Chemical Safety Data Sheet MSDS / SDS
Magnesium nitrate hexahydrate
Revision Date:2026-03-21Revision Number:1
Product identifier
- Product name: Magnesium nitrate hexahydrate
- CBnumber: CB6853060
- CAS: 13446-18-9
- EINECS Number: 603-823-9
- Synonyms: Magnesium nitrate hexahydrate
Relevant identified uses of the substance or mixture and uses advised against
- Relevant identified uses: For R&D use only. Not for medicinal, household or other use.
- Uses advised against: none
Company Identification
- Company: Chemicalbook
- Address: Building 1, Huihuang International, Shangdi 10th Street, Haidian District, Beijing
- Telephone: 010-86108875
GHS Label elements, including precautionary statements
-
Symbol(GHS)
- Signal wordDanger
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P220 Keep/Store away from clothing/…/combustible materials.
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
Hazard statements
H272 May intensify fire; oxidizer
H290 May be corrosive to metals
H314 Causes severe skin burns and eye damage
H332 Harmful if inhaled
Substance
- Product name: Magnesium nitrate hexahydrate
- Synonyms: Magnesium nitrate hexahydrate
- CAS: 13446-18-9
- EC number: 603-823-9
- MF: H12MgN2O12
- MW: 256.41
If inhaled
After inhalation: fresh air.
In case of skin contact
In case of skin contact: Take off immediately all contaminated clothing. Rinse skin with water/ shower.
In case of eye contact
After eye contact: rinse out with plenty of water. Remove contact lenses.
If swallowed
After swallowing: make victim drink water (two glasses at most). Consult doctor if feeling unwell.
Most important symptoms and effects, both acute and delayed
The most important known symptoms and effects are described in the labelling (see section 2) and/or in section 11
Protection of first-aiders
For personal protection see section 8.
Notes to physician
No data available
Suitable extinguishing media
Use extinguishing measures that are appropriate to local circumstances and the surrounding environment.
Unsuitable extinguishing media
For this substance/mixture no limitations of extinguishing agents are given.
Specific hazards during fire fighting
Not combustible. Ambient fire may liberate hazardous vapours.
Hazardous combustion products
Nitrogen oxides (NOx) Magnesium oxide
Specific extinguishing methods
Suppress (knock down) gases/vapours/mists with a water spray jet. Prevent fire extinguishing water from contaminating surface water or the ground water system.
Special protective equipment for fire-fighters
In the event of fire, wear self-contained breathing apparatus.
NFPA 704
1
0
1
OX
| HEALTH | 1 | Exposure would cause irritation with only minor residual injury (e.g. acetone, sodium bromate, potassium chloride) | |
| FIRE | 0 | Materials that will not burn under typical fire conditions, including intrinsically noncombustible materials such as concrete, stone, and sand. Materials that will not burn in air when exposed to a temperature of 820 °C (1,500 °F) for a period of 5 minutes.(e.g. Carbon tetrachloride) | |
| REACT | 1 | Normally stable, but can become unstable at elevated temperatures and pressures (e.g. propene) | |
| SPEC. HAZ. | OX |
Personal precautions, protective equipment and emergency procedures
Advice for non-emergency personnel: Avoid inhalation of dusts. Evacuate the danger area, observe emergency procedures, consult an expert. Advice for emergency responders: For personal protection see section 8.
Environmental precautions
Do not let product enter drains.
Methods and materials for containment and cleaning up
Cover drains. Collect, bind, and pump off spills. Observe possible material restrictions (see sections 7 and 10). Take up dry. Dispose of properly. Clean up affected area. Avoid generation of dusts.
Handling
For precautions see section 2.2.
Storage
Further information on storage conditionsTightly closed. Dry.
Storage class
13, Non Combustible Solids
Recommended storage temperature
Recommended storage temperature see product label.
Further information on storage stability
Handle and store under inert gas.
Packaging material
Suitable material: Amber HR-HDPE Bottle/Jar
Ingredients with workplace control parameters
Contains no substances with occupational exposure limit values.
Engineering measures
No data available
Personal protective equipment
Respiratory protectionrequired when dusts are generated.
Our recommendations on filtering respiratory protection are based on the following standards: DIN EN 143, DIN 14387 and other accompanying standards relating to the used respiratory protection system.
Recommended Filter type
Our recommendations on filtering respiratory protection are based on the following standards: DIN EN 143, DIN 14387 and other accompanying standards relating to the used respiratory protection system.
