Chemical Safety Data Sheet MSDS / SDS
POTASSIUM HEXAHYDROXOANTIMONATE(V)
Revision Date:2026-04-25Revision Number:1
Product identifier
- Product name: POTASSIUM HEXAHYDROXOANTIMONATE(V)
- CBnumber: CB1366004
- CAS: 12208-13-8
- EINECS Number: 235-387-7
- Synonyms: Potassium pyroantimonate,POTASSIUM ANTIMONATE
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 wordWarning
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P273 Avoid release to the environment.
P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
Hazard statements
H411 Toxic to aquatic life with long lasting effects
Substance
- Product name: POTASSIUM HEXAHYDROXOANTIMONATE(V)
- Synonyms: Potassium pyroantimonate,POTASSIUM ANTIMONATE
- CAS: 12208-13-8
- EC number: 235-387-7
- MF: KO6Sb
- MW: 256.85
General advice
Show this safety data sheet to the doctor in attendance.
If inhaled
After inhalation: fresh air. If breathing stops: mouthto-mouth breathing or artificial respiration. Oxygen if necessary. Immediately call in physician.
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: immediately make victim drink water (two glasses at most). Consult a physician.
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
Potassium oxides Antimony 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
2
0
0
| HEALTH | 2 | Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury (e.g. diethyl ether, ammonium phosphate, iodine) | |
| 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 | 0 | Normally stable, even under fire exposure conditions, and is not reactive with water (e.g. helium,N2) | |
| SPEC. HAZ. |
Personal precautions, protective equipment and emergency procedures
Advice for non-emergency personnel: Avoid inhalation of dusts. Avoid substance contact. Ensure adequate ventilation. 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
Advice on safe handlingWork under hood. Do not inhale substance/mixture.
Storage
Further information on storage conditionsTightly closed. Dry. Keep in a well-ventilated place. Keep locked up or in an area accessible only to qualified or authorised persons.
Storage class
6.1C, Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
Recommended storage temperature
Recommended storage temperature see product label.
Ingredients with workplace control parameters
Biological occupational exposure limits
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 P2
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
Skin and body protection
Safety glasses
protective clothing
Hand protection
Material
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. Preventive skin protection recommended. Wash hands after working with substance.
Information on basic physicochemical properties
- Solubility20g/l
- Physical statePowder
- Particle characteristics Particle sizeNo data available
- Molecular weight262.90 g/mol
- Oxidizing propertiesNo data available
- Explosive propertiesNo data available
- Flow timeNo data available
- Viscosity, kinematicNo data available
- Viscosity, dynamicNo data available
- Decomposition temperatureNo data available
- Autoignition temperatureNo data available
- Partition coefficient: n-octanol/waterNo data available
- Water solubilitySoluble in water and glycerine. Insoluble in ethanol.
- Density3.27[at 20℃]
- Relative density3.27[at 20℃]
- Relative vapor densityNo data available
- Vapor pressureNo data available
- Lower explosion limit / Lower flammability limitNo data available
- Upper explosion limit / Upper flammability limitNo data available
- Burning rateNo data available
- Evaporation rateNo data available
- Flash pointNot applicable
- Boiling point/boiling rangeNo data available
- Melting point/ rangeNo data available
- pH7.5-9.0 (20g/l, H2O, 20℃)
- Odor ThresholdNo data available
- OdorNo data available
- Colorwhite
- Appearancesolid
Reactivity
No data available
Chemical stability
The product is chemically stable under standard ambient conditions (room temperature) .
Possibility of hazardous reactions
Violent reactions possible with: Acids
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 toxicityOral: No data available
LD50 Oral - 500.1 mg/kg
LC50 Inhalation - 4 h - 1.5 mg/l - dust/mist
Dermal: No data available
Skin corrosion/irritation
LD50 Oral - 500.1 mg/kg
LC50 Inhalation - 4 h - 1.5 mg/l - dust/mist
Dermal: No data available
Remarks: No data available
Serious eye damage/eye irritation
Remarks: No data available
Respiratory or skin sensitization
Classified based on available data. For more details, see section 2
Germ cell mutagenicity
Classified based on available data. For more details, see section 2
Carcinogenicity
Classified based on available data. For more details, see section 2
Reproductive toxicity
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
To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughly investigated.
