Note: Ingredients listed on restricted chemical lists
General Information
Version
6.9
Revision date
2026-02-05
Product name
N-Nitroso-N-ethylurea
1.2.1 Relevant identified uses
Laboratory chemicals, Synthesis of substances
1.2.2. Uses advised against
The product is being supplied under the TSCA R&D Exemption
Emergency telephone
800-424-9300, +1-703- 527-3887
Icons in SDS
Company Information
company name
Sigma-Aldrich Inc
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H302+H312+H332, H350, H360
Hazard statements
Code
Statements
H302+H312+H332
Harmful if swallowed, in contact with skin or if inhaled
Section 2
SECTION 2: Hazards identification
Other hazards
None known
Signal word
Danger
Hazard statements
H302 + H312 + H332 Harmful if swallowed, in contact with skin or if inhaled. H350 May cause cancer. H360 May damage fertility or the unborn child.
Prevention
P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P261 Avoid breathing dust. P264 Wash 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 + P312 + P330 IF SWALLOWED: Call a POISON CENTER/ doctor if you feel unwell. Rinse mouth. P302 + P352 + P312 IF ON SKIN: Wash with plenty of water. Call a POISON CENTER/ doctor if you feel unwell. P304 + P340 + P312 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/ doctor if you feel unwell. P308 + P313 IF exposed or concerned: Get medical advice/ attention.
Storage
P405 Store locked up.
Disposal
P501 Dispose of contents/ container to an approved waste disposal plant.
2.1 Classification of the substance or mixture
(29 CFR 1910.1200) Hazards for the product as supplied Acute toxicity (Oral) : Category 4 Acute toxicity : Category 4 (Inhalation) Acute toxicity (Dermal) : Category 4 Carcinogenicity : Category 1B Reproductive toxicity : Category 1B Other hazards
