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关键词:       仅模糊查询
CAS: 490-79-9
分子式: C7H6O4
分子量: 154.12
熔点: 204-207℃
中文名称: 
2,5-二羟基苯甲酸
5-羟基水杨酸
氢醌羧酸
龙胆酸
英文名称: 
2,5-dihydroxy-Benzoic acid
gentisic acid
2,5-dhba
2,5-dihydroxybenzoic acid
5-hydroxysalicylic acid
acido 2,5-diidrossibenzoico
2,5-dihydroxy-benzoic aci
gentisate
hydroquinonecarboxylic acid
kyselina 2,5-dihydroxybenzoova
kyselina gentisinova
5-hydroxy-salicylic aci
Benzoic acid,2,5-dihydroxy-
Hydroguinonecarboxylic acid
2,5-dihydroxybenzoic_acid
展开更多英文名
性质描述: 白色针状结晶。熔点204.5-205℃。溶于水、乙醇和乙醚，难溶于氯仿、苯和二硫化碳。在150℃以上长时间加热则分解为二氧化碳和氢醌，在空气中不稳定。遇三氯化铁呈蓝色。
生产方法: 由对苯二酚经羟基化而得。
用途: 龙胆酸本身是一种解热镇痛药，也用作医药中间体
推荐供应商
货号品牌产品名称规格包装、参考价格
D806755MACKLIN2,5-二羟基苯甲酸98%30元/5g;   90元/25g;   348元/100g;   1702元/500g;   咨询
储存：室温
状态：白色到黄色粉末
D794132MACKLIN2,5-二羟基苯甲酸10mM in DMSO184元/1ml;   咨询
储存：-20°C
状态：液体
D0569TCI2,5-Dihydroxybenzoic Acid>98.0%(T)(HPLC)420元/25G;   3455元/500G;   咨询

基本信息

纯度/分析方法>98.0%(T)(HPLC)
分子式/分子量C7H6O4 = 154.12
外观与形状(20℃)固体
Reaxys-RN2209119
PubChem物质ID87567223
SDBS (AIST Spectral DB)1398
Merck Index (14)4398
MDL编号MFCD00002460

技术规格

AppearanceWhite to Orange to Green powder to crystal
Purity(HPLC)min. 98.0 area%
Purity(Neutralization titration)min. 98.0 %
Melting point204.0 to 208.0 ℃
Solubility in Methanolalmost transparency

物性(参考值)

熔点206 ℃(dec.)
溶解性(可溶于)乙醚,醇
溶解性(不溶于)苯,氯仿

安全信息

图形或危害标志
信号词警告
危险性说明H303 : 吞咽可能有害。
H315 : 造成皮肤刺激。
H319 : 造成严重眼刺激。
H412 : 对水生生物有害并具有长期持续影响。
防范说明P501 : 将内装物/容器送到批准的废物处理厂处理。
P273 : 避免释放到环境中。
P264 : 作业后彻底清洗皮肤。
P280 : 戴防护手套/戴防护眼罩/戴防护面具。
P302 + P352 : 如皮肤沾染：用水充分清洗。
P312 : 如感觉不适，呼叫急救中心/医生。
P337 + P313 : 如仍觉眼刺激：求医/就诊。
P305 + P351 + P338 : 如进入眼睛：用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出，取出隐形眼镜。继续冲洗。
P362+P364 : 脱掉沾污的衣服，清洗后方可重新使用。
P332 + P313 : 如发生皮肤刺激：求医/就诊。

相关法规

RTECS#LY3850000
D2933TCI2,5-Dihydroxybenzoic Acid [Matrix for MALDI-TOF/MS]>99.0%(GC)(T)365元/1G;   590元/5G;   咨询

基本信息

纯度/分析方法>99.0%(GC)(T)
分子式/分子量C7H6O4 = 154.12
外观与形状(20℃)固体
Reaxys-RN2209119
SDBS (AIST Spectral DB)1398
Merck Index (14)4398
MDL编号MFCD00002460

