水杨酸
英文名称：Salicylic acid
CAS号
分子式：C7H6O3
分子量：138.12
EINECS号
中文同义词：水杨酸;柳酸;邻羟基苯甲酸;2-羟基苯甲酸 ;2-羟基苯甲酸(升华级) ;水杨酸(工业级) ;水杨酸(升华级) ;水杨酸(医药级)
英文同义词：ACIDUM SALICYLICUM;ACETYLSALISYLIC ACID IMP C;ACETYLSALICYLIC ACID IMPURITY C;2-HYDROXYBENZOIC ACID;FEMA 3985;SALICYCLIC ACID;SALICYLIC ACID;RETARDER TSA
属性
熔点deg;C(lit.)
沸点 211 °C(lit.)
密度 1.44
蒸气密度4.8 (vs air)
蒸气压1 mm Hgdeg;C)
折射率 1,565
FEMA 3985 | 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
酸碱指示剂变色ph值范围Non0 uorescence (2.5) to dark blue 0 uorescence (4.0)
PH值2.4 (H2O)(saturated solution)
水溶解性 1.8 g/L (20 ºC)
大波长(λmax)210nm, 234nm, 303nm
Merck
升华点 70 ºC
BRN 774890
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
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