General Information
Version
5
Revision date
2026-07-27
Product name
N,N-Dimethyl-4-nitrosoaniline
Product Synonyms
4-Nitroso-N,N-dimethylaniline
CAS No.
138-89-6
supplier name
Avocado Research Chemicals Ltd
Emergency telephone
001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Avocado Research Chemicals Ltd
e-mail address of the competent person responsible for the Safety Data Sheet
begel.sdsdesk@thermofisher.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H251, H301+H311+H331, H315, H373
Hazard statements
Code
Statements
H251
Self-heating; may catch fire
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Powder Solid Green Odorless Emergency Overview Self-heating; may catch fire. Causes skin irritation. Toxic if swallowed. Toxic in contact with skin. Toxic if inhaled. May cause damage to organs through prolonged or repeated exposure. May form combustible dust concentrations in air. Classification of the substance or mixture Self-heating substances/mixtures Category 1 Acute Oral Toxicity Category 3 Acute Dermal Toxicity Category 3 Acute Inhalation Toxicity - Dusts and Mists Category 3 Skin Corrosion/Irritation Category 2 Specific target organ toxicity - (repeated exposure) Category 2 Label Elements
Signal word
Danger Hazard Statements H251 - Self-heating: may catch fire H315 - Causes skin irritation H373 - May cause damage to organs through prolonged or repeated exposure H301 + H311 + H331 - Toxic if swallowed, in contact with skin or if inhaled
Prevention
P210 - Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking P235 + P410 - Keep cool. Protect from sunlight P262 - Do not get in eyes, on skin, or on clothing P264 - Wash face, hands and any exposed skin thoroughly after handling P270 - Do not eat, drink or smoke when using this product P271 - Use only outdoors or in a well-ventilated area P280 - Wear protective gloves/protective clothing/eye protection/face protection
Response
P301 + P310 - IF SWALLOWED: Immediately call a POISON CENTER or doctor P302 + P352 - IF ON SKIN: Wash with plenty of soap and water P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P311 - Call a POISON CENTER or doctor P330 - Rinse mouth P380 - Evacuate area P362 + P364 - Take off contaminated clothing and wash it before reuse
Storage
P404 - Store in a closed container P403 + P233 + P235 - Store in a well-ventilated place. Keep container tightly closed. Keep cool P407 - Maintain air gap between stacks/pallets P420 - Store away from other materials P405 - Store locked up
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
Self-heating; may catch fire. May form combustible dust concentrations in air.
Health hazards
Causes skin irritation. Toxic if swallowed. Toxic in contact with skin. Toxic if inhaled. May cause damage to organs through prolonged or repeated exposure.
Environmental hazards
Contains no substances known to be hazardous to the environment or not degradable in waste water treatment plants. Is not likely mobile in the environment due its low water solubility. Spillage unlikely to penetrate soil. May form explosible dust-air mixture if dispersed. Toxic to terrestrial vertebrates. This product does not contain any known or suspected endocrine disruptors.
2.1 Classification of the substance or mixture
Self-heating substances/mixtures Category 1 Acute Oral Toxicity Category 3 Acute Dermal Toxicity Category 3 Acute Inhalation Toxicity - Dusts and Mists Category 3 Skin Corrosion/Irritation Category 2 Specific target organ toxicity - (repeated exposure)