| Product Identification | Back to Contents | 【Product Name】
3-Methylbenzoic acid | 【Synonyms】
3-Methylbenzoic acid
b-Methylbenzoic acid
m-Methylbenzoic acid | 【CAS】
99-04-7 | 【Formula】
C8H8O2 | 【Molecular Weight】
136.15 | 【EINECS】
202-723-9 | 【RTECS】
XU1200000 | 【RTECS Class】
Drug | 【Merck】
12,9673 | 【Beilstein/Gmelin】
970526 | 【Beilstein Reference】
4-09-00-01712 | 【EC Class】
irritant |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
White to yellowish crystals or mostly yellow flaky solid (with some white flakes). Has a floral-honey odor. | 【Solubility in water】
Very soluble | 【Melting Point】
108 - 111 | 【Boiling Point】
263 | 【Vapor Pressure】
0.005 (25 C) | 【Density】
1.054 g/cm3 (20 C) | 【pKa/pKb】
4.27 (pKa) | 【Partition Coefficient】
2.36 | 【Heat Of Vaporization】
53.0 kJ/mol | 【Usage】
Precursor to deet (n,n diethyl-m-toluamide) the well-known insect repellent. | 【Refractive Index】
1.50367 (111.6 C) |
| 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. | 【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】
Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. | 【Handling】
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. 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. | 【Skin】
May cause skin irritation. | 【Eyes】
May cause 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 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. | 【Poison Class】
4 |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
120 | 【Autoignition】
500 | 【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 appropriate foam. | 【Fire Potential】
This material is probably combustible. |
| Accidental Release Measures | Back to Contents | 【Small spills/leaks】
Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Provide ventilation. |
| Stability and Reactivity | Back to Contents | 【Disposal Code】
4 | 【Incompatibilities】
Oxidizing agents. | 【Stability】
Stable under normal temperatures and pressures. | 【Decomposition】
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, acrid smoke and fumes. |
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