Chemical Safety Data Sheet MSDS / SDS

2,3-Dichloronitrobenzene

Revision Date:2026-04-11Revision Number:1

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

Product identifier

  • Product name: 2,3-Dichloronitrobenzene
  • CBnumber: CB5853487
  • CAS: 3209-22-1
  • EINECS Number: 221-717-7
  • Synonyms: 1,2-dichloro-3-nitrobenzene,2,3-Dichloronitrobenzene

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 wordWarning
Precautionary statements
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
Hazard statements
H411 Toxic to aquatic life with long lasting effects
H317 May cause an allergic skin reaction
H302 Harmful if swallowed
H401 Toxic to aquatic life
H373 May cause damage to organs through prolonged or repeated exposure

SECTION 3: Composition/information on ingredients

Substance

  • Product name: 2,3-Dichloronitrobenzene
  • Synonyms: 1,2-dichloro-3-nitrobenzene,2,3-Dichloronitrobenzene
  • CAS: 3209-22-1
  • EC number: 221-717-7
  • MF: C6H3Cl2NO2
  • MW: 192

SECTION 4: First aid measures

If inhaled

Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER or doctor/ physician.

In case of skin contact

Take off all contaminated clothing immediately. Wash off with soap and plenty of water. Call a POISON CENTER or doctor/ physician.

In case of eye contact

Rinse with plenty of water. If easy to do, remove contact lens, if worn. Call a POISON CENTER or doctor/ physician.

If swallowed

Call a POISON CENTER or doctor/ physician. Rinse mouth.

Most important symptoms and

Cyanosis effects, both acute and delayed

SECTION 5: Firefighting measures

Suitable extinguishing media

Dry powder, Foam, Water spray, Carbon dioxide (CO2)

Specific hazards during fire fighting

No information available.

Specific extinguishing methods

Use extinguishing measures that are appropriate to local circumstances and the surrounding environment. Immediately evacuate personnel to safe areas. Remove undamaged containers from fire area if it is safe to do so.

Special protective equipment for fire-fighters

Use personal protective equipment.

NFPA 704

1
0
0
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 0 Normally stable, even under fire exposure conditions, and is not reactive with water (e.g. helium,N2)
SPEC. HAZ.

SECTION 6: Accidental release measures

Personal precautions, protective equipment and emergency procedures

Wear suitable protective equipment. Keep people away from and upwind of spill/leak. Entry to non-involved personnel should be controlled around the leakage area by roping off, etc.

Environmental precautions

Should not be released into the environment.

Methods and materials for containment and cleaning up

Pick up and arrange disposal without creating dust.

SECTION 7: Handling and storage

Handling

Technical measures
Prevent dispersion of dust.
Local/Total ventilation
Ensure adequate ventilation. Handle product only in closed system or provide appropriate exhaust ventilation at machinery. Use a local exhaust ventilation.
Advice on safe handling
Avoid contact with skin, eyes and clothing. Wear personal protective equipment. Wash hands and face thoroughly after handling.
Avoidance of contact
Oxidizing agents, Strong bases, Iron, Zinc, Aluminum

Storage

Conditions for safe storage
Keep container tightly closed. Store in a cool and shaded area. Store locked up.

SECTION 8: Exposure controls/personal protection

Ingredients with workplace control parameters

Contains no substances with occupational exposure limit values.

Engineering measures

Install a closed system or local exhaust.
Also install safety shower and eye bath.

Personal protective equipment

Respiratory protection
Dustproof gas mask
Self-contained breathing apparatus
Eye/face protection
Safety glasses
Safety goggles
Face-shield
Skin and body protection
Impervious protective clothing
Hand protection
Impervious gloves *Use personal protective equipment(PPE) approved under appropriate government standards and follow local and national regulations.

SECTION 9: Physical and chemical properties

Information on basic physicochemical properties

  • Density and/or relative density1.449 g/mL at 25 °C(lit.)
  • Physical statepowder to lump
  • Molecular weight192.00 g/mol
  • Viscosity, kinematicNo data available
  • Viscosity, dynamicNo data available
  • Decomposition temperatureNo data available
  • Autoignition temperature479 °C
  • Partition coefficient: n-octanol/water3.05
  • Solubility in other solventssoluble Solvent: Ether soluble Solvent: Acetone soluble Solvent: Ethanol
  • Water solubility62.4 mg/l insoluble (20 °C)
  • Solubility(ies)66.8mg/l
  • Relative vapor density6.6
  • Vapor pressure0.22 Pa (25 °C)
  • Lower explosion limit / Lower flammability limitNo data available
  • Upper explosion limit / Upper flammability limitNo data available
  • FlammabilityNo data available
  • Evaporation rateNo data available
  • Flash point255 °F
  • Boiling point/boiling range257 °C
  • Melting point/freezing point62 °C
  • pHNo data available
  • Odor ThresholdNo data available
  • OdorNo data available
  • Coloryellow - green
  • Appearancesolid

SECTION 10: Stability and reactivity

Reactivity

No data available

Chemical stability

Stable under normal conditions.

