Part A

Smooth-On, Inc

Revision date : 2025-06-12

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GHS08 GHS07
Health risk rating 5
Safety risk rating 1
Environmental risk rating 1

Note: Ingredients listed on restricted chemical lists

EC/CAS

101-68-8

Name of the chemical

4,4’-Methylenediphenyl diisocyanate

Concentration

30-60

EC/CAS

6846-50-0

Name of the chemical

2,2,4-trimethyl-1,3-pentanediol diisobutyrate

Concentration

30-60

EC/CAS

5873-54-1

Name of the chemical

2,4’-Methylenediphenyl diisocyanate

Concentration

1-5

EC/CAS

128-37-0

Name of the chemical

2,6-di-tert-butyl-p-cresol

Concentration

0.1-1

General Information

Version

1.01

Revision date

2025-06-12

Product name

Part A

Product Synonyms

None

1.2.1 Relevant identified uses

Polyurethane Elastomer

Emergency telephone

1-800.255.3924, 1-813.248.0585

Icons in SDS

GHS07 GHS08

Company Information

company name

Smooth-On, Inc

e-mail address of the competent person responsible for the Safety Data Sheet

sds@smooth-on.com

GHS Information

Signal word

Danger

Hazard Codes

Hazard statements (CLP)

H315, H317, H319, H332, H334, H335, H351, H373

Hazard statements

Code

Statements

H315

Causes skin irritation

Section 2

SECTION 2: Hazards identification

Classification Acute toxicity - Inhalation (Dusts/Mists) Category 4 Skin corrosion/irritation Category 2 Serious eye damage/eye irritation Category 2A Respiratory sensitization Category 1 Skin sensitization Category 1 Carcinogenicity Category 2 Specific target organ toxicity (single exposure) Category 3 Specific target organ toxicity (repeated exposure) Category 2 Hazards not otherwise classified (HNOC) Not applicable Label elements Danger Hazard statements H315 - Causes skin irritation H317 - May cause an allergic skin reaction H319 - Causes serious eye irritation H332 - Harmful if inhaled H334 - May cause allergy or asthma symptoms or breathing difficulties if inhaled H335 - May cause respiratory irritation H351 - Suspected of causing cancer H373 - May cause damage to organs through prolonged or repeated exposure Precautionary Statements - Prevention Obtain special instructions before use Do not handle until all safety precautions have been read and understood Wear protective gloves, protective clothing, eye protection and face protection Use only outdoors or in a well-ventilated area Wash face, hands and any exposed skin thoroughly after handling In case of inadequate ventilation wear respiratory protection Contaminated work clothing must not be allowed out of the workplace Do not breathe dust Precautionary Statements - Response IF exposed or concerned: Get medical advice/attention IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing If eye irritation persists: Get medical advice/attention IF ON SKIN: Wash with plenty of water and soap Take off contaminated clothing and wash it before reuse If skin irritation or rash occurs: Get medical advice/attention IF INHALED: Remove person to fresh air and keep comfortable for breathing If experiencing respiratory symptoms: Call a POISON CENTER or doctor Precautionary Statements - Storage Store locked up Store in a well-ventilated place. Keep container tightly closed

Precautionary statements

Disposal Dispose of contents and container in accordance with local, regional, national, and international regulations as applicable.

Further information

May be harmful in contact with skin. Toxic to aquatic life with long lasting effects.

2.1 Classification of the substance or mixture

Acute toxicity - Inhalation (Dusts/Mists) Category 4 Skin corrosion/irritation Category 2 Serious eye damage/eye irritation Category 2A Respiratory sensitization Category 1 Skin sensitization Category 1 Carcinogenicity Category 2 Specific target organ toxicity (single exposure) Category 3 Specific target organ toxicity (repeated exposure) Category 2 Hazards not otherwise classified (HNOC) Not applicable

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