Note: Ingredients listed on restricted chemical lists
EC/CAS
90-72-2
Name of the chemical
2,4,6-tris(dimethylaminomethyl)phenol
Concentration
1 - 5
EC/CAS
55120-75-7
Name of the chemical
Methanesulfonic acid, 1,1,1-trifluoro-, calcium salt (2:1)
Concentration
1 - 5
General Information
Version
8.04
Revision date
2026-09-23
Product name
3M Scotch-Weld Epoxy Adhesive 420 Black, Part A
1.2.1 Relevant identified uses
Structural adhesive
supplier name
3M
Manufacturer Name
3M
Emergency telephone
1-800-364-3577, (651) 737-6501
Icons in SDS
Company Information
company name
3M
Hazard Codes
Hazard statements (CLP)
H314, H317
Hazard statements
Code
Statements
H314
Causes severe skin burns and eye damage
Section 2
SECTION 2: Hazards identification
Hazard classification Skin Corrosion/Irritation: Category 1B Serious Eye Damage/Irritation: Category 1 Skin Sensitizer: Category 1
Hazard pictograms
Corrosion |Exclamation mark |
Hazard statements
Causes severe skin burns and eye damage. May cause an allergic skin reaction.
Prevention
Do not breathe vapors. Wash exposed skin thoroughly after handling. Contaminated work clothing should not be allowed out of the workplace. Wear protective gloves, protective clothing, eye protection, and face protection.
Response
IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower. IF INHALED: Remove person to fresh air and keep comfortable for breathing. IF IN EYES OR ON SKIN (or hair): Immediately call a POISON CENTER or doctor. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If skin irritation or rash occurs: Get medical attention. Take off contaminated clothing and wash it before reuse.
Storage
Store locked up.
Disposal
Dispose of contents and container in accordance with applicable local, regional, national, and international regulations.
2.3 Other hazards
May cause chemical gastrointestinal burns.
2.1 Classification of the substance or mixture
Skin Corrosion/Irritation: Category 1B. Serious Eye Damage/Irritation: Category 1. Skin Sensitizer: Category 1. 2.2. Label elements Signal word Danger Symbols Corrosion |Exclamation mark | Pictograms Hazard Statements Causes severe skin burns and eye damage. May cause an allergic skin reaction. Precautionary statements Prevention: Do not breathe vapors. Wash exposed skin thoroughly after handling. Contaminated work clothing should not be allowed out of the workplace. Wear protective gloves, protective clothing, eye protection, and face protection. Response: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower. IF INHALED: Remove person to fresh air and keep comfortable for breathing. IF IN EYES OR ON SKIN (or hair): Immediately call a POISON CENTER or doctor. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If skin irritation or rash occurs: Get medical attention. Take off contaminated clothing and wash it before reuse. Storage: Store locked up. Disposal: Dispose of contents and container in accordance with applicable local, regional, national, and international regulations. 2.3. Hazards not otherwise classified May cause chemical gastrointestinal burns. SECTION 3: Composition/information on ingredients Ingredient C.A.S. No. % by Wt Modified Epoxy Resin (NJTS Reg. No. 04499600-6839) Trade Secret* 40 - 80 4,7,10-Trioxatridecane-1,13-Diamine 4246-51-9 15 - 40 Trade Secret * 2,4,6-tris((Dimethylamino)Methyl)Phenol 90-72-2 1 - 5 Trade Secret * Amorphous Silica 67762-90-7 1 - 5 Calcium Salt 55120-75-7 1 - 5 Trade Secret * NJTS or NJTSRN: New Jersey Trade Secret Registry Number. *The specific chemical identity and/or exact percentage (concentration) of this composition has been withheld as a trade secret. SECTION 4: First aid measures