Note: Ingredients listed on restricted chemical lists
EC/CAS
5124-30-1
Name of the chemical
4,4'-methylenedicyclohexyl diisocyanate
Concentration
70-90
General Information
Version
5.00
Revision date
2025-05-11
Product name
3M Scotch-Weld Repair Paste 2110 B/A Part A
1.2.1 Relevant identified uses
Part A of two component Polyurethane Protective Tape Repair Paste, Industrial use
supplier name
3M
Manufacturer Name
3M
Emergency telephone
1-800-364-3577, (651) 737-6501
Icons in SDS
Company Information
company name
3M
Section 2
SECTION 2: Hazards identification
Hazard classification Skin Corrosion/Irritation: Category 2 Respiratory Sensitizer: Category 1 Skin Sensitizer: Category 1
Hazard statements
Causes skin irritation. May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause an allergic skin reaction.
Prevention
Avoid breathing vapors. Wash exposed skin thoroughly after handling. Contaminated work clothing should not be allowed out of the workplace. Wear protective gloves. In case of inadequate ventilation wear respiratory protection.
Response
IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove person to fresh air and keep comfortable for breathing. If experiencing respiratory symptoms or if skin irritation or rash occurs: Call a POISON CENTER or doctor. 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.
Additional information
Persons previously sensitized to isocyanates may develop a cross-sensitization reaction to other isocyanates. 90% of the mixture consists of ingredients of unknown acute oral toxicity.
2.1 Classification of the substance or mixture
Skin Corrosion/Irritation: Category 2. Respiratory Sensitizer: Category 1. Skin Sensitizer: Category 1. 2.2. Label elements Signal word Danger Symbols Health Hazard | Pictograms Hazard Statements Causes skin irritation. May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause an allergic skin reaction. Precautionary statements Prevention: Avoid breathing vapors. Wash exposed skin thoroughly after handling. Contaminated work clothing should not be allowed out of the workplace. Wear protective gloves. In case of inadequate ventilation wear respiratory protection. Response: IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove person to fresh air and keep comfortable for breathing. If experiencing respiratory symptoms or if skin irritation or rash occurs: Call a POISON CENTER or doctor. 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. Supplemental Information: Persons previously sensitized to isocyanates may develop a cross-sensitization reaction to other isocyanates. 90% of the mixture consists of ingredients of unknown acute oral toxicity. SECTION 3: Composition/information on ingredients Ingredient C.A.S. No. % by Wt POLYURETHANE PREPOLYMER Trade Secret* 70 - 90 METHYLENEBIS(4-CYCLOHEXYL ISOCYANATE) 5124-30-1 7 - 13 Trade Secret * HEXAMETHYLENE DIISOCYANATE POLYMER 28182-81-2 1 - 5 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: Flush with large amounts of water. Remove contact lenses if easy to do. Continue rinsing. If signs/symptoms persist, get medical attention. If Swallowed