Note: Ingredients listed on restricted chemical lists
EC/CAS
215-202-6/1313-13-9
Name of the chemical
Manganese dioxide
Concentration
30-50
EC/CAS
262-967-7/61788-32-7
Name of the chemical
Terphenyl, hydrogenated
Concentration
30-45
EC/CAS
231-791-2/7732-18-5
Name of the chemical
Water, distilled, conductivity or of similar purity H2O
Concentration
0.1-3
EC/CAS
215-609-9/1333-86-4
Name of the chemical
carbon black
Concentration
0.1-3
EC/CAS
215-185-5/1310-73-2
Name of the chemical
sodium hydroxide
Concentration
<2
EC/CAS
231-100-4/7439-92-1
Name of the chemical
Blei, massiv: [Partikeldurchmesser ≥ 1 mm]
Concentration
<=0.06
EC/CAS
500-209-1/68412-54-4
Name of the chemical
Nonylphenolethoxylates (NPEO)
Concentration
<0.02
General Information
Version
13.01
Revision date
2026-09-02
Product name
3M Aerospace Sealant AC-251 Black B-2 Catalyst
1.2.1 Relevant identified uses
Hardener
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)
H302, H315, H319, H373, H400, H410
Hazard statements
Code
Statements
H302
Harmful if swallowed
Section 2
SECTION 2: Hazards identification
No 1272/2008 Classification of the substance or mixture
Signal word
WARNING.
Hazard pictograms
GHS07 (Exclamation mark) |GHS08 (Health Hazard) |GHS09 (Environment) | Ingredient Identifier(s) EC No. % by Wt manganese dioxide 1313-13-9 215-202-6 30 - 50
Hazard statements
H302 Harmful if swallowed. H315 Causes skin irritation. H319 Causes serious eye irritation. H373 May cause damage to organs through prolonged or repeated exposure: nervous system. H410 Very toxic to aquatic life with long lasting effects.
Prevention
P260A Do not breathe vapours. P273 Avoid release to the environment. P280 Wear protective gloves and eye protection. P260A Do not breathe vapours. P280 Wear protective gloves and eye protection. 10% of the mixture consists of components of unknown acute oral toxicity.
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. P391 Collect spillage. For containers not exceeding 125 ml the following Hazard and Precautionary statements may be used: <=125 ml Precautionary statements
Contains
49% of components with unknown hazards to the aquatic environment
2.3 Other hazards
Contains a substance identified as an endocrine disrupter in the list established in accordance with REACH Article 59(1), as amended by UK REACH Regulations SI 2019/758 Contains a substance that meets the criteria for vPvB according to
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: Acute Toxicity, Category 4 - Acute Tox. 4; H302 Skin Corrosion/Irritation, Category 2 - Skin Irrit. 2; H315 Serious Eye Damage/Eye Irritation, Category 2 - Eye Irrit. 2; H319 Specific Target Organ Toxicity-Repeated Exposure, Category 2 - STOT RE 2; H373 Hazardous to the Aquatic Environment (Acute), Category 1 - Aquatic Acute 1; H400 Hazardous to the Aquatic Environment (Chronic), Category 1 - Aquatic Chronic 1; H410 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) |GHS08 (Health Hazard) |GHS09 (Environment) | Pictograms Ingredient Identifier(s) EC No. % by Wt manganese dioxide 1313-13-9 215-202-6 30 - 50 HAZARD STATEMENTS: H302 Harmful if swallowed. H315 Causes skin irritation. H319 Causes serious eye irritation. H373 May cause damage to organs through prolonged or repeated exposure: nervous system. H410 Very toxic to aquatic life with long lasting effects. PRECAUTIONARY STATEMENTS Prevention: P260A Do not breathe vapours. P273 Avoid release to the environment. P280 Wear protective gloves and eye protection. 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. P391 Collect spillage. For containers not exceeding 125 ml the following Hazard and Precautionary statements may be used: <=125 ml Precautionary statements Prevention: P260A Do not breathe vapours. P280 Wear protective gloves and eye protection. 10% of the mixture consists of components of unknown acute oral toxicity. Contains 49% of components with unknown hazards to the aquatic environment. 2.3. Other hazards Contains a substance identified as an endocrine disrupter in the list established in accordance with REACH Article 59(1), as amended by UK REACH Regulations SI 2019/758 Contains a substance that meets the criteria for vPvB according to Regulation (EC) No 1907/2006, Annex XIII, as amended by UK REACH Regulations SI 2019/758 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 manganese dioxide (CAS-No.) 1313-13-9 30 - 50 Acute Tox. 4, H332 (EC-No.) 215-202-6 Acute Tox. 4, H302 EUH031 STOT RE 2, H373 Hydrogenated terphenyl (CAS-No.) 61788-32-7 30 - 45 Aquatic Chronic 2, H411 (EC-No.) 262-967-7 Zeolites (CAS-No.) 1318-02-1 5 - 10 Substance with a national occupational (EC-No.) 215-283-8 exposure limit Polyphenyls, quater- and higher, partially (CAS-No.) 68956-74-1 1 - 10 Substance not classified as hazardous hydrogenated (EC-No.) 273-316-1 Terphenyl (CAS-No.) 26140-60-3 1 - 5 Aquatic Acute 1, H400,M=10 (EC-No.) 247-477-3 Aquatic Chronic 1, H410,M=10 Water (CAS-No.) 7732-18-5