General Information
Version
8.3
Revision date
2026-01-26
Product name
4-Hydroxy-6,8-dimethyl-2H-chromen-2-one
CAS No.
55004-76-7
1.2.1 Relevant identified uses
Laboratory chemicals, Synthesis of substances
1.2.2. Uses advised against
The product is being supplied under the TSCA R&D Exemption
Emergency telephone
800-424-9300, +1-703- 527-3887
Icons in SDS
Company Information
company name
Sigma-Aldrich Inc
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H301, H310, H317, H400
Hazard statements
Code
Statements
H301
Toxic if swallowed
Section 2
SECTION 2: Hazards identification
Other hazards
None known
Signal word
Danger
Hazard statements
H301 Toxic if swallowed. H310 Fatal in contact with skin. H317 May cause an allergic skin reaction. H400 Very toxic to aquatic life.
Prevention
P261 Avoid breathing dust. P262 Do not get in eyes, on skin, or on clothing. P264 Wash skin thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P272 Contaminated work clothing must not be allowed out of the workplace. P273 Avoid release to the environment. P280 Wear protective gloves/ protective clothing.
Response
P301 + P310 + P330 IF SWALLOWED: Immediately call a POISON CENTER/ doctor. Rinse mouth. P302 + P350 + P310 IF ON SKIN: Gently wash with plenty of soap and water. Immediately call a POISON CENTER or doctor/ physician. P302 + P352 IF ON SKIN: Wash with plenty of soap and water. P333 + P313 If skin irritation or rash occurs: Get medical advice/ attention. P362 Take off contaminated clothing and wash before reuse. P391 Collect spillage.
Storage
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 3 Acute toxicity (Dermal) : Category 1 Skin sensitisation : Category 1 Short-term (acute) : Category 1 aquatic hazard Other hazards
