水杨酸（医药级） | 69-72-7

中文名水杨酸

中文同义2-羟基苯甲酸;2-羟基苯甲酸(升华级);水杨酸;柳酸;邻羟基苯甲酸;超分子水杨酸;美沙拉嗪EP杂质H;水杨酸脂质体

英文名Salicylic acid

英文同义2-HYDROXYBENZOIC ACID;ACIDUM SALICYLICUM;ACETYLSALISYLIC ACID IMP C;ACETYLSALICYLIC ACID IMPURITY C;FEMA 3985;SALICYCLIC ACID;SALICYLIC ACID;RETARDER TSA

CAS69-72-7

分子式C7H6O3

分子量138.12

EINECS200-712-3

结构式

性质

熔点158-161 °C(lit.)

沸点211 °C(lit.)

密度1.44

蒸气密度4.8 (vs air)

蒸气压1 mm Hg ( 114 °C)

折射率1,565

FEMA3985 | 2-HYDROXYBENZOIC ACID

闪点157 °C

储存条件Store at RT.

溶解度ethanol: 1 M at 20 °C, clear, colorless

形态Solid

酸度系数(pKa)2.98(at 25℃)

颜色White to off-white

PH值2.4 (H2O)(saturated solution)

酸碱指示剂变色ph值范围Non0 uorescence (2.5) to dark blue 0 uorescence (4.0)

水溶解性1.8 g/L (20 ºC)

最大波长(λmax)210nm, 234nm, 303nm

敏感性Light Sensitive

升华点70 ºC

Merck14,8332

JECFA Number958

BRN774890

稳定性Stable. Substances to be avoided include oxidizing agents, strong bases, iodine, fluorine. Combustible. Sensitive to light.

主要应用Semiconductors, nanoparticles, photoresists, lubricating oils, UV absorbers, adhesive, leather, cleaner, hair dye, soaps, cosmetics, pain medication, analgesics, antibacterial agent, treatment of dandruff, hyperpigmented skin, tinea pedis, onychomycosis, osteoporosis, beriberi, fungicidal skin disease, autoimmune disease

InChIKeyYGSDEFSMJLZEOE-UHFFFAOYSA-N

NIST化学物质信息Benzoic acid, 2-hydroxy-(69-72-7)

EPA化学物质信息Salicylic acid (69-72-7)

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