Note: Ingredients listed on restricted chemical lists
EC/CAS
200-636-0/66-81-9
Name of the chemical
Cycloheximid
Concentration
<= 100 %
General Information
Version
6.7
Revision date
2025-12-23
Product name
Cycloheximide
CAS No.
66-81-9
Emergency telephone
+44 (0)870 8200418
Icons in SDS
Company Information
company name
Merck Life Science UK Limited
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)
H300, H341, H360D, H411
Hazard statements
Code
Statements
H300
Fatal if swallowed
Section 2
SECTION 2: Hazards identification
Labelling according Regulation (EC) No 1272/2008 as amended by GB-CLP Classification of the substance or mixture
Signal word
Danger Danger
Hazard statements
H300 Fatal if swallowed. H341 Suspected of causing genetic defects. H360D May damage the unborn child. H411 Toxic to aquatic life with long lasting effects. H341 Suspected of causing genetic defects. H300 Fatal if swallowed. H360D May damage the unborn child.
Precautionary statements
P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P264 Wash skin thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P273 Avoid release to the environment. P301 + P310 IF SWALLOWED: Immediately call a POISON CENTER/ doctor. P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P264 Wash skin thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P301 + P310 IF SWALLOWED: Immediately call a POISON CENTER/ doctor.
Supplemental label elements
none Restricted to professional users. Reduced Labelling (<= 125 ml) none
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 according to Regulation (EC) No 1272/2008 as amended by GB-CLP Regulation, UK SI 2019/720, and UK SI 2020/1567 Acute toxicity, (Category 2) H300: Fatal if swallowed. Germ cell mutagenicity, H341: Suspected of causing genetic (Category 2) defects. Reproductive toxicity, (Category H360D: May damage the unborn child. 1B) Long-term (chronic) aquatic H411: Toxic to aquatic life with long lasting hazard, (Category 2) effects.