Possibility of hazardous reactions

None under normal processing.

Incompatible materials

Oxidizing agents, Strong bases, Iron, Zinc, Aluminum

Hazardous decomposition products

Carbon monoxide, Carbon dioxide (CO2), Nitrogen oxides (NOx), Hydrogen chloride gas

SECTION 11: Toxicological information

Acute toxicity

Product

Acute oral toxicity

Assessment: The component/mixture is moderately toxic after single ingestion.

Acute dermal toxicity

Assessment: The component/mixture is toxic after single contact with skin.

Components

2,3-Dichloronitrobenzene

Acute oral toxicity

Assessment: The component/mixture is moderately toxic after single ingestion.

Acute dermal toxicity

Assessment: The component/mixture is toxic after single contact with skin.

Skin corrosion/irritation

Product

Result

Skin irritation

Components

2,3-Dichloronitrobenzene

Result

Skin irritation

Serious eye damage/eye irritation

Classified based on available data. For more details, see section 2.

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.

STOT-single exposure

Product

Target Organs

Nervous system

Assessment

Causes damage to organs.

Components

2,3-Dichloronitrobenzene

Target Organs

Nervous system

Assessment

Causes damage to organs.

STOT-repeated exposure

Product

Target Organs

Liver, Blood, Kidney

Assessment

May cause damage to organs through prolonged or repeated exposure.

Components

2,3-Dichloronitrobenzene

Target Organs

Liver, Blood, Kidney

Assessment

May cause damage to organs through prolonged or repeated exposure.

Repeated dose toxicity

Classified based on available data. For more details, see section 2.

Aspiration toxicity

Classified based on available data. For more details, see section 2.

RTECS No.

CZ5240000 (2,3-Dichloronitrobenzene)

SECTION 12: Ecological information

Ecotoxicity

Product:

Ecotoxicology Assessment

Acute aquatic toxicity
Toxic to aquatic life.
Chronic aquatic toxicity
Toxic to aquatic life with long lasting effects.

Components:

2,3-Dichloronitrobenzene:

Ecotoxicology Assessment

Acute aquatic toxicity
Toxic to aquatic life.
Chronic aquatic toxicity
Toxic to aquatic life with long lasting effects.

Persistence and degradability

No data available

Bioaccumulative potential

Components:

2,3-Dichloronitrobenzene:

octanol/water
Partition coefficient: noctanol/water
3.05

Mobility in soil

No data available

Other adverse effects

No data available

SECTION 13: Disposal considerations

Disposal methods

Waste from residues
Disposal in accordance with local and national regulations. Entrust disposal to a licensed waste disposal company.
Contaminated packaging
Disposal in accordance with local and national regulations. Before disposal of used container, remove contents completely.

SECTION 14: Transport information

International Regulations

IATA-DGR

UN/ID No.
UN 2811
Proper shipping name
Toxic solid, organic, n.o.s.
Class
6.1
Packing group
III

IMDG-Code

UN number
UN 2811
Proper shipping name
TOXIC SOLID, ORGANIC, N.O.S.
Class
6.1
Packing group
III
EmS Code
F-A, S-A

Domestic regulation

GB 6944/12268

UN number
UN 2811
Proper shipping name
TOXIC SOLID, ORGANIC, N.O.S.
Class
6.1
Packing group
III

SECTION 15: Regulatory information

Regulations on Safety Management of Hazardous Chemicals

Catalogue of Hazardous Chemicals
Listed

The ingredients of this product are reported in the following inventories

CH BAGREG
On the inventory, or in compliance with the inventory
TSCA
All substances listed as active on the TSCA inventory
AICS
Not in compliance with the inventory
DSL
None of the components of this product are on the Canadian DSL, but all are on the NDSL 2,3-Dichloronitrobenzene
ENCS
On the inventory, or in compliance with the inventory
ISHL
On the inventory, or in compliance with the inventory
KECI
Not in compliance with the inventory
PICCS
On the inventory, or in compliance with the inventory
IECSC
On the inventory, or in compliance with the inventory
NZIoC
Not in compliance with the inventory

SECTION 16: Other information

Abbreviations and acronyms

CAS: Chemical Abstracts Service
TWA: Time-Weighted Average
STEL: Short-Term Exposure Limit
LD50: Lethal Dose 50%
LC50: Lethal Concentration 50%
EC50: Effective Concentration 50%
PEL: Permissible Exposure Limit
TLV: Threshold Limit Value
IMDG: International Maritime Dangerous Goods Code
IATA: International Air Transport Association
ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
DOT: US Department of Transportation
NFPA: National Fire Protection Association
NIOSH: National Institute for Occupational Safety and Health
OSHA: Occupational Safety and Health Administration
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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