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名称:5-氯水杨酸甲酯
 

纯度:≥99.0 包装:25kg/桶

CAS:        4068-78-4
分子式:    C8H7ClO3
分子量:    186.59

中文名称: 5-氯水杨酸甲酯

英文名称: 5-chloro-2-hydroxy-benzoicacimethylester
                  
Methyl  5-chloro-2-hydroxybenzoate

性质描述: 白色或微红针状结晶,熔点45.0-48.0℃, 闪点>230 °F

质量标准: 
外观         白色或微红针状结晶
含量          ≥99.0%
熔点          45.0-48.0℃
酸值          ≤0.20%
重金属      ≤20ppm
灼烧残渣  ≤0.15%

用途: 医药中间体,用于药物合成。

其它信息:

Product Identification
【Product Name】Methyl 5-chlorosalicylate
【Synonyms】5-氯水杨酸甲酯
【CAS】4068-78-4
【Formula】C8H7ClO3
【Molecular Weight】186.59
【EINECS】223-778-5

Physical and Chemical Properties
【Appearance】Solid.
【Solubility in water】Insoluble
【Melting Point】42 - 43℃
【Boiling Point】261℃
【Vapor Pressure】0.0075 (25℃)
【Density】1.354 g/cm3 (20℃)
【pKa/pKb】9.31 (pKa)
【Partition Coefficient】3.24
【Heat Of Vaporization】51.8 kJ/mol

First Aid Measures
【Ingestion】Seek medical treatment.
【Inhalation】Supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice.
【Skin】Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.
【Eyes】Rinse opened eye for several minutes under running water. Then consult a doctor.

Handling and Storage
【Storage】Keep container tightly sealed. Store in cool, dry conditions in well sealed containers.

Exposure Controls/Personal Protection
【Personal Protection】Protective work clothing. Chemical protective gloves. Safety glasses or goggles.
【Exposure Effects】Causes irritation of the eyes, skin and mucous membranes.

Fire Fighting Measures
【Flash Point】111
【Fire Fighting】Extinguish with carbon dioxide, extinguishing powder or water spray. Fight larger fires with water spray or alcohol resistant foam. Wear self-contained respirator. Wear fully protective impervious suit.

Stability and Reactivity
【Stability】Decomposition will not occur if used and stored according to specifications.
【Incompatibilities】Oxidizing agents.
【Combustion Products】Carbon monoxide and carbon dioxide. Hydrogen chloride (HCl).

Hazards Identification
【EC Risk Phrase】R: 36/37/38
【EC Safety Phrase】S: 26 37



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