Note: Ingredients listed on restricted chemical lists
EC/CAS
5124-30-1
Name of the chemical
4,4'-methylenedicyclohexyl diisocyanate
Concentration
50-80 15-30
General Information
Version
2.01
Revision date
2025-09-01
Product name
3M Scotch-Weld Repair Paste 2220 B/A Part A
1.2.1 Relevant identified uses
Part A of two component Polyurethane Protective Tape Repair Paste, For industrial or professional use only
supplier name
3M Technologies (S) Pte Ltd
Emergency telephone
+65 6591 6601
Icons in SDS
Company Information
company name
3M Technologies (S) Pte Ltd
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H315, H317, H334, H335
Hazard statements
Code
Statements
H315
Causes skin irritation
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture Skin Corrosion/Irritation: Category 2 Respiratory Sensitizer: Category 1 Skin Sensitizer: Category 1 Specific Target Organ Toxicity (single exposure): Category 3
Hazard pictograms
Exclamation mark |Health Hazard |
Hazard statements
H315 Causes skin irritation. H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled. H317 May cause an allergic skin reaction. H335 May cause respiratory irritation.
Prevention
P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P280E Wear protective gloves.
Response
P304 + P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P333 + P313 If skin irritation or rash occurs: Get medical attention. P342 + P311 If experiencing respiratory symptoms: Call a POISON CENTER or doctor.
2.3 Other hazards
Persons previously sensitised to isocyanates may develop a cross-sensitisation reaction to other isocyanates.
2.1 Classification of the substance or mixture
Skin Corrosion/Irritation: Category 2. Respiratory Sensitizer: Category 1. Skin Sensitizer: Category 1. Specific Target Organ Toxicity (single exposure): Category 3. 2.2. Label elements SIGNAL WORD DANGER! Symbols Exclamation mark |Health Hazard | Pictograms HAZARD STATEMENTS H315 Causes skin irritation. H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled. H317 May cause an allergic skin reaction. H335 May cause respiratory irritation. PRECAUTIONARY STATEMENTS Prevention: P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P280E Wear protective gloves. Response: P304 + P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P333 + P313 If skin irritation or rash occurs: Get medical attention. P342 + P311 If experiencing respiratory symptoms: Call a POISON CENTER or doctor. 2.3. Other hazards Persons previously sensitised to isocyanates may develop a cross-sensitisation reaction to other isocyanates. SECTION 3: Composition/information on ingredients This material is a mixture. Ingredient CAS Nbr % by Wt Polyurethane Prepolymer Trade Secret 50 - 80 Dicyclohexylmethane-4,4'-diisocyanate 5124-30-1 15 - 30 Hexamethylene diisocyanate polymer 28182-81-2 5 - 15 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 If exposed, flush eyes with large amounts of water. Remove contact lenses if easy to do. Continue rinsing. If signs/symptoms develop, get