490-79-9_2,5-二羟基苯甲酸CAS号:490-79-9/2,5-二羟基苯甲酸中英文名/分子式/结构式

2,5-二羟基苯甲酸的其他展现形式

母体
相关化合物

氨水杨酸 2,5-Dihydroxybenzoic acid CAS No.：89-57-6

一水2,4,6-三羟基苯甲酸 2,4,6-Trihydroxybenzoic acid CAS No.：83-30-7

水杨酸 2-Hydroxybenzoic acid CAS No.：69-72-7

邻甲基水杨酸 3-Methylsalicylic acid CAS No.：83-40-9

5-甲基水杨酸 5-Methylsalicylic acid CAS No.：89-56-5

4-甲基水杨酸 2-Hydroxy-4-methylbenzoic acid CAS No.：50-85-1

1-萘酚-2-甲酸 1-Hydroxy-2-naphthoic acid CAS No.：86-48-6

简介

2,5-Dihydroxybenzoic acid 是苯甲酸的代谢物，也是纤维母细胞生长因子 (fibroblast growth factor) 的强效抑制剂。

名称和标识符

InChIKey	WXTMDXOMEHJXQO-UHFFFAOYSA-N
Inchi	1S/C7H6O4/c8-4-1-2-6(9)5(3-4)7(10)11/h1-3,8-9H,(H,10,11)
SMILES	O([H])C1C([H])=C([H])C(=C([H])C=1C(=O)O[H])O[H]
BRN	2209119

别名信息

- 中文别名 -

2,5-二羟基苯甲酸 5-羟基水杨酸龙胆酸氢醌羧酸 2,5-二羟基苯甲酸(龙胆酸) 2,5-二羥苯甲酸龍膽酸 2,5-Dihydroxybenzoic Acid 2,5-二羟基苯甲酸 2.5-二羟基苯甲酸美拉沙嗪杂质G(EP) 标准品美沙拉嗪杂质G 2,5-二羟基苯甲酸标准品 MS] 2,5-二羟基苯甲酸[ MALDI-TOF MS基质] 龙胆酸,2,5-二羟基苯甲酸,5-羟基水杨酸龙胆酸,5-羟基水杨酸龙胆酸,氢醌羧酸 2,5-二羟基苯甲酸，医药级,纯度:>99%

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- 英文别名 -

2,5-Dihydroxybenzoic acid Gentisic acid Hydroquinonecarboxylic acid 2,5-Dhba 2,5-dihydroxy-benzoicaci 2,5-Dioxybenzoic acid 5-Hydroxysalicylic acid 5-hydroxy-salicylicaci acido2,5-diidrossibenzoico Benzoic acid, 2,5-dihydroxy- 2,5-Dihydroxybenzoic Acid (DHB) 2.5-Dihydroxybenzoicacid GENTISIC ACID(RG) 2,5-DHBA,DHB,Gentisic acid 2,5-dihydroxybenzoate 2,5-dihydroxy-benzoic acid 2,5-dihydroxyphenylcarboxylic acid Benzoic acid,2,5-dihydroxy Gensigen Gensigon Gentisate Hydroquinonecarboxylic acid MS] DHB DHBA 2,5-Dihydroxy benzoic acid Gentisinic acid Carboxyhydroquinone Salicylic acid, 5-hydroxy- Kyselina gentisinova Gentisinate Kyselina gentisinova [Czech] Acido gentisico [INN-Spanish] Kyselina 2,5-dihydroxybenzoova Acidum gentisicum [INN-Latin] Acide gentisique [INN-French] Acido 2,5

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物化性质

实验特性

LogP	0.79600
PSA	77.76000
Merck	4398
折射率	1.6400 (estimate)
水溶性	溶解
沸点	406.9℃ at 760 mmHg
熔点	204-208 °C (lit.)
闪点	214℃
溶解度	It is soluble in alcohol and ether.
颜色与性状	Powder
溶解性	溶于水、乙醇和乙醚，难溶于氯仿、苯和二硫化碳。
敏感性	对光敏感
酸度系数(pKa)	2.97(at 25℃)
密度	1.3725 (rough estimate)

计算特性

精确分子量	154.02700
氢键供体数量	3
氢键受体数量	4
可旋转化学键数量	1
同位素质量	154.02660867 g/mol
重原子数量	11
复杂度	157
同位素原子数量	0
确定原子立构中心数量	0
不确定原子立构中心数量	0
确定化学键立构中心数量	0
不确定化学键立构中心数量	0
共价键单元数量	1
疏水参数计算参考值（XlogP）	1.6
互变异构体数量	9
表面电荷	0
拓扑分子极性表面积	77.8
分子量	154.12

安全信息纠错

符号：	GHS07
RTECS号	LY3850000
WGK Germany	3
安全术语	S26;S37/39
安全说明	S26-S36-S37/39
风险术语	R36/37/38
危险品标志	Xn
危险品运输编号	NONH for all modes of transport
危害声明	H302,H315,H319,H335
警示性声明	P261,P305+P351+P338
提示语	警告
储存条件	Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month
危险类别码	22-36/37/38
信号词	Warning
TSCA	Yes

国际标准相关数据

EINECS	27224
MDL	MFCD00002460

海关数据

海关编码

29182990

海关数据

中国海关编码：

2918290000

概述：

2918290000 其他含酚基但不含其他含氧基羧酸及其酸酐、酰卤化物、过氧化物和过氧酸及它们的衍生物。监管条件:AB(入境货物通关单,出境货物通关单)。增值税率:17.0%。退税率:9.0%。最惠国关税:6.5%。普通关税:30.0%

申报要素：

品名, 成分含量, 用途

监管条件：

A.入境货物通关单
B.出境货物通关单

检验检疫类别：

R.进口食品卫生监督检验
S.出口食品卫生监督检验

Summary：

HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0%

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参考资料