Filter type P1
The entrepeneur has to ensure that maintenance, cleaning and testing of respiratory protective devices are carried out according to the instructions of the producer. These measures have to be properly documented.
Eye/face protection
The entrepeneur has to ensure that maintenance, cleaning and testing of respiratory protective devices are carried out according to the instructions of the producer. These measures have to be properly documented.
Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
Safety glasses
Hand protection
Material
Safety glasses
Nitrile rubber
Break through time
480 min
Glove thickness
0.11 mm
Protective index
Full contact
Manufacturer
KCL 741 L
Material
Nitrile rubber
Break through time
480 min
Glove thickness
0.11 mm
Protective index
Splash contact
Manufacturer
KCL 741 L
Remarks
This recommendation applies only to the product stated in the safety data sheet, supplied by us and for the designated use. When dissolving in or mixing with other substances and under conditions deviating from those stated in EN 16523-1 please contact the supplier of CE-approved gloves (e.g. KCL GmbH, D- 36124 Eichenzell, Internet: www.kcl.de).
Hygiene measures
Change contaminated clothing. Wash hands after working with substance.
Information on basic physicochemical properties
- Absorptioncut-off at 333nm in H2O at 1M
- SolubilityH2O: 1 M at 20 °C, clear, colorless
- Physical stateturnings
- Particle characteristics Particle sizeNo data available
- Molecular weight256.41 g/mol
- Oxidizing propertiesnone
- Explosive propertiesNot classified as explosive.
- Flow timeNo data available
- Viscosity, kinematicNo data available
- Viscosity, dynamicNo data available
- Decomposition temperatureNo data available
- Autoignition temperatureNot applicable
- Partition coefficient: n-octanol/waterNo data available
- Water solubility420 g/l (20 °C)
- Density1.636 g/cm3
- Relative density1.63
- Relative vapor density6 (vs air)
- Vapor pressure1 mm Hg ( 621 °C)
- Lower explosion limit / Lower flammability limitNo data available
- Upper explosion limit / Upper flammability limitNo data available
- Burning rateNo data available
- Flammability (liquids)No data available
- Flammability (solid, gas)The product is not flammable.
- Evaporation rateNo data available
- Flash point−26 °F
- Boiling point/boiling range330 °C
Decomposition: yes - Melting point/ range89 °C
Method: dec. - pH5 - 7 (20 °C)
Concentration: 50 g/l - Odor ThresholdNo data available
- Odorodourless
- Colorwhite
- Appearancesolid
Reactivity
No data available
Chemical stability
The product is chemically stable under standard ambient conditions (room temperature) .
Possibility of hazardous reactions
Risk of explosion with: Esters Risk of ignition or formation of inflammable gases or vapours with: organic combustible substances oxidisable substances Strong acids Powdered metals phosphorus Exothermic reaction with: Dimethylformamide Reducing agents
Conditions to avoid
no information available
Incompatible materials
No data available
Hazardous decomposition products
In the event of fire: see section 5
11.1 Information on toxicological effects
Acute toxicityLD50 Oral - Rat - female - > 2,000 mg/kg (OECD Test Guideline 423)
Inhalation: No data available
LD50 Dermal - Rat - male and female - > 5,000 mg/kg (OECD Test Guideline 402)
Remarks: The value is given in analogy to the following substances: potassium ni- trate
Skin corrosion/irritation
Inhalation: No data available
LD50 Dermal - Rat - male and female - > 5,000 mg/kg (OECD Test Guideline 402)
Remarks: The value is given in analogy to the following substances: potassium ni- trate
Skin - Rabbit
Result: No skin irritation - 4 h (OECD Test Guideline 404)
Remarks: The value is given in analogy to the following substances: Ammonium ni- trate
Serious eye damage/eye irritation
Result: No skin irritation - 4 h (OECD Test Guideline 404)
Remarks: The value is given in analogy to the following substances: Ammonium ni- trate
Eyes - Rabbit
Result: No eye irritation (OECD Test Guideline 405)
Respiratory or skin sensitization
Result: No eye irritation (OECD Test Guideline 405)
Local lymph node assay (LLNA) - Mouse
Result: negative (OECD Test Guideline 429)
Germ cell mutagenicity
Result: negative (OECD Test Guideline 429)
Test Type: Ames test
Test system: Escherichia coli/Salmonella typhimurium
Metabolic activation: with and without metabolic activation
Method: OECD Test Guideline 471
Result: negative
