Note: Ingredients listed on restricted chemical lists
EC/CAS
78-59-1
Name of the chemical
3,5,5-Trimethyl-2-cyclohexen-1-on
Concentration
>= 90 - <= 100
General Information
Version
8.12
Revision date
2025-11-06
Product name
Isophorone
CAS No.
78-59-1
1.2.1 Relevant identified uses
Laboratory chemicals, Synthesis of substances
Emergency telephone
800-424-9300, +1-703- 527-3887
Icons in SDS
Company Information
company name
Sigma-Aldrich Inc
GHS Information
Signal word
Warning
Hazard Codes
Hazard statements (CLP)
H302+H312, H319, H335, H351
Hazard statements
Code
Statements
H302+H312
Harmful if swallowed or in contact with skin
Section 2
SECTION 2: Hazards identification
Other hazards
None known
Signal word
Warning
Hazard statements
H302 + H312 Harmful if swallowed or in contact with skin. H319 Causes serious eye irritation. H335 May cause respiratory irritation. H351 Suspected of causing cancer.
Prevention
P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P261 Avoid breathing mist or vapours. P264 Wash skin thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection.
Response
P301 + P312 + P330 IF SWALLOWED: Call a POISON CENTER/ doctor if you feel unwell. Rinse mouth. P302 + P352 + P312 IF ON SKIN: Wash with plenty of water. Call a POISON CENTER/ doctor if you feel unwell. P304 + P340 + P312 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/ doctor if you feel unwell. P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P308 + P313 IF exposed or concerned: Get medical advice/ attention. P337 + P313 If eye irritation persists: Get medical P363 Wash contaminated clothing before reuse.
Storage
P403 + P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up.
Disposal
P501 Dispose of contents/ container to an approved waste disposal plant.
2.1 Classification of the substance or mixture
(29 CFR 1910.1200) Hazards for the product as supplied Acute toxicity (Oral) : Category 4 Acute toxicity (Dermal) : Category 4 Eye irritation : Category 2A Carcinogenicity : Category 2 Specific target organ : Category 3 (Respiratory system) toxicity - single exposure Other hazards