Ecotoxicity
Components:
potassium hexahydroxoantimonate(V):
Toxicity to fishLC50 : 2.0 mg/l Exposure time: 96.0 h
Toxicity to daphnia and other aquatic invertebrates
LC50 (Daphnia magna (Water flea)): > 164 mg/l Exposure time: 24 h
Persistence and degradability
Components:
potassium hexahydroxoantimonate(V):
BiodegradabilityRemarks: No data available
Bioaccumulative potential
Components:
potassium hexahydroxoantimonate(V):
BioaccumulationRemarks: No data available
Mobility in soil
Components:
potassium hexahydroxoantimonate(V):
Stability in soilRemarks: No data available
Other adverse effects
No data available
Disposal methods
Waste from residuesOffer surplus and non-recyclable solutions to a licensed disposal company.
International Regulations
IATA-DGR
UN/ID No. : UN 1549
Proper shipping name : Antimony compound, inorganic, solid, n.o.s.
(potassium hexahydroxoantimonate(V))
Class : 6.1
Packing group : III
Labels : Division 6.1 - Toxic substances
Packing instruction (cargo aircraft) : 677
Packing instruction (passenger aircraft) : 670
Proper shipping name : Antimony compound, inorganic, solid, n.o.s.
(potassium hexahydroxoantimonate(V))
Class : 6.1
Packing group : III
Labels : Division 6.1 - Toxic substances
Packing instruction (cargo aircraft) : 677
Packing instruction (passenger aircraft) : 670
IMDG-Code
UN number : UN 1549
Proper shipping name : ANTIMONY COMPOUND, INORGANIC, SOLID, N.O.S.
(potassium hexahydroxoantimonate(V))
Class : 6.1
Packing group : III
Labels : 6.1
EmS Code : F-A, S-A
Marine pollutant : yes
Proper shipping name : ANTIMONY COMPOUND, INORGANIC, SOLID, N.O.S.
(potassium hexahydroxoantimonate(V))
Class : 6.1
Packing group : III
Labels : 6.1
EmS Code : F-A, S-A
Marine pollutant : yes
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 : UN 1549
Proper shipping name : ANTIMONY COMPOUND, INORGANIC, SOLID, N.O.S.
(potassium hexahydroxoantimonate(V))
Class : 6.1
Packing group : III
Labels : 6.1
Environmentally hazardous : no
Proper shipping name : ANTIMONY COMPOUND, INORGANIC, SOLID, N.O.S.
(potassium hexahydroxoantimonate(V))
Class : 6.1
Packing group : III
Labels : 6.1
Environmentally hazardous : no
Special precautions for user
The transport classification(s) provided herein are for informational purposes only, and solely based upon the properties of the unpackaged material as it is described within this Safety Data Sheet. Transportation classifications may vary by mode of transportation, package sizes, and variations in regional or country regulations.
National regulatory information
Law on the Prevention and Control of Occupational Diseases
Regulations on Safety Management of Hazardous Chemicals
Catalogue of Hazardous Chemicals
Hazardous Chemicals for Priority Management
Not applicable under SAWS
Catalogue of Specially Controlled Hazardous
Not listed Chemicals
List of Explosive Precursors
Not listed
Regulations on Labour Protection in Workplaces where Toxic Substances are Used
Catalogue of Highly Toxic Chemicals
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
ACGIHUSA. ACGIH Threshold Limit Values (TLV)
CN BEI
China. Biological Occupational Exposure Indices
GBZ 2.1-2007
Occupational exposure limits for hazardous agents in the workplace - Chemical hazardous agents.
