PART B: HT Hardener

Smooth-On, Inc

Revision date : 2025-03-28

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GHS07 GHS08 GHS05
Health risk rating 4
Safety risk rating 1
Environmental risk rating 1

Note: Ingredients listed on restricted chemical lists

EC/CAS

68479-98-1

Name of the chemical

Diethylmethylbenzenediamine 

Concentration

30-60

Listed in

EC/CAS

1761-71-3

Name of the chemical

bis(4-aminocyclohexyl)methane

Concentration

30-60

EC/CAS

111-40-0

Name of the chemical

2,2'-iminodi(ethylamine)

Concentration

15-40

EC/CAS

140-31-8

Name of the chemical

2-piperazin-1-ylethylamine

Concentration

0.1-1

Listed in

General Information

Revision date

2025-03-28

Product name

PART B: HT Hardener

Product Synonyms

None

1.2.1 Relevant identified uses

Epoxy Curative

Emergency telephone

1-800.255.3924, 1-813.248.0585

Icons in SDS

GHS05 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)

H302, H312, H314, H317, H373

Hazard statements

Code

Statements

H302

Harmful if swallowed

Section 2

SECTION 2: Hazards identification

Classification Acute toxicity - Oral Category 4 Acute toxicity - Dermal Category 4 Skin corrosion/irritation Category 1 Sub-category B Serious eye damage/eye irritation Category 1 Skin sensitization Category 1 Specific target organ toxicity (repeated exposure) Category 2 Hazards not otherwise classified (HNOC) Not applicable Label elements Danger Hazard statements H302 - Harmful if swallowed H312 - Harmful in contact with skin H314 - Causes severe skin burns and eye damage H317 - May cause an allergic skin reaction H373 - May cause damage to organs through prolonged or repeated exposure Precautionary Statements - Prevention Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product Do not breathe dust Contaminated work clothing must not be allowed out of the workplace Wear protective gloves Precautionary Statements - Response Immediately call a POISON CENTER or doctor Get medical advice/attention if you feel unwell Immediately call a POISON CENTER or doctor IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing IF ON SKIN: Wash with plenty of water and soap Call a POISON CENTER or doctor if you feel unwell Take off contaminated clothing and wash it before reuse IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower Wash contaminated clothing before reuse If skin irritation or rash occurs: Get medical advice/attention IF INHALED: Remove person to fresh air and keep comfortable for breathing Immediately call a POISON CENTER or doctor IF SWALLOWED: Call a POISON CENTER or doctor if you feel unwell Rinse mouth IF SWALLOWED: Rinse mouth. Do NOT induce vomiting Precautionary Statements - Storage Store locked up

Precautionary statements

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

Further information

Very toxic to aquatic life with long lasting effects.

2.1 Classification of the substance or mixture

Acute toxicity - Oral Category 4 Acute toxicity - Dermal Category 4 Skin corrosion/irritation Category 1 Sub-category B Serious eye damage/eye irritation Category 1 Skin sensitization Category 1 Specific target organ toxicity (repeated exposure) Category 2 Hazards not otherwise classified (HNOC) Not applicable

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