Note: Ingredients listed on restricted chemical lists
EC/CAS
204-647-1/123-73-9
Name of the chemical
Crotonaldehyd; 2-Butenal (E)-2-Butenal; (E)-Crotonaldehyd
Concentration
>=3-<10
General Information
Version
6.8
Revision date
2025-12-26
Product name
3-(Methylthio)butanal
CAS No.
16630-52-7
REACH No
A
Emergency telephone
+(47)-22591300, +(47)-21930678
Icons in SDS
Company Information
company name
Merck Life Science AS
e-mail address of the competent person responsible for the Safety Data Sheet
TechnicalService@merckgroup.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H226, H318, H331, H341, H400
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
Danger Danger
Hazard statements
H226 Flammable liquid and vapour. H318 Causes serious eye damage. H331 Toxic if inhaled. H341 Suspected of causing genetic defects. H400 Very toxic to aquatic life. H331 Toxic if inhaled. H341 Suspected of causing genetic defects. H318 Causes serious eye damage.
Precautionary statements
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P273 Avoid release to the environment. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection. P304 + P340 + P311 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/ doctor. 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.
Response
P304 + P340 + P311 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/ doctor. 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. Acute toxicity, Category 3 H331: Toxic if inhaled. Serious eye damage, Category 1 H318: Causes serious eye damage. Germ cell mutagenicity, Category 2 H341: Suspected of causing genetic defects. Short-term (acute) aquatic hazard, H400: Very toxic to aquatic life.
