| Product Identification | Back to Contents | 【Product Name】
7-Hydroxycoumarin | 【Synonyms】
7-Hydroxy-2H-1-benzopyran-2-one
7-Hydroxy-2H-chromen-2-one
7-Hydroxycoumarin
7-Oxycoumarin
Skimmetine
Umbelliferone | 【CAS】
93-35-6 | 【Formula】
C9H6O3 | 【Molecular Weight】
162.15 | 【EINECS】
202-240-3 | 【RTECS】
GN6820000 | 【RTECS Class】
Mutagen | 【Merck】
12,9981 | 【Beilstein/Gmelin】
127683 | 【Beilstein Reference】
5-18-01-00386 |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Slightly beige solid. | 【Solubility in water】
Slightly soluble | 【Melting Point】
204 - 206 | 【Boiling Point】
382 | 【Vapor Pressure】
2E-6 (25 C) | 【pKa/pKb】
9.16 (pKa) | 【Partition Coefficient】
.83 | 【Heat Of Vaporization】
65.5 kJ/mol | 【Usage】
Substance is used in sunscreen lotions and creams. |
| First Aid Measures | Back to Contents | 【Ingestion】
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately. | 【Inhalation】
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. | 【Skin】
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists. | 【Eyes】
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. |
| Handling and Storage | Back to Contents | 【Storage】
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. | 【Handling】
Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. |
| Hazards Identification | Back to Contents | 【Ingestion】
The toxicological properties of this substance have not been fully investigated. | 【Inhalation】
The toxicological properties of this substance have not been fully investigated. Inhalation of dust may cause respiratory tract irritation. | 【Skin】
No information regarding skin irritation and other potential effects was found. | 【Eyes】
No information regarding eye irritation and other potential effects was found. | 【EC Risk Phrase】
R 36/37/38 | 【EC Safety Phrase】
S 26 36 |
| Exposure Controls/Personal Protection | Back to Contents | 【Personal Protection】
Eyes: Wear safety glasses and chemical goggles if splashing is possible. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin. | 【Respirators】
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary. |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
181 | 【Fire Fighting】
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Use agent most appropriate to extinguish fire. |
|
| Company Name: |
J & K SCIENTIFIC LTD. |
| Tel: |
18210857532 18210857532 |
| Fax: |
86-10-82849933 |
| WebSite: |
www.jkchemical.com |
| Company Name: |
Alfa Aesar |
| Tel: |
400-6106006 |
| Fax: |
021-67582001/03/05 |
| WebSite: |
http://chemicals.thermofisher.cn |
|