Note: Ingredients listed on restricted chemical lists
EC/CAS
7429-90-5
Name of the chemical
Aluminium
Concentration
80-100
General Information
Revision date
2025-09-17
Product name
WEST SYSTEM 420 Aluminum Powder
CAS No.
7429-90-5
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
Warning
Hazard Codes
Hazard statements (CLP)
H228, H261
Hazard statements
Code
Statements
H228
Flammable solid
Section 2
SECTION 2: Hazards identification
This SDS is aligned with the Workplace Hazardous Materials Information System (WHMIS) and with the Globally Harmonized System of Classification and Labelling of Chemicals (GHS). Classification of the substance or mixture Flammable Solid, category 1;H228 Flammable solid Water reacting substance, category 2;H261 In contact with water releases flammable gas Combustible Dust - Category 1 May form combustible dust concentrations in air
2.2 Label elements
Warning H228 Flammable solid. H261 In contact with water releases flammable gases. May form combustible dust concentrations in air.
Prevention
P210 Keep away from heat, sparks, open flames, and other ignition sources - No smoking. P223 Do not allow contact with water. P231+232 Handle and store contents under inert gas. Protect from moisture. P240 Ground, bond container and receiving equipment. P241 Use explosion-proof electrical, ventilating, light, equipment. 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
May form combustible dust concentrations in air. 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 Organisation for Economic Co-operation and Development (OECD) list of Per- and Polyfluoroalkyl Substances (PFASs).
2.1 Classification of the substance or mixture
Flammable Solid, category 1;H228 Flammable solid. Water reacting substance, category 2;H261 In contact with water releases flammable gas. Combustible Dust - Category 1 May form combustible dust concentrations in air.
