4-Aminosalicylic acid
Molecular Structure:
MDL:
MFCD00007789
Molecular Formula:
C7H7NO3;H2NC6H3-2-(OH)CO2H
Molecular Weight:
153.14
Alias:
4-氨基水杨酸,4-氨基柳酸,4-氨基-2-羟基苯甲酸,4-氨基-2-羟基苯甲酸
4-Amino-2-hydroxybenzoic acid
PAS
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
4-Aminosalicylic acid |
98% |
100g |
RMB 88 |
Consulting service |
4-Aminosalicylic acid |
98% |
500g |
RMB 429 |
Consulting service |
Character:
无气味或微有酸的气味。对光敏感。露于空气中易变棕色。溶解度: 2 g/L水 (20°C)、1g/21ml乙醇,溶于稀硝酸、稀氢氧化钠溶液,微溶于乙醚,几乎不溶于苯。
熔点:145℃
40℃以上时水溶液不稳定,分解并放出二氧化碳而成间氨基酚。(分解起泡)。最大吸收波长(0.1mol/L盐酸中)265.300mm。半数致死量(小鼠,经口)4g/kg。有刺激性。
Quality Standard:
外观Appearance 白色至浅黄色粉末
红外光谱鉴别Infrared spectrometry 和对照品匹配
纯度Purity ≥98% (Titration with NaOH)
熔点范围Melting range,℃(分解) 140-145
醇溶解试验Solubility in athanol 合格
碳酸氢钠溶解试验Solubility in NaHCO3 合格
间氯基酚m-Aminoplenol,% ≤0.3
灼烧残渣(以硫酸盐计)Ignition residue,% ≤0.1
Storage:
密封避光保存
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