Note: Ingredients listed on restricted chemical lists
EC/CAS
205-426-2/140-66-9
Name of the chemical
Octylphenol (OP),mixed isomers
Concentration
4-
General Information
Version
6.10
Revision date
2025-12-23
Product name
4-tert-Octylphenol
CAS No.
140-66-9
REACH No
01-2119541687-29-XXXX
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)
H315, H318, H400, H410
Hazard statements
Code
Statements
H315
Causes skin irritation
Section 2
SECTION 2: Hazards identification
Regulation (EC) No. 1272/2008 Classification of the substance or mixture
Signal word
Danger Danger
Hazard statements
H315 Causes skin irritation. H318 Causes serious eye damage. H410 Very toxic to aquatic life with long lasting effects. H318 Causes serious eye damage.
Precautionary statements
P264 Wash skin thoroughly after handling. P273 Avoid release to the environment. P280 Wear protective gloves/ eye protection/ face protection. P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Response
P302 + P352 IF ON SKIN: Wash with plenty of water. P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P332 + P313 If skin irritation occurs: 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
This substance/mixture contains components considered to have endocrine disrupting properties for environment , according to REACH Article 57(f), Commission Regulation (EU) 2018/605 or Commission Delegated Regulation (EU) 2017/2100.
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) Skin irritation, Category 2 H315: Causes skin irritation. Serious eye damage, Category 1 H318: Causes serious eye damage. Short-term (acute) aquatic hazard, H400: Very toxic to aquatic life. Category 1 Long-term (chronic) aquatic hazard, H410: Very toxic to aquatic life with long Category 1 lasting effects.
