Chemical Safety Data Sheet MSDS / SDS
NITARSONE
Revision Date:2026-03-21Revision Number:1
Product identifier
- Product name: NITARSONE
- CBnumber: CB9409138
- CAS: 98-72-6
- EINECS Number: 202-695-8
- Synonyms: 4-NBA;4-Nitrophenyl arsonic 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
P501 Dispose of contents/container to..…
P311 Call a POISON CENTER or doctor/physician.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P273 Avoid release to the environment.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
Hazard statements
H410 Very toxic to aquatic life with long lasting effects
Substance
- Product name: NITARSONE
- Synonyms: 4-NBA;4-Nitrophenyl arsonic acid
- CAS: 98-72-6
- EC number: 202-695-8
- MF: C6H6AsNO5
- MW: 247.04
First Aid Measures
General adviceConsult a physician if necessary. Remove to fresh air.
Eye contact
Wash with plenty of water.
Skin Contact
Wash skin with soap and water.
Inhalation
Remove to fresh air If breathing is difficult, give oxygen If not breathing, give artificial respiration
Ingestion
Never give anything by mouth to an unconscious person. Clean mouth with water.
Most important symptoms and effects, both acute and delayed
SymptomsNo information available.
Indication of any immediate medical attention and special treatment needed
Note to physiciansTreat symptomatically.
Suitable Extinguishing Media
Suitable Extinguishing MediaUse extinguishing measures that are appropriate to local circumstances and the surrounding environment.
Unsuitable Extinguishing Media
No information available.
Specific hazards arising from the chemical
Specific hazards arising from the chemicalNo information available.
Hazardous combustion products
Carbon oxides. Nitrogen oxides (NOx).
Explosion data
Sensitivity to Mechanical ImpactNo information available.
Sensitivity to Static Discharge
No information available.
Protective equipment and precautions for firefighters
Protective equipment and precautions for firefightersAs in any fire, wear self contained breathing apparatus pressure-demand, MSHA/NIOSH (approved or equivalent) and full protective gear.
Personal precautions, protective equipment and emergency procedures
Personal precautionsEnsure adequate ventilation, especially in confined areas.
Environmental precautions
Environmental precautionsSee Section 12 for additional Ecological Information.
Methods and material for containment and cleaning up
Methods for containmentPrevent further leakage or spillage if safe to do so.
Methods for cleaning up
Use personal protective equipment as required. Cover powder spill with plastic sheet or tarp to minimize spreading and keep powder dry. Take up mechanically, placing in appropriate containers for disposal. Avoid creating dust. Clean contaminated surface thoroughly.
Precautions for safe handling
Advice on safe handlingHandle in accordance with good industrial hygiene and safety practice.
Conditions for safe storage, including any incompatibilities
Storage ConditionsKeep containers tightly closed in a dry, cool and well-ventilated place. Store at room temperature.
Incompatible materials
None known based on information supplied.
Control parameters
Exposure Guidelines.
Other Information
Vacated limits revoked by the Court of Appeals decision in AFL-CIO v. OSHA, 965 F.2d 962 (11th Cir., 1992).
| Column 1 | Column 2 | Column 3 | Column 4 |
|---|---|---|---|
| Nitarsone 98-72-6 | - | TWA: 0.5 mg/m3 As | - |
Appropriate engineering controls
Engineering ControlsShowers
Eyewash stations
Ventilation systems
Eyewash stations
Ventilation systems
Individual protection measures, such as personal protective equipment
Eye/face protectionWear safety glasses with side shields (or goggles).
Skin and Body Protection
Wear protective gloves and protective clothing.
Respiratory protection
If exposure limits are exceeded or irritation is experienced, NIOSH/MSHA approved respiratory protection should be worn. Positive-pressure supplied air respirators may be required for high airborne contaminant concentrations. Respiratory protection must be provided in accordance with current local regulations.
General Hygiene Considerations
Handle in accordance with good industrial hygiene and safety practice.
Information on basic physicochemical properties
- Physical StateSolid
- Appearancecrystalline
- OdorNo information available
- pHNo information available
- Melting point/freezing point298 °C
- Boiling point540.9±52.0 °C(Predicted)
- Flash pointNo information available
- Liquid DensityNo information available
- Evaporation rateNo information available
- Upper flammability limitsNo information available
- Lower flammability limitNo information available
- Vapor pressureNo information available
- Vapor densityNo information available
- Specific gravityNo information available
- Water solubilityNo information available
- Solubility in other solventsNo information available
- Partition coefficientNo information available
- Autoignition temperatureNo information available
- Decomposition temperatureNo information available
- Kinematic viscosityNo information available
- Explosive propertiesNo information available
- Oxidizing propertiesNo information available
- SolubilityDMSO (Slightly), Methanol (Slightly)
- ColourPale-yellow leaflets from H2O
Reactivity
Not applicable
Chemical stability
Stable under recommended storage conditions.
Possibility of Hazardous Reactions
None under normal processing.
Hazardous polymerization
No information available.
Conditions to avoid
Extremes of temperature and direct sunlight.
Incompatible materials
Strong oxidizing agents.
Hazardous Decomposition Products
Carbon oxides. Nitrogen oxides (NOx).