技术规格

AppearanceWhite to Light yellow powder to crystal
Purity(GC)min. 99.0 %
Purity(Neutralization titration)min. 99.0 %

物性(参考值)

熔点206 ℃(dec.)
溶解性(可溶于)乙醚,醇
溶解性(不溶于)苯,氯仿

安全信息

图形或危害标志
信号词警告
危险性说明H303 : 吞咽可能有害。
H315 : 造成皮肤刺激。
H319 : 造成严重眼刺激。
H412 : 对水生生物有害并具有长期持续影响。
防范说明P501 : 将内装物/容器送到批准的废物处理厂处理。
P273 : 避免释放到环境中。
P264 : 作业后彻底清洗皮肤。
P280 : 戴防护手套/戴防护眼罩/戴防护面具。
P302 + P352 : 如皮肤沾染：用水充分清洗。
P312 : 如感觉不适，呼叫急救中心/医生。
P337 + P313 : 如仍觉眼刺激：求医/就诊。
P305 + P351 + P338 : 如进入眼睛：用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出，取出隐形眼镜。继续冲洗。
P362+P364 : 脱掉沾污的衣服，清洗后方可重新使用。
P332 + P313 : 如发生皮肤刺激：求医/就诊。

相关法规

RTECS#LY3850000
454213J&K2,5-Dihydroxybenzoic Acid99%142元/25G;   507元/100G;   咨询

基本信息

分子式C7H6O4
分子量154.12
熔点204-208
MDL编码MFCD00002460
Beilstein2209119
Merck14,4398
EINECS 编号207-718-5

安全信息

图形或危害标志
提示语Warning
危险说明H302
H315
H319
H335
防范说明P261
P305+P351+P338
WGK3
RTECSLY3850000
TSCA是
A11459Alfa Aesar2,5-Dihydroxybenzoic Acid99%473元/25g;   1797元/100g;   咨询

应用
2,5-dihydroxybenzoic acid are? used as intermediates for pharmaceuticals (especially for antipyetic anlgesic, antirheumatism) and other organic synthesis. They are used as matrix for ionization of peptides, proteins and carbohydrates. In industrial field, they are? used as intermediates for the production of other organic chemicals, resins, polyesters, plasticizers, dyestuffs, preservatives, and rubber chemicals.

备注
Keep away from Strong oxidizing agents, Strong bases, Acid chlorides, Acid anhydrides. Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

基本信息

MDL
MFCD00002460

EINECS
207-718-5

分子式
C7H6O4

分子量
154.12

熔点
ca 206° dec.

灵敏度
Ambient temperatures.

形态
Powder

溶解性
It is soluble in alcohol and ether.

Beilstein
2209119

Merck
14,4398

GHS危害和防范说明

GHS符号

Hazard Statements
H302-H315-H319-H335
Harmful if swallowed.Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation.

Precautionary Statements
P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险类别
22-36/37/38
Harmful if swallowed.Irritating to eyes, respiratory system and skin.

安全等级
26-36/37-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing and gloves.This material and its container must be disposed of as hazardous waste

欧盟危险品标志

RTECS
LY3850000

TSCA
是

C16520Alfa Aesar2,5-Dihydroxybenzoic Acid99%541元/5g;   1727元/50g;   7130元/250g;   咨询

基本信息

Ref#
16520

MDL
2460

分子式
C7 H6 O4

分子量
154.12

形态
White to cream/pale yellow powder

149357Sigma-Aldrich2,5-Dihydroxybenzoic Acid98%372.48元/10 G;   450.21元/25 G;   1717.16元/100 G;   咨询

