| Product Identification | Back to Contents | 【Product Name】
3-Hydroxy-2-methyl-4H-pyran-4-one | 【Synonyms】
2-Methyl-3-hydroxy-4-pyrone
2-Methyl-3-hydroxypyran-4-one
3-Hydroxy-2-methyl-4H-pyran-4-one
3-Hydroxy-2-methyl-4-pyrone
Larixic acid
Palatone | 【CAS】
118-71-8 | 【Formula】
C6H6O3 | 【Molecular Weight】
126.11 | 【EINECS】
204-271-8 | 【RTECS】
UQ1050000 | 【RTECS Class】
Drug; Mutagen; Primary Irritant | 【Merck】
13,5735 | 【Beilstein/Gmelin】
112169 | 【Beilstein Reference】
5-18-01-00114 | 【EC Class】
harmful |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
White crystalline powder with a fragrant caramel-butterscotch odor. | 【Solubility in water】
Slightly soluble | 【Boiling Point】
285 | 【Vapor Pressure】
0.0003 (25 C) | 【Density】
1.453 g/cm3 | 【pKa/pKb】
8.59 (pKa) | 【Partition Coefficient】
1.16 | 【Heat Of Vaporization】
60.8 kJ/mol | 【Usage】
Flavoring agent, to impart freshly bakedâ odor and flavor to bread and cakes. |
| First Aid Measures | Back to Contents | 【Ingestion】
Get medical aid. Wash mouth out with water. | 【Inhalation】
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. | 【Skin】
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. | 【Eyes】
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. |
| Handling and Storage | Back to Contents | 【Storage】
Store in a cool, dry place. Store in a tightly closed container. | 【Handling】
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. |
| Hazards Identification | Back to Contents | 【Ingestion】
Harmful if swallowed. | 【Inhalation】
Causes respiratory tract irritation. | 【Skin】
Causes skin irritation. | 【Eyes】
Causes eye irritation. | 【EC Risk Phrase】
R 22 | 【EC Safety Phrase】
S 22 36/37 |
| Exposure Controls/Personal Protection | Back to Contents | 【Personal Protection】
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. | 【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】
127 | 【Autoignition】
740 | 【Fire Fighting】
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam. |
|
| Company Name: |
J & K SCIENTIFIC LTD. |
| Tel: |
010-82848833 400-666-7788 |
| Fax: |
86-10-82849933 |
| WebSite: |
http://www.jkchemical.com |
|