Note: Ingredients listed on restricted chemical lists
EC/CAS
219-784-2/2530-83-8
Name of the chemical
[3-(2,3-epoxypropoxy)propyl]trimethoxy silane
Concentration
<2
EC/CAS
216-823-5/1675-54-3
Name of the chemical
2,2'-[(1-methylethylidene)bis(4,1-phenyleneoxymethylene)]bisoxirane
Concentration
<1
EC/CAS
200-001-8/50-00-0
Name of the chemical
Formaldehyde
Concentration
<0.1
EC/CAS
207-439-9
Name of the chemical
Calcium carbonate
Concentration
15-25
General Information
Version
8.01
Revision date
2026-03-26
Product name
3M Aerospace Sealant AC-770 B-2 Base
1.2.1 Relevant identified uses
Sealant
Emergency telephone
+44 (0)1344 858 000
Icons in SDS
Company Information
company name
3M United Kingdom PLC
e-mail address of the competent person responsible for the Safety Data Sheet
ner-productstewardship@mmm.com
GHS Information
Signal word
WARNING
Hazard Codes
Hazard statements (CLP)
H319
Hazard statements
Code
Statements
H319
Causes serious eye irritation
Section 2
SECTION 2: Hazards identification
No 1272/2008 Classification of the substance or mixture
Signal word
WARNING.
Hazard pictograms
GHS07 (Exclamation mark) |
Hazard statements
H319 Causes serious eye irritation.
Response
P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. For containers not exceeding 125 ml the following Hazard and Precautionary statements may be used: No hazard statements are required for containers <=125 mL. No precautionary statements are required for containers <=125 mL.
Supplemental label elements
EUH208
Contains
1-Propanethiol, 3-(dimethoxymethylsilyl)-. | Formaldehyde, oligomeric reaction products with phenol. | bis-[4-(2,3-epoxipropoxi)phenyl]propane. | formaldehyde . May produce an allergic reaction. 78% of components with unknown hazards to the aquatic environment
2.3 Other hazards
None known. This material does not contain any substances that are assessed to be a PBT or vPvB
2.1 Classification of the substance or mixture
The retained CLP Regulation (EU) No 1272/2008 as amended for Great Britain The health and environmental classifications of this material have been derived using the calculation method, except in cases where test data are available or the physical form impacts classification. Classification(s) based on test data or physical form are noted below, if applicable. CLASSIFICATION: Serious Eye Damage/Eye Irritation, Category 2 - Eye Irrit. 2; H319 For full text of H phrases, see Section 16. 2.2. Label elements The retained CLP Regulation (EU) No 1272/2008 as amended for Great Britain SIGNAL WORD WARNING. Symbols GHS07 (Exclamation mark) | Pictograms HAZARD STATEMENTS: H319 Causes serious eye irritation. PRECAUTIONARY STATEMENTS Response: P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. For containers not exceeding 125 ml the following Hazard and Precautionary statements may be used: No hazard statements are required for containers <=125 mL. No precautionary statements are required for containers <=125 mL. SUPPLEMENTAL INFORMATION: Supplemental Hazard Statements: EUH208 Contains 1-Propanethiol, 3-(dimethoxymethylsilyl)-. | Formaldehyde, oligomeric reaction products with phenol. | bis-[4-(2,3-epoxipropoxi)phenyl]propane. | formaldehyde . May produce an allergic reaction. Contains 78% of components with unknown hazards to the aquatic environment. 2.3. Other hazards None known. This material does not contain any substances that are assessed to be a PBT or vPvB SECTION 3: Composition/information on ingredients 3.1. Substances Not applicable 3.2. Mixtures Ingredient Identifier(s) % Classification according to Regulation (EC) No. 1272/2008 [CLP], as amended for GB Propane, 1,2,3-trichloro-, polymer with (CAS-No.) 68611-50-7 70 - 80 Substance not classified as hazardous 1,1'-[methylenebis(oxy)]bis[2- chloroethane] and sodium sulfide (Na2(Sx)), reduced Calcium carbonate (CAS-No.) 471-34-1 15 - 25 Substance with a national occupational (EC-No.) 207-439-9 exposure limit Formaldehyde, polymer with 3-chloro-1- (CAS-No.) 28470-78-2 < 2 Substance not classified as hazardous propene and phenol [3-(2,3- (CAS-No.) 2530-83-8 < 2 Eye Dam. 1, H318 epoxypropoxy)propyl]trimethoxysilane (EC-No.) 219-784-2 Aquatic Chronic 3, H412 Siloxanes and Silicones, di-Me, reaction (CAS-No.) 67762-90-7 < 2 Substance with a national occupational products with silica exposure limit 1-Propanethiol, 3-(dimethoxymethylsilyl)- (CAS-No.) 31001-77-1 < 1 Acute Tox. 4, H302 (EC-No.) 250-426-8 Skin Sens. 1B, H317 Aquatic Chronic 2, H411 Formaldehyde, oligomeric reaction (CAS-No.) 9003-35-4 < 1 Skin Sens. 1, H317 products with phenol (EC-No.) 500-005-2 bis-[4-(2,3-epoxipropoxi)phenyl]propane (CAS-No.) 1675-54-3 < 1 Skin Irrit. 2, H315 (EC-No.) 216-823-5 Eye Irrit. 2, H319 Skin Sens. 1, H317 Aquatic Chronic 2, H411 formaldehyde (CAS-No.) 50-00-0 < 0.1 Acute Tox. 2, H330 (EC-No.) 200-001-8 EUH071 Acute Tox. 4, H302 Skin Corr. 1B, H314 Eye Dam. 1, H318 Skin Sens. 1A, H317 Muta. 2, H341 Carc. 1B, H350 Nota B,D,F Acute Tox. 3, H311 Please see section 16 for the full text of any H statements referred to in this section Specific Concentration Limits Ingredient Identifier(s) Specific Concentration Limits bis-[4-(2,3-epoxipropoxi)phenyl]propane (CAS-No.) 1675-54-3 (C >= 5%) Skin Irrit. 2, H315 (EC-No.) 216-823-5 (C >= 5%) Eye Irrit. 2, H319 formaldehyde (CAS-No.) 50-00-0 (C >= 25%)EUH071 (EC-No.) 200-001-8 (C >= 25%) Skin Corr. 1B, H314 (5% =< C < 25%) Skin Irrit. 2, H315 (C >= 25%) Eye Dam. 1, H318 (5% =< C < 25%) Eye Irrit. 2, H319 (5% =< C < 25%) STOT SE 3, H335 For information on ingredient occupational exposure limits or PBT or vPvB status, see sections 8 and 12 of this SDS