4-Aminosalicylic acid
Molecular Structure:
MDL:
MFCD00007789
Molecular Formula:
C7H7NO3;H2NC6H3-2-(OH)CO2H
Molecular Weight:
153.14
Alias:
4-氨基水楊酸,4-氨基柳酸,4-氨基-2-羥基苯甲酸,4-氨基-2-羥基苯甲酸
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:
無氣味或微有酸的氣味。對(duì)光敏感。露于空氣中易變棕色。溶解度: 2 g/L水 (20°C)、1g/21ml乙醇,溶于稀硝酸、稀氫氧化鈉溶液,微溶于乙醚,幾乎不溶于苯。
熔點(diǎn):145℃
40℃以上時(shí)水溶液不穩(wěn)定,分解并放出二氧化碳而成間氨基酚。(分解起泡)。最大吸收波長(0.1mol/L鹽酸中)265.300mm。半數(shù)致死量(小鼠,經(jīng)口)4g/kg。有刺激性。
Quality Standard:
外觀Appearance 白色至淺黃色粉末
紅外光譜鑒別Infrared spectrometry 和對(duì)照品匹配
純度Purity ≥98% (Titration with NaOH)
熔點(diǎn)范圍Melting range,℃(分解) 140-145
醇溶解試驗(yàn)Solubility in athanol 合格
碳酸氫鈉溶解試驗(yàn)Solubility in NaHCO3 合格
間氯基酚m-Aminoplenol,% ≤0.3
灼燒殘?jiān)ㄒ粤蛩猁}計(jì))Ignition residue,% ≤0.1
Storage:
密封避光保存
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