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2,5-Dihydroxybenzoic acid

Cas:
490-79-9
Molecular Structure:
MDL:
MFCD00002460
Molecular Formula:
C7H6O4;(HO)2C6H3CO2H
Molecular Weight:
154.12
Alias:
龙胆酸,5-羟基水杨酸 DHB Gentisic acid Hydroquinonecarboxylic acid
Product order:
Name Specifications Packing Price Delivery
2,5-Dihydroxybenzoic acid 97% 5g RMB 181.5 现货
2,5-Dihydroxybenzoic acid 98% 5g RMB 209 Consulting service
2,5-Dihydroxybenzoic acid 98% 25g RMB 319 Consulting service
2,5-Dihydroxybenzoic acid 98% 100g RMB 1177 Consulting service
2,5-Dihydroxybenzoic acid 98% 500g RMB 4042.5 Consulting service
Character:
白色针状或棱柱状结晶。在空气中不稳定。遇三氯化铁呈蓝色。能还原斐林氏和多伦(Tollen's)试剂。溶于水、乙醇和乙醚,几乎不溶于二硫化碳、氯仿和苯。200℃开始升华。低毒,半数致死量(大鼠,经口)800mg/kg。有刺激性。
熔点:200-205℃
Quality Standard:
外观Appearance                          类白色至浅米黄色结晶粉末
红外光谱鉴别Infrared spectrometry       和对照品匹配
熔点Melting point                       204°C - 207°C
纯度Purity                              ≥98.0% (HPLC)
醇溶性实验Solubility in Methanol        合格
Storage:
密封避光保存。
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