Note: Ingredients listed on restricted chemical lists
EC/CAS
2687-91-4
Name of the chemical
N-Ethyl-2-pyrrolidone (NEP)
Concentration
>= 70 - <= 100
General Information
Version
8.4
Revision date
2026-05-27
Product name
1-Ethyl-2-pyrrolidone
CAS No.
2687-91-4
1.2.1 Relevant identified uses
For R&D use only. Not for pharmaceutical, household or other uses
Emergency telephone
+(44)-870-8200418, +(353)-19014670, 001-803-017-9114
Icons in SDS
Company Information
company name
Aldrich
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H227, H303, H318, H360
Hazard statements
Code
Statements
H227
Combustible liquid
Section 2
SECTION 2: Hazards identification
GHS Classification Flammable liquids Category 4 Acute toxicity (Oral) Category 5 Serious eye damage/eye irritation Category 1 Reproductive toxicity Category 1B
Signal word
Danger
Hazard statements
H227 Combustible liquid. H303 May be harmful if swallowed. H318 Causes serious eye damage. 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. P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection.
Response
P305 + P351 + P338 + P310 IF IN EYES: Rinse cau- tiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/ doctor. P312 Call a POISON CENTER/ doctor if you feel unwell. P370 + P378 In case of fire: Use dry sand, dry chemi- cal or alcohol-resistant foam to extinguish.
Storage
P403 Store in a well-ventilated place. P405 Store locked up.
Disposal
P501 Dispose of contents/ container to an approved waste disposal plant.
Other hazards which do not result in classification
None known.
2.1 Classification of the substance or mixture
Flammable liquids : Category 4 Acute toxicity (Oral) : Category 5 Serious eye damage/eye : Category 1 irritation Reproductive toxicity : Category 1B
