Note: Ingredients listed on restricted chemical lists
EC/CAS
91-64-5
Name of the chemical
2H-1-Benzopyran-2-one
Concentration
N/A
General Information
Version
6.9
Revision date
2025-04-28
Product name
Coumarin
CAS No.
91-64-5
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+H311, H317
Hazard statements
Code
Statements
H301+H311
Toxic if swallowed or in contact with skin
Section 2
SECTION 2: Hazards identification
Other hazards
None known
Signal word
Danger
Hazard statements
H301 + H311 Toxic if swallowed or in contact with skin. H317 May cause an allergic skin reaction.
Prevention
P261 Avoid breathing dust. 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. P280 Wear protective gloves/ protective clothing.
Response
P301 + P310 + P330 IF SWALLOWED: Immediately call a POISON CENTER/ doctor. Rinse mouth. P302 + P352 + P312 IF ON SKIN: Wash with plenty of water.Call a POISON CENTER/ doctor if you feel unwell. P333 + P313 If skin irritation or rash occurs: Get medical advice/ attention. P362 Take off contaminated clothing and wash before reuse.
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) Acute toxicity (Oral) : Category 3 Acute toxicity (Dermal) : Category 3 Skin sensitization : Category 1 Other hazards
