CAS 137-51-9; 苯胺-2,4-二磺酸; 3-Benzenedisulfonic acid, 4-amino-1

CAS:

137-51-9

分子式:

C6H7NO6S2

分子量:

253.26

中文名称:

苯胺-2,4-二磺酸

4-氨基-1,3-苯二磺酸

英文名称:

3-Benzenedisulfonic acid, 4-amino-1

4-amino-3-benzenedisulfonic acid

4-aminobenzene-1,3-disulphonic acid

Aniline-2,4-disulfonic acid

4-Amino-1,3-benzene disulfonic acid

4-Amino-m-benzene disulfonic acid

1,3-Benzenedisulfonic acid,4-amino-

性质描述:

该品为白色至灰色针状结晶，二水合物熔点为120℃，溶于醇和水，温度高于120℃分解。

生产方法:

由对氨基苯磺酸经发烟硫酸磺化而得。磺化锅内放入20%发烟硫酸，在搅拌下缓缓加入干燥的对氨基苯磺酸，加料时温度控制50℃，加料后搅拌20min，然后升温至60℃，保温1h，再升至80℃保温1h，再升至100℃，保温1h，最后升至128℃，保温5h，取样检定（取样品2ml，稀释于40ml蒸馏水中，振荡使之全溶，以得澄清溶液为准）。再在128℃搅拌3h，然后降温至75℃放料，收率98%。

用途:

可作染料中间体。

推荐供应商

货号

品牌

产品名称

规格

包装、参考价格

详情

A844747

MACKLIN

4-氨基苯-1,3-二磺酸

97%

74元/250mg; 107元/1g; 318元/5g; 927元/25g; 3088元/100g;

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储存：室温,干燥
状态：灰色固体

Y18883

Alfa Aesar

4-Aminobenzene-1,3-disulfonic acid

256元/250mg; 561元/1g; 1890元/5g;

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基本信息

分子量
253.25

225699

Fluorochem

4-Aminobenzene-1,3-disulfonic acid

95%

286元/1g; 836元/5g; 2486元/25g; 5500元/100g;

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基本信息

CAS Number	137-51-9
MDL Number	MFCD00035903

安全信息

图形或危害标志
危险性说明	H302: Harmful if swallowed. H314: Causes severe skin burns and eye damage.
防范说明	P260: Do not breathe . P264: Wash hands thoroughly after handling. P270: Do not eat, drink or smoke when using this product. P280: Wear . P301 + P312: IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303 + P361 + P353: IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P310: Immediately call a POISON CENTER or doctor/physician. P321: Specific treatment (see . on this label). P330: Rinse mouth. P363: Wash contaminated clothing before reuse. P405: Store locked up. P501: Dispose of contents/container to local regulations.