Note: Ingredients listed on restricted chemical lists
EC/CAS
120-55-8
Name of the chemical
DEGDB, Oxydiethylene-dibenzoate
Concentration
15-45
EC/CAS
27138-31-4
Name of the chemical
DPGDB, Oxydipropyl dibenzoate
Concentration
<15
EC/CAS
7631-86-9
Name of the chemical
Silver adsorbed on silicon dioxide
Concentration
<5
EC/CAS
1333-86-4
Name of the chemical
carbon black
Concentration
<2.5
EC/CAS
68909-20-6
Name of the chemical
Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-, hydrolysis products with silica
Concentration
<2
EC/CAS
1310-73-2
Name of the chemical
sodium hydroxide
Concentration
0-1.1
General Information
Version
1.00
Revision date
2026-09-25
Product name
3M Aerospace Sealant AC-251 Black B-2
1.2.1 Relevant identified uses
Sealant
supplier name
3M Canada Company
Emergency telephone
1800 364 3577, (800) 364-3577
Icons in SDS
Company Information
company name
3M Canada Company
Hazard Codes
Hazard statements (CLP)
H315, H318, H351, H372
Hazard statements
Code
Statements
H315
Causes skin irritation
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture Acute Toxicity (oral): Category 4 Skin Corrosion/Irritation: Category 2 Serious Eye Damage/Irritation: Category 1 Carcinogenicity: Category 2 Specific Target Organ Toxicity (repeated exposure): Category 1 Aerospace Sealant AC-251 B-2 Catalyst
Hazard pictograms
Corrosion |Exclamation mark |Health Hazard |
Hazard statements
Harmful if swallowed. Causes skin irritation. Causes serious eye damage. Suspected of causing cancer. Causes damage to organs through prolonged or repeated exposure: nervous system | respiratory system.
Prevention
Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Do not breathe vapours, dust, or spray. Wash exposed skin thoroughly after handling. Do not eat, drink or smoke when using this product. Wear respiratory protection, eye protection, and face protection.
Response
IF ON SKIN Wash with plenty of soap and water. IF IN EYES Rinse cautiously with water for several minutes Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor. Rinse mouth. If skin irritation occurs: Get medical advice. 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
None known. 1% of the mixture consists of ingredients of unknown acute oral toxicity. 5% of the mixture consists of ingredients of unknown acute dermal toxicity.
2.1 Classification of the substance or mixture
Acute Toxicity (oral): Category 4. Skin Corrosion/Irritation: Category 2. Serious Eye Damage/Irritation: Category 1. Carcinogenicity: Category 2. Specific Target Organ Toxicity (repeated exposure): Category 1. Aerospace Sealant AC-251 B-2 Catalyst
