Note: Ingredients listed on restricted chemical lists
EC/CAS
2530-83-8
Name of the chemical
[3-(2,3-epoxypropoxy)propyl]trimethoxy silane
Concentration
0.5 - 1.5
General Information
Version
5.00
Revision date
2025-10-15
Product name
3M Aerospace Sealant AC-770 B-2 Base
1.2.1 Relevant identified uses
For industrial or professional use only., Sealant
supplier name
3M
Manufacturer Name
3M
Emergency telephone
1-800-364-3577, (651) 737-6501
Icons in SDS
Company Information
company name
3M
GHS Information
Signal word
Warning
Hazard Codes
Hazard statements (CLP)
H317
Hazard statements
Code
Statements
H317
May cause an allergic skin reaction
Section 2
SECTION 2: Hazards identification
Hazard classification Skin Sensitizer: Category 1
Signal word
Warning
Hazard pictograms
Exclamation mark |
Hazard statements
May cause an allergic skin reaction.
Prevention
Avoid breathing vapors. Contaminated work clothing should not be allowed out of the workplace. Wear protective gloves.
Response
IF ON SKIN: Wash with plenty of soap and water. If skin irritation or rash occurs: Get medical attention. Take off contaminated clothing and wash it before reuse.
Disposal
Dispose of contents and container in accordance with applicable local, regional, national, and international regulations.
2.1 Classification of the substance or mixture
Skin Sensitizer: Category 1. 2.2. Label elements Signal word Warning Symbols Exclamation mark | Pictograms Hazard Statements May cause an allergic skin reaction. Precautionary statements Prevention: Avoid breathing vapors. Contaminated work clothing should not be allowed out of the workplace. Wear protective gloves. Response: IF ON SKIN: Wash with plenty of soap and water. If skin irritation or rash occurs: Get medical attention. Take off contaminated clothing and wash it before reuse. Disposal: Dispose of contents and container in accordance with applicable local, regional, national, and international regulations. SECTION 3: Composition/information on ingredients Ingredient C.A.S. No. % by Wt POLYSULFIDE RUBBER 68611-50-7 70 - 80 CALCIUM CARBONATE 471-34-1 15 - 25 AMORPHOUS SILICA 67762-90-7 < 2 PHENOL-FORMALDEHYDE RESIN 28470-78-2 < 2 3-(TRIMETHOXYSILYL)PROPYL GLYCIDYL 2530-83-8 0.5 - 1.5 Trade Secret * ETHER EPOXY RESIN 25085-99-8 0.1 - 1 Trade Secret * PHENOL-FORMALDEHYDE POLYMER 9003-35-4 0.1 - 1 Trade Secret * *The specific chemical identity and/or exact percentage (concentration) of this composition has been withheld as a trade secret. SECTION 4: First aid measures 4.1. Description of first aid measures Inhalation: Remove person to fresh air. If you feel unwell, get medical attention. Skin Contact: Immediately wash with soap and water. Remove contaminated clothing and wash before reuse. If signs/symptoms develop, get medical attention. Eye Contact
