| Product Identification | Back to Contents | 【Product Name】
1-Amino-4-carboxybenzene | 【Synonyms】
1-Amino-4-carboxybenzene
p-Aminobenzoic acid | 【CAS】
150-13-0 | 【Formula】
C7H7NO2 | 【Molecular Weight】
137.13999999999999 | 【EINECS】
205-753-0 | 【RTECS】
DG1400000 | 【RTECS Class】
Tumorigen; Mutagen; Reproductive Effector | 【Merck】
13,422 | 【Beilstein/Gmelin】
471605 | 【Beilstein Reference】
4-14-00-01126 |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
White to tan crystalline powder. | 【Solubility in water】
Very soluble | 【Melting Point】
188 | 【Boiling Point】
340 | 【Vapor Pressure】
3E-5 (25 C) | 【Density】
1.45 g/cm3 (20 C) | 【pKa/pKb】
4.65 (pKa) | 【Partition Coefficient】
.01 | 【Heat Of Vaporization】
61.6 kJ/mol | 【Usage】
Manufacture of various esters (local anesthetics), folic acid, and azo dyes,. Used in laboratories as sulfonamide antagonist. | 【Refractive Index】
1.5795 |
| 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. | 【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 if irritation develops or persists. Wash clothing before reuse. Flush skin with plenty of soap and water. | 【Eyes】
Immediately 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】
Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. | 【Handling】
Wash thoroughly after handling. Wash hands before eating. 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 | 【Inhalation】
May cause respiratory tract irritation. | 【Skin】
May cause skin irritation. | 【Eyes】
May cause eye irritation. | 【Ingestion】
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. Overexposure may cause methemoglobinemia. | 【EC Risk Phrase】
R 36/37/38 42/43 | 【EC Safety Phrase】
S 22 26 36/37/39 45 | 【UN (DOT)】
3335 |
| 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. | 【Exposure Effects】
May cause reproductive and fetal effects. Cancer suspect agent. | 【Poison Class】
4 |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
159 | 【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】
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. Darkens upon exposure to light, air or moisture. | 【Decomposition】
Carbon monoxide, oxides of nitrogen, carbon dioxide. |
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