Information on likely routes of exposure
InhalationClassified based on available data. For more details, see section 2.
Eye contact
Classified based on available data. For more details, see section 2.
Skin Contact
Classified based on available data. For more details, see section 2.
Ingestion
Classified based on available data. For more details, see section 2.
Information on toxicological effects
SymptomsClassified based on available data. For more details, see section 2.
Delayed and immediate effects as well as chronic effects from short and long-term exposure
Chronic ToxicityMay cause adverse liver effects. Contains a known or suspected reproductive toxin. Target Organ Effects Reproductive System, Gastrointestinal tract (GI), Central nervous system, Respiratory system, Kidney, Liver, Skin. Carcinogenicity The table below indicates whether each agency has listed any ingredient as a carcinogen.
Chemical name ACGIH IARC NTP OSHA
Nitarsone - Group1 - X 98-72-6
Numerical measures of toxicity - Product Information
Unknown acute toxicityClassified based on available data. For more details, see section 2
The following values are calculated based on chapter 3.1 of the GHS document
ATEmix (oral)
The following values are calculated based on chapter 3.1 of the GHS document
100 mg/kg
ATEmix (inhalation-dust/mist)
0.5 mg/l
Ecotoxicity
Very toxic to aquatic life with long lasting effects
0% of the mixture consists of components(s) of unknown hazards to the aquatic environment.
0% of the mixture consists of components(s) of unknown hazards to the aquatic environment.
Persistence and degradability
No information available.
Bioaccumulation
No information available.
Mobility
No information available.
Disposal of wastes
Disposal should be in accordance with applicable regional, national and local laws and regulations.
Contaminated packaging
Do not reuse container.
DOT
UN/ID noUN3465
Hazard Class
6.1
Packing Group
III
Proper shipping name
Organoarsenic compound, solid, n.o.s.
Description
UN3465, Organoarsenic compound, solid, n.o.s. (Nitarsone), 6.1, III
Emergency Response Guide Number
151
IMDG
UN/ID noUN3465
Hazard Class
6.1
Packing Group
III
Proper shipping name
Organoarsenic compound, solid, n.o.s.
Description
UN3465, Organoarsenic compound, solid, n.o.s. (Nitarsone), 6.1, III, Marine pollutant
Special Provisions
223, 274
EmS-No
F-A, S-A
IATA
UN/ID noUN3465
Hazard Class
6.1
Packing Group
III
Proper shipping name
Organoarsenic compound, solid, n.o.s.
Description
UN3465, Organoarsenic compound, solid, n.o.s. (Nitarsone), 6.1, III
ERG Code
6L
International Inventories
All of the components in the product are on the following Inventory lists
Europe (EINECS/ELINCS/NLP) Australia (AICS)
X - Listed
TSCA - United States Toxic Substances Control Act Section 8(b) Inventory
DSL/NDSL - Canadian Domestic Substances List/Non-Domestic Substances List
EINECS/ELINCS - European Inventory of Existing Chemical Substances/European List of Notified Chemical Substances
ENCS - Japan Existing and New Chemical Substances
IECSC - China Inventory of Existing Chemical Substances
KECL - Korean Existing and Evaluated Chemical Substances
PICCS - Philippines Inventory of Chemicals and Chemical Substances
Europe (EINECS/ELINCS/NLP) Australia (AICS)
X - Listed
TSCA - United States Toxic Substances Control Act Section 8(b) Inventory
DSL/NDSL - Canadian Domestic Substances List/Non-Domestic Substances List
EINECS/ELINCS - European Inventory of Existing Chemical Substances/European List of Notified Chemical Substances
ENCS - Japan Existing and New Chemical Substances
IECSC - China Inventory of Existing Chemical Substances
KECL - Korean Existing and Evaluated Chemical Substances
PICCS - Philippines Inventory of Chemicals and Chemical Substances
| Chemical name | TSCA | DSL | NDSL | EINECS | ELINCS | ENCS | IECSC | KECL | PICCS | AICS |
|---|---|---|---|---|---|---|---|---|---|---|
| Nitarsone | - | - | - | X | - | - | - | - | - | X |
US Federal Regulations
SARA 313
Section 313 of Title III of the Superfund Amendments and Reauthorization Act of 1986 (SARA). This product does not contain any chemicals which are subject to the reporting requirements of the Act and Title 40 of the Code of Federal Regulations, Part 372.
SARA 311/312 Hazard Categories
Acute health hazardYes
Chronic Health Hazard
No
Fire hazard
No
Sudden release of pressure hazard
No
Reactive hazard
No
CWA (Clean Water Act)
This product contains the following substances which are regulated pollutants pursuant to the Clean Water Act (40 CFR 122.21 and 40 CFR 122.42).
| Chemical name | CWA - Reportable Quantities | CWA - Toxic Pollutants | CWA - Priority Pollutants | CWA - Hazardous Substances |
|---|---|---|---|---|
| Nitarsone 98-72-6 | X |
US State Regulations
California Proposition 65
This product does not contain any Proposition 65 chemicals.
U.S. State Right-to-Know Regulations
| Chemical name | New Jersey | Massachusetts | Pennsylvania |
|---|---|---|---|
| Nitarsone 98-72-6 | X | Not Listed | X |
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.