产品说明

一般描述

阿司匹林代谢物。

应用

2,5-二羟基苯甲酸(2,5-DHBA)用于：

  • 用作聚(苯乙烯-共五氟苯乙烯)共聚物 MALDI-TOF 质谱分析的基质。
  • 制备具有重要药理意义的2,5-DBHA-明胶缀合物，用作聚合物用于研发药物制剂。
  • 用作三齿配体，与(PPh4)4Mo8O26反应合成钼配合物。
  • landomycin A(一种角蒽环类抗生素)总合成的起始材料。

包装

10, 25, 100 g in poly bottle

基本信息

线性分子式(HO)2C6H3CO2H
分子量154.12
Beilstein2209119
EC 号207-718-5
MDL编号MFCD00002460
PubChem化学物质编号24848948
NACRESNA.22

产品性质

质量水平200
测定98%
形式powder
mp204-208 ℃ (lit.)
SMILES stringOC(=O)c1cc(O)ccc1O
InChI1S/C7H6O4/c8-4-1-2-6(9)5(3-4)7(10)11/h1-3,8-9H,(H,10,11)
InChI keyWXTMDXOMEHJXQO-UHFFFAOYSA-N

安全信息

储存分类代码11 - Combustible Solids
WGKWGK 3
个人防护装备dust mask type N95 (US), Eyeshields, Gloves
85707Supelco2,5-Dihydroxybenzoic Acidmatrix substance for MALDI-MS, >99.0% (HPLC)262.98元/10 MG;   3475.46元/250 MG;   11290.5元/1 G;   咨询

产品说明

应用

最常用的碳水化合物基质。 用于游离中性聚糖的MALDI-MS。 产生[M+Na]+离子；可能产生较弱的[M+K]+离子。 可通过添加适当的无机盐产生其他离子类别。
2,5-二羟基苯甲酸是一种离子液体基质，可用于通过基质辅助激光解吸/电离结合质谱对生物分子进行分析。

基本信息

线性分子式(HO)2C6H3CO2H
分子量154.12
Beilstein2209119
EC 号207-718-5
MDL编号MFCD00002460
PubChem化学物质编号329769406
NACRESNA.21

产品性质

质量水平100
等级matrix substance for MALDI-MS
测定>99.0% (HPLC)
analyte functional class(es)polymers
analyte chemical class(es)glycans, lipids, organic molecules, peptides, proteins
technique(s)MALDI-MS: suitable
mp200-207 ℃
204-208 ℃ (lit.)
痕量阳离子Ba: ≤5 mg/kg
Ca: ≤5 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
K: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg
ε (extinction coefficient)>2000 at 337 nm
SMILES stringOC(=O)c1cc(O)ccc1O
InChI1S/C7H6O4/c8-4-1-2-6(9)5(3-4)7(10)11/h1-3,8-9H,(H,10,11)
InChI keyWXTMDXOMEHJXQO-UHFFFAOYSA-N

安全信息

储存分类代码11 - Combustible Solids
WGKWGK 3
个人防护装备dust mask type N95 (US), Eyeshields, Gloves
8.41745Sigma-Aldrich2,5-Dihydroxybenzoic Acidfor synthesis763.64元/50 G;   2598.38元/250 G;   咨询

产品说明

应用

2,5-Dihydroxybenzoic acid for synthesis. CAS 490-79-9, molar mass 154.12 g/mol.

分析说明

Assay (HPLC, area%): ≥ 99.0 % (a/a)
Melting range (lower value): ≥ 200 °C
Melting range (upper value): ≤ 206 °C
Identity (IR): passes test

基本信息

经验(实验)分子式C7H6O4
分子量154.12
MDL编号MFCD00002460
EC索引号207-718-5

产品性质

质量水平200
测定≥99.0% (HPLC)
mp202-206 ℃
储存温度2-30℃
InChI1S/C7H6O4/c8-4-1-2-6(9)5(3-4)7(10)11/h1-3,8-9H,(H,10,11)
InChI keyWXTMDXOMEHJXQO-UHFFFAOYSA-N

