General Information
Version
6.10
Revision date
2026-09-28
Product name
4-Hydroxy-4-methyl-2-pentanone
CAS No.
123-42-2
Emergency telephone
+44 20 3885 0382, +65 3163 8374, +55 11 4349 1359, +52 55 8526 4930, +1 703 527 3887
Icons in SDS
Company Information
company name
Sigma-Aldrich Chemie GmbH
GHS Information
Signal word
Warning
Hazard Codes
Hazard statements (CLP)
H226, H319, H335, H361fd
Hazard statements
Code
Statements
H226
Flammable liquid and vapour
Section 2
SECTION 2: Hazards identification
Regulation (EC) No. 1272/2008 Classification of the substance or mixture
Signal word
Warning Warning
Hazard statements
H226 Flammable liquid and vapour. H319 Causes serious eye irritation. H335 May cause respiratory irritation. H361fd Suspected of damaging fertility. Suspected of damaging the unborn child. H361fd Suspected of damaging fertility. Suspected of damaging the unborn child.
Precautionary statements
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. P233 Keep container tightly closed. P240 Ground and bond container and receiving equipment. P202 Do not handle until all safety precautions have been read and understood. P308 + P313 IF exposed or concerned: Get medical advice/ attention.
Response
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. Reduced Labelling (<= 125 ml)
Supplemental label elements
none
2.3 Other hazards
This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.
ECOLOGICAL INFORMATION
The substance/mixture does not contain components considered to have endocrine disrupting properties according to REACH Article 57(f) or Commission Delegated regulation (EU) 2017/2100 or Commission Regulation (EU) 2018/605 at levels of 0.1% or higher.
TOXICOLOGICAL INFORMATION
The substance/mixture does not contain components considered to have endocrine disrupting properties according to REACH Article 57(f) or Commission Delegated regulation (EU) 2017/2100 or Commission Regulation (EU) 2018/605 at levels of 0.1% or higher.
2.1 Classification of the substance or mixture
Classification (REGULATION (EC) No 1272/2008) Flammable liquids, Category 3 H226: Flammable liquid and vapour. Eye irritation, Category 2 H319: Causes serious eye irritation. Reproductive toxicity, Category 2 H361fd: Suspected of damaging fertility. Suspected of damaging the unborn child. Specific target organ toxicity - H335: May cause respiratory irritation. single exposure, Category 3,