Test Type: In vitro mammalian cell gene mutation test
Test system: mouse lymphoma cells
Metabolic activation: with and without metabolic activation
Method: OECD Test Guideline 476
Result: negative
Remarks: The value is given in analogy to the following substances: potassium ni- trateTest Type: Chromosome aberration test in vitro
Test system: other mammalian peripheral blood lymphocytes
Metabolic activation: with and without metabolic activation
Method: OECD Test Guideline 473
Result: negative
Remarks: The value is given in analogy to the following substances: sodium ni- trateCarcinogenicity
No data available
Reproductive toxicity
Test system: Escherichia coli/Salmonella typhimurium
Metabolic activation: with and without metabolic activation
Method: OECD Test Guideline 471
Result: negative
Test Type: In vitro mammalian cell gene mutation test
Test system: mouse lymphoma cells
Metabolic activation: with and without metabolic activation
Method: OECD Test Guideline 476
Result: negative
Remarks: The value is given in analogy to the following substances: potassium ni- trateTest Type: Chromosome aberration test in vitro
Test system: other mammalian peripheral blood lymphocytes
Metabolic activation: with and without metabolic activation
Method: OECD Test Guideline 473
Result: negative
Remarks: The value is given in analogy to the following substances: sodium ni- trateCarcinogenicity
No data available
Classified based on available data. For more details, see section 2
Specific target organ toxicity - single exposure
Classified based on available data. For more details, see section 2
Specific target organ toxicity - repeated exposure
Classified based on available data. For more details, see section 2
Aspiration hazard
Classified based on available data. For more details, see section 2
11.2 Additional Information
RTECS: OM3756000
Absorption into the body leads to the formation of methemoglobin which in suffi- cient concentration causes cyanosis. Onset may be delayed 2 to 4 hours or longer.,
To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughly investigated., Prolonged or repeated inhalation may cause:, May be harmful., Local irritation, Effects due to ingestion may include:,
Nausea, Vomiting, Exposure to large amounts can cause:, tiredness, Methaemo- globinemia, Headache, cardiac dysrythmias, drop in blood pressure, Spasmic reac- tions, May cause cyanosis.
Absorption into the body leads to the formation of methemoglobin which in suffi- cient concentration causes cyanosis. Onset may be delayed 2 to 4 hours or longer.,
To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughly investigated., Prolonged or repeated inhalation may cause:, May be harmful., Local irritation, Effects due to ingestion may include:,
Nausea, Vomiting, Exposure to large amounts can cause:, tiredness, Methaemo- globinemia, Headache, cardiac dysrythmias, drop in blood pressure, Spasmic reac- tions, May cause cyanosis.
Ecotoxicity
Components:
Magnesium nitrate hexahydrate:
Toxicity to fishLC50 (Oncorhynchus mykiss (rainbow trout)): > 100 mg/l End point: mortality Exposure time: 96 h Test Type: static test Analytical monitoring: yes Method: OECD Test Guideline 203 GLP: yes Remarks: (in analogy to similar products)
Toxicity to daphnia and other aquatic invertebrates
EC50 (Daphnia magna (Water flea)): 490 mg/l Exposure time: 48 h Remarks: (ECHA) The value is given in analogy to the following substances: The value is given in analogy to the following substances: potassium nitrate
Toxicity to algae/aquatic plants
ErC50 (diatoms): > 1,700 mg/l Exposure time: 10 Days Test Type: static test Analytical monitoring: yes Remarks: (ECHA) The value is given in analogy to the following substances: The value is given in analogy to the following substances: potassium nitrate
Toxicity to microorganisms
EC50 (activated sludge): > 1,000 mg/l Exposure time: 3 h Method: OECD Test Guideline 209 GLP: yes Remarks: The value is given in analogy to the following substances: The value is given in analogy to the following substances: sodium nitrate Remarks: (ECHA)
Persistence and degradability
Components:
Magnesium nitrate hexahydrate:
BiodegradabilityRemarks: No data available
Bioaccumulative potential
No data available
Mobility in soil
No data available
Other adverse effects
Components:
Magnesium nitrate hexahydrate:
Additional ecological informationNo data available
Disposal methods
Waste from residuesOffer surplus and non-recyclable solutions to a licensed disposal company.
