天津市华坤化工有限公司
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产品属性
<*n style="font-family:SimSun;">****<*n> 规格<*n>:98.0% 产地<*n>:日本<*n> 包装<*n>:180/260kg/桶<*n> 价格<*n>:25500元<*n>/吨<*n>
<*n style="font-family:SimSun;">****<*n>
<*n style="font-family:SimSun;">Thioglycolic acid
<*n style="font-family:SimSun;">Cas<*n style="font-family:SimSun;">号<*n>: 68-11-1
<*n style="font-family:SimSun;">分子式<*n> C2H4O2S；<*n> HSCH2COOH
<*n style="font-family:SimSun;">分子量<*n> 92.12
<*n style="font-family:SimSun;">别名<*n> ****，硫醇代*，****，硫氢基*，****酸<*n>
<*n style="font-family:SimSun;">Mercaptoacetic acid
<*n style="font-family:SimSun;">TGA
<*n style="font-family:SimSun;">性状<*n> 无色液体。有强烈不愉快的气味。在空气中迅速氧化。能与水、乙醇、 醚、****、苯和其他*混溶。*，有腐蚀性，对皮肤能烧灼起泡。<*n>
<*n style="font-family:SimSun;">密度<*n>:1.325
<*n style="font-family:SimSun;">熔点<*n>:-16℃<*n>
<*n style="font-family:SimSun;">沸点<*n>:220℃<*n>
<*n style="font-family:SimSun;">折光率<*n>: 1.503-1.505
<*n style="font-family:SimSun;">闪点<*n>:126℃<*n>
<*n style="font-family:SimSun;">备注<*n>: 以上描述，仅作参考，并不表示您收到的产品，与此项描述完全相符，产品的出厂标准，请参见质量标准。<*n>
<*n style="font-family:SimSun;">质量标准<*n>
<*n style="font-family:SimSun;"> <*n style="font-family:SimSun;">项目<*n>Item 分析纯<*n>
<*n style="font-family:SimSun;"> (AR)
<*n style="font-family:SimSun;">含量<*n>Assay,% ≥<*n> 90.0
<*n style="font-family:SimSun;">对铁灵敏度试验<*n>Sensitivity to iron 合格<*n>
<*n style="font-family:SimSun;">水溶液试验<*n>Solubility in water 合格<*n>
<*n style="font-family:SimSun;">灼烧残渣<*n>(以*盐计<*n>)Ignition residue,% ≤<*n> 0.1
<*n style="font-family:SimSun;">铁<*n>(Fe)Iron,% 合格<*n>
<*n style="font-family:SimSun;">
<*n style="font-family:SimSun;">项目<*n> 化学纯<*n>
<*n style="font-family:SimSun;"> (CP)
<*n style="font-family:SimSun;">含量<*n>Assay,% ≥<*n> 85.0
<*n style="font-family:SimSun;">对铁灵敏度试验<*n>Sensitivity to iron 合格<*n>
<*n style="font-family:SimSun;">水溶液试验<*n>Solubility in water 合格<*n>
<*n style="font-family:SimSun;">灼烧残渣<*n>(以*盐计<*n>)Ignition residue,% ≤<*n> 0.1
<*n style="font-family:SimSun;">铁<*n>(Fe)Iron,% 合格<*n>
<*n style="font-family:SimSun;">
<*n style="font-family:SimSun;">项目<*n> 优级纯<*n>
<*n style="font-family:SimSun;"> <*n style="font-family:SimSun;">（<*n>GR）<*n>
<*n style="font-family:SimSun;">外观<*n>Appearance 无色透明液体<*n>
<*n style="font-family:SimSun;">纯度<*n>purity ≥<*n>98% (碘量滴定<*n> )
<*n style="font-family:SimSun;">红外光谱鉴别<*n>Infrared spectrometry 和对照匹配<*n>
<*n style="font-family:SimSun;">折光率<*n>Refractive index n20/D 1.5030 - 1.5050
<*n style="font-family:SimSun;">铁<*n> Fe < 300 ppb
<*n style="font-family:SimSun;">其它酸<*n> other acids (as TGA): < 0.2%
<*n style="font-family:SimSun;">贮存<*n> 2-8°<*n>C保存，****易氧化。<*n>
<*n style="font-family:SimSun;">用途<*n> 铁、钼、银、锡的灵敏*。其铵盐及钠盐用作卷发冷烫剂，钙盐为脱毛剂<*n>
<*n style="font-family:SimSun;">联合国编号<*n> 1940
<*n style="font-family:SimSun;">Risk<*n style="font-family:SimSun;">：<*n> ****/24/25- R34-
<*n style="font-family:SimSun;">Safety : S25- S27- S28- S45-
<*n style="font-family:SimSun;">Hazard : T -