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名称:2,3-二甲氧基苯甲酸
 

纯度:99% 包装:50Kg桶装
结构式
               

CAS:   1521-38-6
分子式:  C9H10O4
分子量:  182.17

中文名称:  2,3-二甲氧基苯甲酸

英文名称:  2,3-dimethoxy-benzoic acid
                     2,3-dimethoxybenzoic acid
                     2,3-Dimethoxy-benzoic acid

性质描述:  类白色结晶粉末,熔点122-124℃。

产品质量
外观     类白色结晶粉末
含量     ≥99%
熔点     121.5-123℃
水分     ≤0.5%

用途:  医药中间体。

其它信息:
Product Identification
【Product Name】2,3-Dimethoxybenzoic acid  2,3-二甲氧基苯甲酸
【CAS】1521-38-6
【Formula】C9H10O4
【Molecular Weight】182.18
【EINECS】216-188-4
【RTECS】DG8598700
【RTECS Class】Drug
【Beilstein/Gmelin】2210858
【Beilstein Reference】4-10-00-01415
 
Physical and Chemical Properties
【Appearance】Very slightly beige powder.
【Solubility in water】Very soluble
【Melting Point】121 - 124
【Boiling Point】314
【Vapor Pressure】6.60E-05 (25 C)
【Density】1.387 g/cm3
【pKa/pKb】3.97 (pKa)
【Partition Coefficient】1.34
【Heat Of Combustion】-4284 kJ/mol

First Aid Measures
【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.
【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.

Handling and Storage
【Storage】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. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.

Hazards Identification
【Ingestion】May cause irritation of the digestive tract. 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.
【Eyes】May cause eye irritation.
【EC Risk Phrase】R 36/37/38
【EC Safety Phrase】S 26 36

Exposure Controls/Personal Protection
【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 respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.

Fire Fighting Measures
【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. Extinguishing media: Use agent most appropriate to extinguish fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.

Accidental Release Measures
【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
【Disposal Code】4
【Incompatibilities】Oxidizing agents.
【Stability】Stable under normal temperatures and pressures.
【Decomposition】Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.

Transport Information
【HS Code】2918 90 90



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