International Regulations
IATA-DGR
Not regulated as a dangerous good
UN/ID No. : Not applicable
Proper shipping name : Not applicable
Class : Not applicable
Subsidiary risk : Not applicable
Packing group : Not applicable
Labels : Not applicable
Packing instruction (cargo aircraft) : Not applicable
Packing instruction (passenger aircraft) : Not applicable
UN/ID No. : Not applicable
Proper shipping name : Not applicable
Class : Not applicable
Subsidiary risk : Not applicable
Packing group : Not applicable
Labels : Not applicable
Packing instruction (cargo aircraft) : Not applicable
Packing instruction (passenger aircraft) : Not applicable
IMDG-Code
Not regulated as a dangerous good
UN number : Not applicable
Proper shipping name : Not applicable
Class : Not applicable
Subsidiary risk : Not applicable
Packing group : Not applicable
Labels : Not applicable
EmS Code : Not applicable
Marine pollutant : no
UN number : Not applicable
Proper shipping name : Not applicable
Class : Not applicable
Subsidiary risk : Not applicable
Packing group : Not applicable
Labels : Not applicable
EmS Code : Not applicable
Marine pollutant : no
Transport in bulk according to Annex II of MARPOL 73/78 and the IBC Code
Not applicable for product as supplied.
National Regulations
JT/T 617
UN number : Not applicable
Proper shipping name : Not applicable
Class : Not applicable
Subsidiary risk : Not applicable
Packing group : Not applicable
Labels : Not applicable
Environmentally hazardous : no
Proper shipping name : Not applicable
Class : Not applicable
Subsidiary risk : Not applicable
Packing group : Not applicable
Labels : Not applicable
Environmentally hazardous : no
Special precautions for user
Remarks : Not classified as dangerous in the meaning of transport regulations.
National regulatory information
Regulations on Safety Management of Hazardous Chemicals
Catalogue of Hazardous Chemicals
Identification of Major Hazard Installations for Hazardous Chemicals (GB 18218)
No. / Code Chemical name / Category Threshold quantity
W9.2 Oxidising solids and liquids 200 t
Hazardous Chemicals for Priority Management
Not applicable under SAWS
Catalogue of Specially Controlled Hazardous
Not listed Chemicals
List of Explosive Precursors
Listed
Regulation of Environmental Management on the First Import of Chemicals and the Import and Export of Toxic Chemicals
China Severely Restricted Toxic Chemicals for Import and Export
Not applicable
Regulation on the Administration of Precursor Chemicals
Catalogue and Classification of Precursor Chemicals
Not listed
Regulations on the Administration of Controlled Chemicals
List of Controlled Chemicals
Not listed
Regulations of Ozone Depleting Substances Management
List of Controlled Ozone Depleting Substances
Not listed
List of Controlled Ozone Depleting Substances Import and Export
Not listed
Environmental Protection Law
List of Priority Controlled Chemicals
Not listed
List of Key Controlled New Pollutants
Not listed
Full text of other abbreviations
AIIC - Australian Inventory of Industrial Chemicals
ANTT - National Agency forTransport by Land of Brazil
ASTM - American Society for the Testing of Materials
bw - Body weight
CMR - Carcinogen, Mutagen or Reproductive Toxicant
DIN -Standard of the German Institute for Standardisation
DSL - Domestic SubstancesList (Canada)
ECx - Concentration associated with x% response
ELx - Loading rate associated with x% response
EmS - Emergency Schedule
ENCS - Existing and NewChemical Substances (Japan)
ErCx - Concentration associated with x% growth rate response
ERG - Emergency Response Guide
GHS - Globally Harmonised System
GLP - Good Laboratory Practice
IARC - International Agency for Research on Can- cer
IATA - International Air Transport Association
IBC - International Code for theConstruction and Equipment of Ships carrying Dangerous Chemicals in Bulk
IC50 -Half maximal inhibitory concentration
ICAO - International Civil Aviation Organiza- tion
IECSC - Inventory of Existing Chemical Substances in China
IMDG - Interna- tional Maritime Dangerous Goods
IMO - International Maritime Organisation
ISHL -Industrial Safety and Health Law (Japan)
ISO - International Organisation forStandardisation
KECI - Korea Existing Chemicals Inventory
LC50 - Lethal Concen- tration to 50 % of a test population
LD50 - Lethal Dose to 50% of a test population (Median Lethal Dose)
MARPOL - International Convention for the Prevention of Pol- lution from Ships
MERCOSUR - The Agreement for the Facilitation of the Transport of Dangerous Goods
