| Product Identification | Back to Contents | 【Product Name】
3-Pyridinecarboxylic acid | 【Synonyms】
3-Pyridinecarboxylic acid
Niacin
Vitamin B3 | 【CAS】
59-67-6 | 【Formula】
C6H5NO2 | 【Molecular Weight】
123.11 | 【EINECS】
200-441-0 | 【RTECS】
QT0525000 | 【RTECS Class】
Drug; Human Data | 【Merck】
12,6612 | 【Beilstein/Gmelin】
109591 | 【Beilstein Reference】
5-22-02-00057 | 【EC Class】
irritant |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Odorless white crystalline powder with a feebly acid taste. | 【Solubility in water】
17 g/L | 【Melting Point】
142 | 【Boiling Point】
258 | 【Vapor Pressure】
0.00084 (25 C) | 【Density】
1.473 g/cm3 (20 C) | 【pKa/pKb】
2.17 (pKa) | 【Partition Coefficient】
.36 | 【Heat Of Vaporization】
| 【Heat Of Combustion】
-2731 kJ/mol | 【Usage】
One of the b vitamins. | 【Vapor Density】
4.25 | 【Refractive Index】
1.4936 |
| First Aid Measures | Back to Contents | 【Ingestion】
Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. 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 if cough or other symptoms appear. | 【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. 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. |
| Handling and Storage | Back to Contents | 【Storage】
Store in a cool, dry place. Store in a tightly closed container. | 【Handling】
Minimize dust generation and accumulation. Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Keep container tightly closed. Use only in a chemical fume hood. |
| Hazards Identification | Back to Contents | 【Ingestion】
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated. | 【Inhalation】
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. | 【Skin】
May cause skin irritation. Prolonged and/or repeated contact may cause irritation and/or dermatitis. The toxicological properties of this material have not been fully investigated. | 【Eyes】
May cause eye irritation. | 【EC Risk Phrase】
R 36 | 【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】
A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149. | 【Exposure limit(s)】
OEL-RUSSIA:STEL 1 mg/m3 | 【Poison Class】
4 |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
131 | 【Autoignition】
> 365 | 【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 spray, dry chemical, carbon dioxide, or chemical foam. Use agent most appropriate to extinguish fire. | 【Fire Potential】
This material is probably combustible. |
| Accidental Release Measures | Back to Contents | 【Small spills/leaks】
Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Provide ventilation. |
| Stability and Reactivity | Back to Contents | 【Stability】
Stable under normal temperatures and pressures. | 【Incompatibilities】
Strong oxidizing agents. | 【Decomposition】
Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. |
|
| Company Name: | J & K SCIENTIFIC LTD. |
| Tel: | 400-666-7788 +86-10-82848833 |
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| WebSite: | www.jkchemical.com |
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| WebSite: | www.meryer.com |
| Company Name: | Alfa Aesar |
| Tel: | 400-610-6006; 021-67582000 |
| Fax: | 021-67582001/03/05 |
| WebSite: | www.alfachina.cn |
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| Tel: | 4006990298 010-57411839 020-31335234 021-51691807 |
| Fax: | 010-87653215 0757-86311057 021-55236763 |
| WebSite: | www.hwrkchemical.com |
| Company Name: | Energy Chemical |
| Tel: | 021-58432009 / 400-005-6266 |
| Fax: | 021-58436166-800 |
| WebSite: | www.energy-chemical.com |
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