ACGIH / TWA
8-hour, time-weighted average
GBZ 2.1-2007 / PC-TWA AIIC - Australian Invent Transport by Land of Bra bw - Body weight; CMR Standard of the German List (Canada); ECx - Conc associated with x% respo Chemical Substances (Jap response; ERG - Emerge GLP - Good Laboratory P cer; IATA - International Construction and Equipm Half maximal inhibitory c tion; IECSC - Inventory o tional Maritime Dangerou Industrial Safety and H Standardisation; KECI - K tration to 50 % of a test (Median Lethal Dose); MA lution from Ships; MERC of Dangerous Goods; n.o. - No Observed (Adverse) fect Level; NOELR - No Norm; NTP - National Toxi icals; OECD - Organisatio fice of Chemical Safety a and Toxic substance; PIC stances; (Q)SAR - (Quant (EC) No 1907/2006 of th Registration, Evaluation, Accelerating Decompositi Chemical Substance Inve Thailand Existing Chemica States); UN - United Nat Transport of Dangerous WHMIS - Workplace Hazar
Permissible concentration - time weighted average ry of Industrial Chemicals
ANTT - National Agency for il
ASTM - American Society for the Testing of Materials
- Carcinogen, Mutagen or Reproductive Toxicant
DIN nstitute for Standardisation
DSL - Domestic Substances ntration associated with x% response
ELx - Loading rate se
EmS - Emergency Schedule
ENCS - Existing and New n)
ErCx - Concentration associated with x% growth rate cy Response Guide
GHS - Globally Harmonised System
actice
IARC - International Agency for Research on Canir Transport Association
IBC - International Code for the nt of Ships carrying Dangerous Chemicals in Bulk
IC50 ncentration
ICAO - International Civil Aviation Organiza- Existing Chemical Substances in China
IMDG - Interna- Goods
IMO - International Maritime Organisation
ISHL alth Law (Japan)
ISO - International Organisation for rea Existing Chemicals Inventory
LC50 - Lethal Concenopulation
LD50 - Lethal Dose to 50% of a test population POL - International Convention for the Prevention of Pol- SUR - The Agreement for the Facilitation of the Transport . - Not Otherwise Specified
Nch - Chilean Norm
NO(A)EC ffect Concentration
NO(A)EL - No Observed (Adverse) Efbservable Effect Loading Rate
NOM - Official Mexican ology Program
NZIoC - New Zealand Inventory of Chemfor Economic Co-operation and Development
OPPTS - Ofd Pollution Prevention
PBT - Persistent, Bioaccumulative S - Philippines Inventory of Chemicals and Chemical Subtative) Structure Activity Relationship
REACH - Regulation European Parliament and of the Council concerning the uthorisation and Restriction of Chemicals
SADT - Selfn Temperature
SDS - Safety Data Sheet
TCSI - Taiwan tory
TDG - Transportation of Dangerous Goods
TECI s Inventory
TSCA - Toxic Substances Control Act (United ons
UNRTDG - United Nations Recommendations on the oods
vPvB - Very Persistent and Very Bioaccumulative
ous Materials Information System
ANTT - National Agency for il
ASTM - American Society for the Testing of Materials
- Carcinogen, Mutagen or Reproductive Toxicant
DIN nstitute for Standardisation
DSL - Domestic Substances ntration associated with x% response
ELx - Loading rate se
EmS - Emergency Schedule
ENCS - Existing and New n)
ErCx - Concentration associated with x% growth rate cy Response Guide
GHS - Globally Harmonised System
actice
IARC - International Agency for Research on Canir Transport Association
IBC - International Code for the nt of Ships carrying Dangerous Chemicals in Bulk
IC50 ncentration
ICAO - International Civil Aviation Organiza- Existing Chemical Substances in China
IMDG - Interna- Goods
IMO - International Maritime Organisation
ISHL alth Law (Japan)
ISO - International Organisation for rea Existing Chemicals Inventory
LC50 - Lethal Concenopulation
LD50 - Lethal Dose to 50% of a test population POL - International Convention for the Prevention of Pol- SUR - The Agreement for the Facilitation of the Transport . - Not Otherwise Specified
Nch - Chilean Norm
NO(A)EC ffect Concentration
NO(A)EL - No Observed (Adverse) Efbservable Effect Loading Rate
NOM - Official Mexican ology Program
NZIoC - New Zealand Inventory of Chemfor Economic Co-operation and Development
OPPTS - Ofd Pollution Prevention
PBT - Persistent, Bioaccumulative S - Philippines Inventory of Chemicals and Chemical Subtative) Structure Activity Relationship
REACH - Regulation European Parliament and of the Council concerning the uthorisation and Restriction of Chemicals
SADT - Selfn Temperature
SDS - Safety Data Sheet
TCSI - Taiwan tory
TDG - Transportation of Dangerous Goods
TECI s Inventory
TSCA - Toxic Substances Control Act (United ons
UNRTDG - United Nations Recommendations on the oods
vPvB - Very Persistent and Very Bioaccumulative
ous 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.