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  • 4,4'-二氨基二苯乙烯-2,2'-二磺酸

    4,4'-Diamino-2,2'-stilbenedisulfonic acid

化合物简介

4,4′-Diamino-2,2′-stilbenedisulfonic acid is the organic compound with the formula (H2NC6H3SO3H)2C2H2. It is a white, water-soluble solid. Structurally, it is a derivative of trans-stilbene, containing amino and sulfonic acid functional groups on each of the two phenyl rings. The compound is a popular optical brightener for use in laundry detergents. It is produced by reduction of 4,4′-dinitro-2,2′-stilbenedisulfonic acid with iron powder.

基本信息

CAS:81-11-8
中文别名:二氨基芪二磺酸;DSD酸;4,4\'-二氨基芪-2,2\'-二磺酸;水甘草酸;4,4\'-二氨基-2,2\'-二磺酸-均二苯乙烯;芪氏酸;4,4’-二氨基二苯乙烯-2,2’-二磺酸;二氨基二磺酸;4,4-二氨基-2,2\'-二磺酸;
英文别名:DASD;4,4\'-diaminostilbene-2,2\'-disulphonic acid;4,4‘-Diamino-2,2‘-stilbenedisulfonic acid;2,2\'-(1,2-ethenediyl)bis(5-amino)benzenesulfonic acid;AMSONIC ACID;DAS;DSD ACID;AMSOMICACID;tinopalbhs;DASDA;flavonicacid;4,4\'-diamino-stilbene-2,2\'-disulfonic acid;
分子式:C14H14N2O6S2
分子量:370.401
精确质量:370.029
Psa:177.54
Logp:4.8388

编号系统

MDL号:MFCD00024946

物化性质

外观与性状:白色至淡黄色结晶粉末
密度:1.662 g/cm3
熔点:300 °C
折射率:1.726
稳定性:Stable. Combustible. Incompatible with iron, strong oxidizing agents.
储存条件:-20ºC Freezer

安全信息

RTECS号:WJ6603000
安全说明:S24/25-S45-S36/37/39-S26-S22
危险类别码:R34
海关编码:2921420090
危险品运输编码:UN 2583
危险品标志:C

生产方法及用途

合成路线

上游原料

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图谱

Predict 1H proton NMR


13C NMR : Predict


1H NMR : Predict


Mass


IR : KBr disc


IR : nujol mull


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