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产品编号 A108862 | CAS号 150-13-0 | 阿拉丁
4-Aminobenzoic acid
货号 规格 库存 价格 数量
A108862-100g AR,99% 上海(>10)
A108862-250g AR,99% 上海(>10)
A108862-25g AR,99% 上海(>10)
A108862-500g AR,99% 上海(>10)


敏感性 对空气和光敏感
密度 1.3740
熔点 187-187.5°C
溶解性 溶于水。
存贮条件 充氩保存


产品介绍 露置空气和光线中变浅黄色。易溶于沸水,能溶于醇、醚、乙酸乙酯及冰乙酸,微溶于水及苯,不溶于石油醚。0.5%溶液的pH值为3.5。半数致死量(小鼠,经口)2850mg/kg。有刺激性。
别名 4-氨基苯甲酸; PABA; 维生素 Bx; 维生素 H1;PABA; Vitamin Bx; Vitamin H1
应用 用作测定铜的试剂。用于酯类、叶酸和偶氮染料的合成。
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标识符号 GHS07 GHS07
信号词 Warning
风险声明 (欧洲) R36/37/38
安全声明(欧洲) S26;S37/39
警示性声明 P261,P280,P305+P351+P338
危害码(欧洲) Xi
危害声明 H315,H317,H319,H335,H413
个人防护设备 dust mask type N95 (US),Eyeshields,Faceshields,Gloves
WGK德国 3
Merck Index 423
Kevin Guo, Liang Li
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