Note: Ingredients listed on restricted chemical lists
EC/CAS
5124-30-1
Name of the chemical
4,4'-methylenedicyclohexyl diisocyanate
Concentration
30-60
General Information
Version
32.00
Revision date
2026-09-17
Product name
3M 4430R Clear - Part A
1.2.1 Relevant identified uses
Part A of 4430R to be used with Part B only
supplier name
3M
Manufacturer Name
3M
Emergency telephone
1-800-364-3577, (651) 737-6501
Icons in SDS
Company Information
company name
3M
Hazard Codes
Hazard statements (CLP)
H226, H315, H317, H334, H361
Hazard statements
Code
Statements
H226
Flammable liquid and vapour
Section 2
SECTION 2: Hazards identification
Hazard classification Flammable Liquid: Category 3 Skin Corrosion/Irritation: Category 2 Respiratory Sensitizer: Category 1 Skin Sensitizer: Category 1 Reproductive Toxicity: Category 2
Hazard pictograms
Flame |Health Hazard |
Hazard statements
Flammable liquid and vapor. Causes skin irritation. May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause an allergic skin reaction. Suspected of damaging fertility or the unborn child.
Prevention
Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. Keep container tightly closed. Ground and bond container and receiving equipment. Use explosion-proof electrical, ventilating and lighting equipment. Use non-sparking tools. Take action to prevent static discharges. Avoid breathing vapors. Wash exposed skin thoroughly after handling. Contaminated work clothing should not be allowed out of the workplace. Wear protective gloves, eye protection, and face protection. In case of inadequate ventilation wear respiratory protection.
Response
IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower. IF INHALED: Remove person to fresh air and keep comfortable for breathing. IF exposed or concerned: Get medical attention. 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. In case of fire: Use a fire fighting agent suitable for flammable liquids such as dry chemical or carbon dioxide to extinguish.
Storage
Store in a well-ventilated place. Keep cool. Store locked up.
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. The health hazards of this material are not completely known. See the SDS. 45% of the mixture consists of ingredients of unknown acute oral toxicity. 45% of the mixture consists of ingredients of unknown acute dermal toxicity. 10% of the mixture consists of ingredients of unknown acute inhalation toxicity.
2.1 Classification of the substance or mixture
Flammable Liquid: Category 3. Skin Corrosion/Irritation: Category 2. Respiratory Sensitizer: Category 1. Skin Sensitizer: Category 1. Reproductive Toxicity: Category 2. 2.2. Label elements Signal word Danger Symbols Flame |Health Hazard | Pictograms Hazard Statements Flammable liquid and vapor. Causes skin irritation. May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause an allergic skin reaction. Suspected of damaging fertility or the unborn child. Precautionary statements Prevention: Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. Keep container tightly closed. Ground and bond container and receiving equipment. Use explosion-proof electrical, ventilating and lighting equipment. Use non-sparking tools. Take action to prevent static discharges. Avoid breathing vapors. Wash exposed skin thoroughly after handling. Contaminated work clothing should not be allowed out of the workplace. Wear protective gloves, eye protection, and face protection. In case of inadequate ventilation wear respiratory protection. Response: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower. IF INHALED: Remove person to fresh air and keep comfortable for breathing. IF exposed or concerned: Get medical attention. 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. In case of fire: Use a fire fighting agent suitable for flammable liquids such as dry chemical or carbon dioxide to extinguish. Storage: Store in a well-ventilated place. Keep cool. Store locked up. 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. The health hazards of this material are not completely known. See the SDS. 45% of the mixture consists of ingredients of unknown acute oral toxicity. 45% of the mixture consists of ingredients of unknown acute dermal toxicity. 10% of the mixture consists of ingredients of unknown acute inhalation toxicity. SECTION 3: Composition/information on ingredients Ingredient C.A.S. No. % by Wt