Note: Ingredients listed on restricted chemical lists
EC/CAS
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-< >=0,6% 0,06-<0,6% 0,06-<0,6% >=0,0015% >=0,6%
General Information
Version
2.0
Revision date
2026-06-22
Product name
Sikagard H 303
1.2.1 Relevant identified uses
Concrete protection
supplier name
Sika Norge AS
Emergency telephone
22 59 13 00
Icons in SDS
Company Information
company name
Sika Norge AS
e-mail address of the competent person responsible for the Safety Data Sheet
kundeservice@no.sika.com
GHS Information
Signal word
Warning
Hazard Codes
Hazard statements (CLP)
H315
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
Warning
Hazard statements
H315 Causes skin irritation. P101 If medical advice is needed, have product
Precautionary statements
container or label at hand. P102 Keep out of reach of children. P103 Read label before use.
Prevention
P264 Wash skin thoroughly after handling. P280 Wear protective gloves.
Response
P302 + P352 IF ON SKIN: Wash with plenty of water.
Additional information
EUH208 Contains reaction mass of 5-chloro-2-methyl-2H-isothiazol-3-one and 2-methyl- 2H-isothiazol-3-one (3:1). May produce an allergic reaction.
Ingredient(s) with unknown acute toxicity
1 % The following percentage of the mixture consists of ingredient(s) with unknown acute dermal toxicity: 1 % The following percentage of the mixture consists of ingredient(s) with unknown acute inhalation toxici- ty: 1 % The following percentage of the mixture consists of ingredient(s) with unknown hazards to the aquatic
Environmental hazards
1 %
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 en- docrine 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 regulati- on (EU) 2017/2100 or Commission Regulation (EU) 2018/605 at levels of 0.1% or higher. Contains a biocide in order to protect the product. Active ingredient: reaction mass of 5-chloro-2- methyl-2H-isothiazol-3-one and 2-methyl-2H-isothiazol-3-one (3:1), 55965-84-9. Please use treated articles responsibly.
2.1 Classification of the substance or mixture
Classification (REGULATION (EC) No 1272/2008) Skin irritation, Category 2 H315: Causes skin irritation.
