Note: Ingredients listed on restricted chemical lists
General Information
Revision date
2025-09-22
Product name
WEST SYSTEM 422 Barrier Coat Additive
CAS No.
12001-26-2
1.2.2. Uses advised against
See Technical Data Sheet
Emergency telephone
800-424-9300, 703-527-3887, 800-222-1222
Icons in SDS
Company Information
company name
Gougeon Brothers, Inc
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H261
Hazard statements
Code
Statements
H261
In contact with water releases flammable gas
Section 2
SECTION 2: Hazards identification
2.2 Label elements
Danger H261 In contact with water releases flammable gases.
Prevention
P223 Do not allow contact with water. P231+232 Handle and store contents under inert gas. Protect from moisture. P280 Wear protective gloves, eye protection, and face protection.
Response
P370+378 In case of fire: Use extinguishing media listed in section 5 of SDS for extinction.
Storage
P402+404 Store in a dry place. Store in a closed container.
Disposal
P501 Dispose of contents or container in accordance with local and national regulations.
2.3 Other hazards
This product contains no PBT/vPvB/vPvM chemicals. This product contains no endocrine disrupting chemicals. Does NOT contain component(s) that meet a 'definition' of per & poly fluoroalkyl substance (PFAS) per the US EPA PFASMASTER combined list of PFAS chemicals.
2.1 Classification of the substance or mixture
revised 2024 (GHS revision 7) Water reacting substance, category 2;H261 In contact with water releases flammable gas.
