General Information
Revision date
2026-10-20
Product name
4-Methyl-1,3-oxazole-5-carbonitrile
CAS No.
1003-52-7
1.2.1 Relevant identified uses
Laboratory chemicals, for scientific research and development only
1.2.2. Uses advised against
For research and development use only. Not for use as a drug, food, cosmetic, pesticide or household product
supplier name
Combi-Blocks, Inc
Emergency telephone
1-858-635-8950, 1-800-535-5053, 1-352-323-3500
Icons in SDS
Company Information
company name
Combi-Blocks, Inc
e-mail address of the competent person responsible for the Safety Data Sheet
sales@combi-blocks.com
GHS Information
Signal word
Warning
Hazard Codes
Hazard statements (CLP)
H226, H302, H302+H312+H332, H312, H332, H335
Hazard statements
Code
Statements
H226
Flammable liquid and vapour
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture
Signal word
Warning
Hazard statements
H226 Flammable liquid and vapor H302+H312+H332 Harmful if swallowed, in contact with skin or if inhaled. H335 May cause respiratory irritation To the best of our knowledge, the chemical, physical and toxicological properties of this substance have not been thoroughly investigated.
Precautionary statements
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting equipment. P242 Use non-sparking tools. P243 Take action to prevent static discharge. P261 Avoid breathing dust/fume/gas/mist/vapors/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/eye protection/face protection. P301+P312+P330 If swallowed: Call a poison center/doctor if you feel unwell. Rinse mouth. P303+P361+P353 If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower. P304+P340+P312 If inhaled: Remove person to fresh air and keep comfortable for breathing. Call a poison center/doctor if you feel unwell. P362+P364 Take off contaminated clothing and wash it before reuse. P370+P378 In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish. P403+P233+P235 Store in a well-ventilated place. Keep container tightly closed. Keep cool. P405 Store locked up. P501 Dispose of contents/container to an approved waste disposal plant.
2.3 Other hazards
None identified.
2.1 Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) Flammable liquids (Category 3), H226 Acute toxicity,oral (Category 4), H302 Acute toxicity,dermal (Category 4), H312 Acute toxicity,inhalation (Category 4), H332 Specific target organ toxicity, single exposure; Respiratory tract irritation (Category 3), H335