n.o.s. - Not Otherwise Specified
Nch - Chilean Norm
NO(A)EC - No Observed (Adverse) Effect Concentration
NO(A)EL - No Observed (Adverse) Ef- fect Level
NOELR - No Observable Effect Loading Rate
NOM - Official MexicanNorm
NTP - National Toxicology Program
NZIoC - New Zealand Inventory of Chem- icals
OECD - Organisation for Economic Co-operation and Development
OPPTS - Of- fice of Chemical Safety and Pollution Prevention
PBT - Persistent, Bioaccumulative and Toxic substance
PICCS - Philippines Inventory of Chemicals and Chemical Sub- stances
(Q)SAR - (Quantitative) Structure Activity Relationship
REACH - Regulation (EC) No 1907/2006 of the European Parliament and of the Council concerning theRegistration, Evaluation, Authorisation and Restriction of Chemicals
SADT - Self-Accelerating Decomposition Temperature
SDS - Safety Data Sheet
TCSI - TaiwanChemical Substance Inventory
TDG - Transportation of Dangerous Goods
TECI -Thailand Existing Chemicals Inventory
TSCA - Toxic Substances Control Act (UnitedStates)
UN - United Nations
UNRTDG - United Nations Recommendations on theTransport of Dangerous Goods
vPvB - Very Persistent and Very Bioaccumulative
WHMIS - Workplace Hazardous Materials Information System
ANTT - National Agency forTransport by Land of Brazil
ASTM - American Society for the Testing of Materials
bw - Body weight
CMR - Carcinogen, Mutagen or Reproductive Toxicant
DIN -Standard of the German Institute for Standardisation
DSL - Domestic SubstancesList (Canada)
ECx - Concentration associated with x% response
ELx - Loading rate associated with x% response
EmS - Emergency Schedule
ENCS - Existing and NewChemical Substances (Japan)
ErCx - Concentration associated with x% growth rate response
ERG - Emergency Response Guide
GHS - Globally Harmonised System
GLP - Good Laboratory Practice
IARC - International Agency for Research on Can- cer
IATA - International Air Transport Association
IBC - International Code for theConstruction and Equipment of Ships carrying Dangerous Chemicals in Bulk
IC50 -Half maximal inhibitory concentration
ICAO - International Civil Aviation Organiza- tion
IECSC - Inventory of Existing Chemical Substances in China
IMDG - Interna- tional Maritime Dangerous Goods
IMO - International Maritime Organisation
ISHL -Industrial Safety and Health Law (Japan)
ISO - International Organisation forStandardisation
KECI - Korea Existing Chemicals Inventory
LC50 - Lethal Concen- tration to 50 % of a test population
LD50 - Lethal Dose to 50% of a test population (Median Lethal Dose)
MARPOL - International Convention for the Prevention of Pol- lution from Ships
MERCOSUR - The Agreement for the Facilitation of the Transport of Dangerous Goods
n.o.s. - Not Otherwise Specified
Nch - Chilean Norm
NO(A)EC - No Observed (Adverse) Effect Concentration
NO(A)EL - No Observed (Adverse) Ef- fect Level
NOELR - No Observable Effect Loading Rate
NOM - Official MexicanNorm
NTP - National Toxicology Program
NZIoC - New Zealand Inventory of Chem- icals
OECD - Organisation for Economic Co-operation and Development
OPPTS - Of- fice of Chemical Safety and Pollution Prevention
PBT - Persistent, Bioaccumulative and Toxic substance
PICCS - Philippines Inventory of Chemicals and Chemical Sub- stances
(Q)SAR - (Quantitative) Structure Activity Relationship
REACH - Regulation (EC) No 1907/2006 of the European Parliament and of the Council concerning theRegistration, Evaluation, Authorisation and Restriction of Chemicals
SADT - Self-Accelerating Decomposition Temperature
SDS - Safety Data Sheet
TCSI - TaiwanChemical Substance Inventory
TDG - Transportation of Dangerous Goods
TECI -Thailand Existing Chemicals Inventory
TSCA - Toxic Substances Control Act (UnitedStates)
UN - United Nations
UNRTDG - United Nations Recommendations on theTransport of Dangerous Goods
vPvB - Very Persistent and Very Bioaccumulative
WHMIS - Workplace Hazardous Materials Information System
Disclaimer:
The information in this MSDS is only applicable to the specified product, unless otherwise specified, it is not applicable to the mixture of this product and other substances. This MSDS only provides information on the safety of the product for those who have received the appropriate professional training for the user of the product. Users of this MSDS must make independent judgments on the applicability of this SDS. The authors of this MSDS will not be held responsible for any harm caused by the use of this MSDS.