General Information
Version
ID 1.02
Revision date
2026-09-25
Product name
N-Nitroso-N-methylurea (stabilised with 10% acetic acid)
Product Synonyms
1-Methyl-1-nitrosourea
CAS No.
684-93-5
1.2.1 Relevant identified uses
For research and development purposes
1.2.2. Uses advised against
No uses advised 1.3 Safety Data Sheet supplier details
Emergency telephone
+44 20 3807 3798
Icons in SDS
Company Information
company name
Fluorochem Limited
e-mail address of the competent person responsible for the Safety Data Sheet
sds@fluorochem.co.uk
GHS Information
Signal word
Warning
Hazard Codes
Hazard statements (CLP)
H228, H301, H350, H360
Hazard statements
Code
Statements
H228
Flammable solid
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture Classification H228 Flam. Sol. 2 H301 Acute Tox. 3 H350 Carc. 1B H360 Repr. 1B
Signal word
Warning
Hazard pictograms
GHS02 GHS06 GHS08 H228 Flammable solid. H301 Toxic if swallowed. H350 May cause cancer. H360 May damage fertility or the unborn child.
Precautionary statements
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof equipment. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P264 Wash hands 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 and eye/face protection. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER/doctor. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353 IF ON SKIN (or hair): Take off immediately all con- taminated clothing. Rinse skin with water. P304+P340 IF INHALED: Remove person to fresh air and keep com- fortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P308+P313 IF exposed or concerned: Get medical advice/attention. P310 Immediately call a POISON CENTER/doctor. P321 Specific treatment (see Section 4 on this SDS). P362+P364 Take off contaminated clothing and wash it before reuse. P370+P378 In case of fire: Use dry sand to extinguish. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up. P501 Dispose of contents/container to hazardous waste disposal.
Supplemental label elements
None
2.3 Other hazards
Other Classification Hazards This substance/mixture contains no components con- sidered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.
ECOLOGICAL INFORMATION
This substance/mixture contains no components con- sidered to have endocrine disrupting properties for envi- ronment , according to REACH Article 57(f), Commission Regulation (EU) 2018/605 or Commission Delegated Regulation (EU) 2017/2100.
TOXICOLOGICAL INFORMATION
This substance/mixture contains no components con- sidered to have endocrine disrupting properties affect- ing human health, according to REACH Article 57(f), Commission Regulation (EU) 2018/605 or Commission Delegated Regulation (EU) 2017/2100.
2.1 Classification of the substance or mixture
Classification H228 Flam. Sol. 2 H301 Acute Tox. 3 H350 Carc. 1B H360 Repr. 1B