Note: Ingredients listed on restricted chemical lists
EC/CAS
911-418-6/55965-84-9
Name of the chemical
Mixture of 5-chloro-2-methyl-2H- isothiazol-3-one (EINECS 247-500-7) and 2-methyl-2H-isothiazol-3-one (EINECS 220-239-6)
Concentration
>=0,0002- <0,0015%
General Information
Version
6.11
Revision date
2025-07-23
Product name
Blocking Reagent
REACH No
This
1.2.1 Relevant identified uses
Reagent for development and research
Emergency telephone
+(44)-870-8200418, +(353)-19014670, 001-803-017-9114
Icons in SDS
Company Information
company name
Merck KGaA
e-mail address of the competent person responsible for the Safety Data Sheet
TechnicalService@merckgroup.com
GHS Information
Signal word
none
Section 2
SECTION 2: Hazards identification
Regulation (EC) No. 1272/2008 Classification of the substance or mixture
Hazard pictograms
none
Signal word
none
Hazard statements
none
Precautionary statements
none
Supplemental label elements
none EUH210 Safety data sheet available on request. EUH208
Contains
Mixture of 5-Chloro-2-methyl-4-isothiazolin-3-one and 2-Methyl-2H -isothiazol-3-one (3:1). May produce an allergic reaction.
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
Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
