| Product Identification | Back to Contents | 【Product Name】
2-Hydroxy-3-naphthoic acid | 【Synonyms】
3-Hydroxynaphthalene-2-carboxylic acid
3-Naphthol-2-carboxylic acid
beta-Oxynaphthoic acid
Developer BON
Miketazol Developer ONS
Naphthol B.O.N. | 【CAS】
92-70-6 | 【Formula】
C11H8O3 | 【Molecular Weight】
188.18 | 【EINECS】
202-180-8 | 【RTECS】
QL1755000 | 【RTECS Class】
Drug | 【Merck】
13,4860 | 【Beilstein/Gmelin】
744100 | 【Beilstein Reference】
4-10-00-01184 | 【EC Class】
irritant |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Very pale yellow crystals. | 【Solubility in water】
Very soluble | 【Melting Point】
217 - 220 | 【Boiling Point】
368 | 【Vapor Pressure】
5E-6 (25 C) | 【pKa/pKb】
3.02 (pKa) | 【Partition Coefficient】
3.29 | 【Heat Of Vaporization】
64.8 kJ/mol | 【Heat Of Combustion】
-4950 kJ/mol | 【Usage】
Dyes & pigments. |
| First Aid Measures | Back to Contents | 【Ingestion】
Never give anything by mouth to an unconscious person. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. Get medical aid if irritation or symptoms occur. | 【Inhalation】
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear. | 【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】
Immediately 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. Keep container closed when not in use. | 【Handling】
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. |
| Hazards Identification | Back to Contents | 【Ingestion】
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. | 【Inhalation】
May cause respiratory tract irritation. | 【Skin】
Causes skin irritation. | 【Eyes】
Causes eye irritation. | 【EC Risk Phrase】
R 22 36/37/38 | 【EC Safety Phrase】
S 26 36/37/39 |
| 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 and clothing 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. | 【Poison Class】
4 |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
190 | 【Autoignition】
>400 | 【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. Use agent most appropriate to extinguish fire. |
| 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. Avoid generating dusty conditions. Provide ventilation. |
| Stability and Reactivity | Back to Contents | 【Disposal Code】
4 | 【Stability】
Stable under normal temperatures and pressures. | 【Incompatibilities】
Strong oxidizing agents. | 【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 |
| Company Name: |
Alfa Aesar |
| Tel: |
400-6106006 |
| Fax: |
021-67582001/03/05 |
| WebSite: |
http://chemicals.thermofisher.cn |
| Company Name: |
TAIYUAN RHF CO.,LTD. |
| Tel: |
+86 351 7031519 |
| Fax: |
+86 351 7031519 |
| WebSite: |
www.rhfchem.com |
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