****
第一枪帮您来“拼单”,更多低价等你来!****
- 名称天津市华坤化工有限公司 【公司网站】
- 所在地中国 天津
- 联系人 陈勇
- 价格 ¥29500元/吨 点此议价
- 采购量 1吨
- 发布日期 2015-11-05 01:59 至 长期有效
****产品详情
<*n style="font-family:SimSun;">****<*n> *n>规格<*n>:99.0% *n>产地<*n>:*n>英国<*n> *n>包装<*n>:25kg/*n>桶<*n> *n>价格<*n>:29500*n>元<*n>/*n>吨<*n>*n>*n>
<*n style="font-family:SimSun;">****<*n>*n>*n>
<*n style="font-family:SimSun;">p-Phenylenediamine*n>
<*n style="font-family:SimSun;">Cas*n><*n style="font-family:SimSun;">号<*n>: 106-50-3 *n>*n>
<*n style="font-family:SimSun;">分子式<*n> C6H8N2*n>;<*n> C6H4(NH2)2*n>*n>
<*n style="font-family:SimSun;">分子量<*n> 108.14*n>*n>
<*n style="font-family:SimSun;">别名<*n> 1,4-*n>苯二胺<*n>,*n>对二****<*n>,1,4-*n>二****<*n>,*n>乌尔丝<*n>*n>*n>
<*n style="font-family:SimSun;">1,4-Benzenediamine*n>
<*n style="font-family:SimSun;">1,4-Diaminobenzene*n>
<*n style="font-family:SimSun;">1,4-Phenylenediamine *n>
<*n style="font-family:SimSun;">性状<*n> *n>白色至微红色结晶。见光或露置空气中逐渐变紫红色或深褐色。能升华。可燃。溶于<*n>100*n>份冷水,溶于醇、醚、****。遇<*n>3%*n>*呈黑色,遇<*n>5%*n>********呈棕色。<*n>*n>*n>
<*n style="font-family:SimSun;">熔点<*n>:145*n>~<*n>147*n>℃<*n>*n>*n>
<*n style="font-family:SimSun;">沸点<*n>:267*n>℃<*n>*n>*n>
<*n style="font-family:SimSun;">闪点<*n>:*n>><*n>110*n>℃<*n> *n>*n>
<*n style="font-family:SimSun;">备注<*n>: *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>*n>
<*n style="font-family:SimSun;">质量标准<*n> *n>*n>
<*n style="font-family:SimSun;"> *n><*n style="font-family:SimSun;">项目<*n>Item*n> <*n> *n>分析纯 <*n> *n>*n>
<*n style="font-family:SimSun;"> (AR) *n>
<*n style="font-family:SimSun;">含量<*n>Assay,%*n> <*n> *n>≥<*n>99.0 *n>*n>
<*n style="font-family:SimSun;">熔点范围<*n>Melting point,*n>℃<*n> 140.0*n>~<*n>141.0 *n>*n>
<*n style="font-family:SimSun;">灼烧残渣<*n>(*n>以*盐计<*n>)Ignition residue,% *n>≤<*n>0.005 *n>*n>
<*n style="font-family:SimSun;">稀盐酸溶解试验<*n>Solubility in hydrochoric acid *n>合格<*n> *n>*n>
<*n style="font-family:SimSun;">****<*n>o-Phenylenediamine,% *n>≤<*n>0.001 *n>*n>
<*n style="font-family:SimSun;">****<*n>m-Phenylenediamine,% *n>≤<*n>0.02 *n>*n>
<*n style="font-family:SimSun;"> *n>
<*n style="font-family:SimSun;">项目<*n> *n>化学纯<*n> *n>*n>
<*n style="font-family:SimSun;"> (CP)*n>
<*n style="font-family:SimSun;">熔点<*n>Melting point/*n>℃<*n> 140.0*n>~<*n>147.0*n>(<*n>2.0*n>)<*n> *n>*n>
<*n style="font-family:SimSun;">乙醇溶解试验<*n>solubility in ethanol *n>合格<*n> *n>*n>
<*n style="font-family:SimSun;">灼烧残渣<*n>Residue on ignition *n>≤<*n>0.1%*n>*n>
<*n style="font-family:SimSun;"> *n>
<*n style="font-family:SimSun;">zone-refined, *n><*n style="font-family:SimSun;">升华纯化<*n>, *n>≥<*n>99%*n>:<*n>*n>*n>
<*n style="font-family:SimSun;">外观<*n>Appearance white crystalline powder and chunks*n>*n>
<*n style="font-family:SimSun;">红外光谱<*n>Infrared spectrometry Conforms to Structure*n>*n>
<*n style="font-family:SimSun;">纯度<*n>Purity(titration with hclo4) 99.0% - 101.0%*n>*n>
<*n style="font-family:SimSun;">灼烧残渣<*n>residue on ignition <1.0%*n>*n>
<*n style="font-family:SimSun;">熔点<*n>Melting point 140*n>°<*n>C - 142*n>°<*n>C*n>*n>
<*n style="font-family:SimSun;">贮存 密封避光保存。<*n> *n>*n>
<*n style="font-family:SimSun;">用途 检定氨、铜、金、****、铁、镁、氧化剂、臭氧、****和钒,测定铬。酸碱滴定的荧光指示剂(<*n>pH*n>≤<*n>3.1*n>无荧光,<*n>pH*n>≥<*n>4.4*n>呈现橙*荧光)。还原剂。<*n>*n>*n>
<*n style="font-family:SimSun;">联合国编号<*n> 1673*n>*n>
<*n style="font-family:SimSun;">Risk*n><*n style="font-family:SimSun;">:<*n> ****/24/25- R36- R43- R50/53- *n>*n>
<*n style="font-family:SimSun;">Safety : S28A- S36/37- S45- S60- S61- *n>
<*n style="font-family:SimSun;">Hazard : T - N - *n>