Chemical Safety Data Sheet MSDS / SDS
2-Aminobenzenearsonic acid
Revision Date:2026-05-31Revision Number:1
Product identifier
- Product name: 2-Aminobenzenearsonic acid
- CBnumber: CB7853300
- CAS: 2045-00-3
- EINECS Number: 218-064-5
- Synonyms: 2-aminophenylarsonic acid,O-ARSANILIC ACID
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
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P273 Avoid release to the environment.
P391 Collect spillage. Hazardous to the aquatic environment
P405 Store locked up.
P501 Dispose of contents/container to..…
Hazard statements
H410 Very toxic to aquatic life with long lasting effects
Substance
- Product name: 2-Aminobenzenearsonic acid
- Synonyms: 2-aminophenylarsonic acid,O-ARSANILIC ACID
- CAS: 2045-00-3
- EC number: 218-064-5
- MF: C6H8AsNO3
- MW: 217.05
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. If on skin, rinse well with water. If skin irritation or rash occurs: Get medical advice/ attention.
In case of eye contact
Rinse with plenty of water. If easy to do, remove contact lens, if worn. If eye irritation persists: Get medical advice/ attention.
If swallowed
Immediately call a POISON CENTER or doctor/ physician. Rinse mouth.
Most important symptoms and effects, both acute and delayed
None known.
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
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
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.
Handling
Technical measuresPrevent 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
Storage
Conditions for safe storageKeep container tightly closed. Store in a cool and shaded area. Keep in a well-ventilated place. Store locked up.
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.
Also install safety shower and eye bath.
Personal protective equipment
Respiratory protectionDustproof gas mask
Self-contained breathing apparatus
Eye/face protection
Self-contained breathing apparatus
Safety glasses
Safety goggles
Face-shield
Skin and body protection
Safety goggles
Face-shield
Impervious protective clothing
Hand protection
Impervious gloves *Use personal protective equipment(PPE) approved under appropriate government standards and follow local and national regulations.
Information on basic physicochemical properties
- Physical statesolid
- Density and/or relative density1.79 g/cm3
- Appearancesolid
- Colorwhite - yellow
- OdorNo data available
- Odor ThresholdNo data available
- pHNo data available
- Melting point/freezing point153 °C
- Boiling point/boiling range519.3±52.0 °C(Predicted)
- Flash pointNo data available
- Evaporation rateNo data available
- FlammabilityNo data available
- Upper explosion limit / Upper flammability limitNo data available
- Lower explosion limit / Lower flammability limitNo data available
- Vapor pressureNo data available
- Solubility(ies)1 M NH4OH: soluble50mg/mL, clear to turbid (orange-brown)
- Water solubilityNo data available
- Solubility in other solventssoluble Solvent: Methanol very slightly soluble Solvent: Ether insoluble Solvent: Benzene insoluble Solvent: Acetone insoluble Solvent: Chloroform
- Partition coefficient: n-octanol/waterNo data available
- Autoignition temperatureNo data available
- Decomposition temperatureNo data available
- Viscosity, dynamicNo data available
- Viscosity, kinematicNo data available
- Molecular weight217.06 g/mol
Reactivity
No data available
Chemical stability
Stable under normal conditions.
Possibility of hazardous reactions
None under normal processing.
Incompatible materials
Oxidizing agents
Hazardous decomposition products
Carbon monoxide, Carbon dioxide (CO2), Nitrogen oxides (NOx), Metal oxides
Acute toxicity
Product
Acute oral toxicity
Assessment: The component/mixture is toxic after single ingestion.
Acute inhalation toxicity
Assessment: The component/mixture is toxic after short term inhalation.
Components
2-Aminophenylarsonic Acid
Acute oral toxicity
Assessment: The component/mixture is toxic after single ingestion.
Acute inhalation toxicity
Assessment: The component/mixture is toxic after short term inhalation.
Skin corrosion/irritation
Classified based on available data. For more details, see section 2.
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
Classified based on available data. For more details, see section 2.
STOT-repeated exposure
Classified based on available data. For more details, see section 2.
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.
Ecotoxicity
Product:
Ecotoxicology Assessment
Acute aquatic toxicityVery toxic to aquatic life.
Chronic aquatic toxicity
Very toxic to aquatic life with long lasting effects.
Components:
2-Aminophenylarsonic Acid:
Ecotoxicology Assessment
Acute aquatic toxicityVery toxic to aquatic life.
Chronic aquatic toxicity
Very toxic to aquatic life with long lasting effects.
Persistence and degradability
No data available
Bioaccumulative potential
No data available
Mobility in soil
No data available
Other adverse effects
No data available
Disposal methods
Waste from residuesDisposal 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.
International Regulations
IATA-DGR
UN/ID No.UN 3465
Proper shipping name
Organoarsenic compound, solid, n.o.s.
Class
6.1
Packing group
III
IMDG-Code
UN numberUN 3465
Proper shipping name
ORGANOARSENIC COMPOUND, SOLID, N.O.S.
Class
6.1
Packing group
III
EmS Code
F-A, S-A
Domestic regulation
GB 6944/12268
UN numberUN 3465
Proper shipping name
ORGANOARSENIC COMPOUND, SOLID, N.O.S.
Class
6.1
Packing group
III
Regulations on Safety Management of Hazardous Chemicals
Catalogue of Hazardous ChemicalsListed
The ingredients of this product are reported in the following inventories
CH BAGREGOn the inventory, or in compliance with the inventory
TSCA
Substance(s) not listed on TSCA inventory
AICS
Not in compliance with the inventory
DSL
This product contains the following components that are not on the
Canadian DSL nor NDSL.
2-Aminophenylarsonic Acid
ENCS
Canadian DSL nor NDSL.
2-Aminophenylarsonic Acid
Not in compliance with the inventory
ISHL
Not in compliance with the inventory
KECI
Not in compliance with the inventory
PICCS
Not in compliance with the inventory
IECSC
On the inventory, or in compliance with the inventory
NZIoC
Not in compliance with the inventory
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
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.