| Product Identification | Back to Contents | 【Product Name】
beta-Resorcylic acid | 【Synonyms】
2,4-DHBA
2,4-Dihydroxybenzoic acid
4-Carboxyresorcinol
4-Hydroxysalicylic acid
Coupler 320
p-Hydroxysalicylic acid | 【CAS】
89-86-1 | 【Formula】
C7H6O4 | 【Molecular Weight】
154.12 | 【EINECS】
201-946-9 | 【RTECS】
VH3708050 | 【RTECS Class】
Reproductive Effector | 【Merck】
12,8325 | 【Beilstein/Gmelin】
1946213 | 【Beilstein Reference】
4-10-00-01420 |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
White to off-white crystalline powder. | 【Solubility in water】
Very soluble | 【Melting Point】
218 - 220 | 【Boiling Point】
390 | 【Vapor Pressure】
9E-7 (25 C) | 【Density】
1.54 g/cm3 | 【pKa/pKb】
3.32 (pKa) | 【Partition Coefficient】
1.6 | 【Heat Of Vaporization】
67.4 kJ/mol | 【Heat Of Combustion】
-2834 kJ/mol | 【Usage】
Intermediate for dyestuffs and drugs. |
| 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】
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. | 【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 cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed. | 【Handling】
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. |
| Hazards Identification | Back to Contents | 【Ingestion】
May cause irritation of the digestive tract. | 【Inhalation】
May cause respiratory tract irritation. May cause irritation of the mucous membranes. | 【Skin】
Causes skin irritation. | 【Eyes】
Causes eye irritation. | 【EC Risk Phrase】
R 36/37/38 | 【EC Safety Phrase】
S 26 36 |
| 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】
204 | 【Fire Fighting】
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam. |
| Accidental Release Measures | Back to Contents | 【Small spills/leaks】
Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Provide ventilation. |
| Stability and Reactivity | Back to Contents | 【Disposal Code】
4 | 【Stability】
Stable under normal temperatures and pressures. | 【Incompatibilities】
Strong oxidizing agents - strong bases. | 【Decomposition】
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. |
|
| Company Name: |
J & K SCIENTIFIC LTD. |
| Tel: |
010-82848833 400-666-7788 |
| Fax: |
86-10-82849933 |
| WebSite: |
http://www.jkchemical.com |
|