Note: Ingredients listed on restricted chemical lists
EC/CAS
120-55-8
Name of the chemical
DEGDB, Oxydiethylene-dibenzoate
Concentration
10-45
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
68909-20-6
Name of the chemical
Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-, hydrolysis products with silica
Concentration
0.5 - 1.5
EC/CAS
1310-73-2
Name of the chemical
sodium hydroxide
Concentration
0.1 - 1
General Information
Version
2.02
Revision date
2026-09-09
Product name
Aerospace Sealant AC-350 B-1/4 Catalyst
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)
H302, H314, H372
Hazard statements
Code
Statements
H302
Harmful if swallowed
Section 2
SECTION 2: Hazards identification
Hazard classification Acute Toxicity (oral): Category 4 Skin Corrosion/Irritation: Category 1B Serious Eye Damage/Irritation: Category 1 Specific Target Organ Toxicity (repeated exposure): Category 1
Hazard pictograms
Corrosion |Exclamation mark |Health Hazard |
Hazard statements
Harmful if swallowed. Causes severe skin burns and eye damage. Causes damage to organs through prolonged or repeated exposure: nervous system | respiratory system.
Prevention
Do not breathe vapors. Wash exposed skin thoroughly after handling. Do not eat, drink or smoke when using this product. 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: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF exposed or concerned: Immediately call a POISON CENTER or doctor. Get medical attention if you feel unwell. Wash contaminated clothing before reuse.
Storage
Store locked up.
Disposal
Dispose of contents and container in accordance with applicable local, regional, national, and international regulations. 1% of the mixture consists of ingredients of unknown acute oral toxicity. 7% 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 1B. Serious Eye Damage/Irritation: Category 1. Specific Target Organ Toxicity (repeated exposure): Category 1. 2.2. Label elements Signal word Danger Symbols Corrosion |Exclamation mark |Health Hazard | Pictograms Hazard Statements Harmful if swallowed. Causes severe skin burns and eye damage. Causes damage to organs through prolonged or repeated exposure: nervous system | respiratory system. Precautionary statements Prevention: Do not breathe vapors. Wash exposed skin thoroughly after handling. Do not eat, drink or smoke when using this product. 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: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF exposed or concerned: Immediately call a POISON CENTER or doctor. Get medical attention if you feel unwell. Wash contaminated clothing before reuse. Storage: Store locked up. Disposal: Dispose of contents and container in accordance with applicable local, regional, national, and international regulations. 1% of the mixture consists of ingredients of unknown acute oral toxicity. 7% of the mixture consists of ingredients of unknown acute dermal toxicity. SECTION 3: Composition/information on ingredients Ingredient C.A.S. No. % by Wt Manganese Dioxide 1313-13-9 20 - 50 Ethanol, 2,2'-oxybis-,dibenzoate 120-55-8 10 - 45 Dibenzoate Propanol 27138-31-4 < 15