Chemical Safety Data Sheet MSDS / SDS

2,3,4,6-TETRACHLOROPHENOL

Revision Date:2026-03-21Revision Number:1

SECTION 1: Identification of the substance/mixture and of the company/undertaking

Product identifier

  • Product name: 2,3,4,6-TETRACHLOROPHENOL
  • CBnumber: CB4699390
  • CAS: 58-90-2
  • EINECS Number: 200-402-8
  • Synonyms: NSC 2428;dowicide6

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

SECTION 2: Hazards identification

GHS Label elements, including precautionary statements

  • Symbol(GHS)
  • Signal wordDanger
Precautionary statements
P264 Wash skin thouroughly after handling.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
Hazard statements
H315 Causes skin irritation
H319 Causes serious eye irritation
H410 Very toxic to aquatic life with long lasting effects

SECTION 3: Composition/information on ingredients

Substance

  • Product name: 2,3,4,6-TETRACHLOROPHENOL
  • Synonyms: NSC 2428;dowicide6
  • CAS: 58-90-2
  • EC number: 200-402-8
  • MF: C6H2Cl4O
  • MW: 231.89

SECTION 4: First aid measures

General advice

First aiders need to protect themselves. Show this safety data sheet to the doctor in attendance.

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. Call a physician immediately.

In case of eye contact

After eye contact: rinse out with plenty of water. Call in ophthalmologist. Remove contact lenses.

If swallowed

If swallowed: give water to drink (two glasses at most). Seek medical advice immediately. In exceptional cases only, if medical care is not available within one hour, induce vomiting (only in persons who are wide awake and fully conscious), administer activated charcoal (20 - 40 g in a 10% slurry) and consult a doctor as quickly as possible.

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

SECTION 5: Firefighting measures

Suitable extinguishing media

Water Foam Carbon dioxide (CO2) Dry powder

Unsuitable extinguishing media

For this substance/mixture no limitations of extinguishing agents are given.

Specific hazards during fire fighting

Combustible. Development of hazardous combustion gases or va- pours possible in the event of fire.

Hazardous combustion products

Carbon oxides Hydrogen chloride gas

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

Stay in danger area only with self-contained breathing apparatus. Prevent skin contact by keeping a safe distance or by wearing suitable protective clothing.

SECTION 6: Accidental release measures

Personal precautions, protective equipment and emergency procedures

Advice for non-emergency personnel: Avoid generation and inhalation of dusts in all circumstances. 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 carefully. Dispose of properly. Clean up affected area. Avoid generation of dusts.

SECTION 7: Handling and storage

Handling

Avoidance of contact
Strong oxidizing agents

Storage

Further information on storage conditions
Tightly 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.

SECTION 8: Exposure controls/personal protection

Ingredients with workplace control parameters

Contains no substances with occupational exposure limit values.

Engineering measures

No data available

Personal protective equipment

Respiratory protection
required 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
Filter type P3
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
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
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
Immediately change contaminated clothing. Apply preventive skin protection. Wash hands and face after working with substance.

SECTION 9: Physical and chemical properties

Information on basic physicochemical properties

  • SolubilityChloroform (Slightly), DMSO (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
  • Potential bioaccumulation
  • Appearancesolid
  • ColorNo data available
  • OdorNo data available
  • Odor ThresholdNo data available
  • pHNo data available
  • Melting point/ range70 °C
  • Boiling point/boiling range64 °C (30.66 hPa)
  • Flash point11 °C
  • Evaporation rateNo data available
  • Flammability (solid, gas)No data available
  • Flammability (liquids)No data available
  • Burning rateNo data available
  • Upper explosion limit / Upper flammability limitNo data available
  • Lower explosion limit / Lower flammability limitNo data available
  • Vapor pressure7 hPa (130.3 °C)
  • Relative vapor densityNo data available
  • Relative density1,839 g/cm3
  • Density1.839 g/cm3 (25 °C)
  • Water solubility183.2mg/L(25 ºC)
  • Partition coefficient: n-octanol/waterlog Pow: 4.45
  • Autoignition temperatureNo data available
  • Decomposition temperatureNo data available
  • Viscosity, dynamicNo data available
  • Viscosity, kinematicNo data available
  • Flow timeNo data available
  • Explosive propertiesNo data available
  • Oxidizing propertiesNo data available
  • Molecular weight231.89 g/mol
  • Particle characteristics Particle sizeNo data available

SECTION 10: Stability and reactivity

Reactivity

The following applies in general to flammable organic substances and mixtures: in correspondingly fine distribution, when whirled up a dust explosion potential may generally be assumed.

