CAS: 4068-78-4
分子式: C8H7ClO3
分子量: 186.59
中文名稱: 5-氯水楊酸甲酯
英文名稱: 5-chloro-2-hydroxy-benzoicacimethylester
Methyl 5-chloro-2-hydroxybenzoate
性質描述: 白色或微紅針狀結晶，熔點45.0－48.0℃, 閃點>230 °F。
質量標準:
外觀 白色或微紅針狀結晶
含量 ≥99.0%
熔點 45.0－48.0℃
酸值 ≤0.20%
重金屬 ≤20ppm
灼燒殘渣 ≤0.15%
用途: 醫藥中間體，用于藥物合成。
其它信息：
Product Identification
【Product Name】Methyl 5-chlorosalicylate
【Synonyms】5-氯水楊酸甲酯
【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