Chemical stability

The product is chemically stable under standard ambient conditions (room temperature) .

Possibility of hazardous reactions

No data available

Conditions to avoid

no information available

Incompatible materials

Strong oxidizing agents

Hazardous decomposition products

In the event of fire: see section 5

SECTION 11: Toxicological information

11.1 Information on toxicological effects

Acute toxicity
LD50 Oral - Rat - 140 mg/kg
Remarks: (RTECS)
Inhalation: No data available
LD50 Dermal - Rabbit - 250 mg/kg
Remarks: (RTECS)
Skin corrosion/irritation
Remarks: Causes skin irritation.
(Regulation (EC) No 1272/2008, Annex VI)
Serious eye damage/eye irritation
Remarks: Causes serious eye irritation.
(Regulation (EC) No 1272/2008, Annex VI)
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
Test Type: Hamster
Test system: Lungs
Remarks: Cytogenetic analysis
Test Type: Hamster
Test system: Lungs
Remarks: Mutation in mammalian somatic cells.
Carcinogenicity
This product is or contains a component that has been reported to be possibly car- cinogenic based on its IARC, ACGIH, NTP, or EPA classification.
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

RTECS: SM9275000
Depending on the intensity and duration of exposure, effects may vary from mild irritation to severe destruction of tissue., Damage to the eyes., To the best of our knowledge, the chemical, physical, and toxicological properties have not been thor- oughly investigated.

SECTION 12: Ecological information

Ecotoxicity

Components:

2,3,4,6-Tetrachlorophenol:

Toxicity to fish
LC50 (Oncorhynchus mykiss (rainbow trout)): 0.29 - 0.38 mg/l Exposure time: 96.0 h Remarks: (ECOTOX Database)
Toxicity to daphnia and other aquatic invertebrates
LC50 (Daphnia magna (Water flea)): 0.09 mg/l Exposure time: 48 h Remarks: (ECOTOX Database)
M-Factor (Acute aquatic toxicity)
10
Toxicity to daphnia and other aquatic invertebrates (Chronic toxicity)
NOEC (Daphnia magna (Water flea)): 0.25 mg/l Exposure time: 21 d Test Type: mortality Remarks: (ECOTOX Database)
M-Factor (Chronic aquatic toxicity)
1

Persistence and degradability

No data available

Bioaccumulative potential

Components:

2,3,4,6-Tetrachlorophenol:

Bioaccumulation
Species: Oncorhynchus gorbuscha Bioconcentration factor (BCF): 588 Concentration: 1.30 µg/l
Partition coefficient: noctanol/water
log Pow: 4.45 Remarks: Potential bioaccumulation

Mobility in soil

Components:

2,3,4,6-Tetrachlorophenol:

Stability in soil
Remarks: No data available

Other adverse effects

No data available

SECTION 13: Disposal considerations

Disposal methods

Waste from residues
Offer surplus and non-recyclable solutions to a licensed disposal company.

SECTION 14: Transport information

International Regulations

IATA-DGR

UN/ID No. : UN 2020
Proper shipping name : Chlorophenols, solid
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 2020
Proper shipping name : CHLOROPHENOLS, SOLID
Class : 6.1
Packing group : III
Labels : 6.1
EmS Code : F-A, S-A
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 : UN 2020
Proper shipping name : CHLOROPHENOLS, SOLID
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.

SECTION 15: Regulatory information

National regulatory information

Regulations on Safety Management of Hazardous Chemicals

Catalogue of Hazardous Chemicals

Identification of Major Hazard Installations for Hazardous Chemicals (GB 18218)

Not listed

Hazardous Chemicals for Priority Management

Not listed under SAWS

Regulations on Labour Protection in Workplaces where Toxic Substances are Used

Catalogue of Highly Toxic Chemicals

Not 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 listed

Regulation on the Administration of Precursor Chemicals

Catalogue and Classification of Precursor Chemicals

Not listed

SECTION 16: Other information

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
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.

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