安全信息

储存分类代码11 - Combustible Solids
WGKWGK 3
39319Supelco2,5-Dihydroxybenzoic Acidmatrix substance for MALDI-MS, ≥99.5% (HPLC), Ultra pure4321.33元/10 X 10 MG;   咨询

产品说明

包装

无底玻璃瓶。内含物在插入的融合锥体内。

基本信息

线性分子式(HO)2C6H3CO2H
分子量154.12
Beilstein2209119
EC 号207-718-5
MDL编号MFCD00002460
PubChem化学物质编号329755840
NACRESNA.21

产品性质

质量水平100
等级matrix substance for MALDI-MS
测定≥99.5% (HPLC)
analyte functional class(es)polymers
analyte chemical class(es)glycans, lipids, organic molecules, peptides, proteins
technique(s)MALDI-MS: suitable
mp203-207 ℃
204-208 ℃ (lit.)
溶解性methanol: 10 mg/mL, clear
痕量阳离子Al: ≤1 mg/kg
Ba: ≤1 mg/kg
Ca: ≤1 mg/kg
Cd: ≤1 mg/kg
Co: ≤1 mg/kg
Cr: ≤1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤1 mg/kg
K: ≤1 mg/kg
Li: ≤1 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Na: ≤1 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Sr: ≤1 mg/kg
Zn: ≤1 mg/kg
SMILES stringOC(=O)c1cc(O)ccc1O
InChI1S/C7H6O4/c8-4-1-2-6(9)5(3-4)7(10)11/h1-3,8-9H,(H,10,11)
InChI keyWXTMDXOMEHJXQO-UHFFFAOYSA-N

安全信息

储存分类代码11 - Combustible Solids
WGKWGK 3
个人防护装备dust mask type N95 (US), Eyeshields, Gloves
PHR3329Supelco2,5-Dihydroxybenzoic Acidcertified reference material, pharmaceutical secondary standard6666.18元/50 mg;   咨询

产品说明

一般描述

Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards

分析说明

These secondary standards offer multi-traceability to the USP, EP and BP primary standards, where they are available.

其他说明

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

基本信息

线性分子式(HO)2C6H3CO2H
分子量154.12
Beilstein2209119
MDL编号MFCD00002460

产品性质

质量水平300
等级certified reference material
pharmaceutical secondary standard
包装pkg of 50 mg
mp204-208 ℃ (lit.)
储存温度2-30℃
SMILES stringOC(=O)c1cc(O)ccc1O
InChI1S/C7H6O4/c8-4-1-2-6(9)5(3-4)7(10)11/h1-3,8-9H,(H,10,11)
InChI keyWXTMDXOMEHJXQO-UHFFFAOYSA-N

安全信息

储存分类代码13 - Non Combustible Solids
WGKWGK 3
闪点(F)Not applicable
闪点(C)Not applicable
78069Supelco2,5-Dihydroxybenzoic Acidanalytical standard755.66元/25 MG;   咨询

产品说明

应用

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
2,5-Dihydroxybenzoic acid may be used as a reference standard in the determination of 2,5-dihydroxybenzoic acid in biopsy samples using high-performance liquid chromatography coupled with electrochemical detector.

基本信息

线性分子式(HO)2C6H3CO2H
分子量154.12
Beilstein2209119
EC 号207-718-5
MDL编号MFCD00002460
PubChem化学物质编号329768120
NACRESNA.24

产品性质

等级analytical standard
质量水平100
测定≥99.0% (HPLC)
保质期limited shelf life, expiry date on the label
technique(s)HPLC: suitable
gas chromatography (GC): suitable
mp204-208 ℃ (lit.)
application(s)pharmaceutical
格式neat
SMILES stringOC(=O)c1cc(O)ccc1O
InChI1S/C7H6O4/c8-4-1-2-6(9)5(3-4)7(10)11/h1-3,8-9H,(H,10,11)
InChI keyWXTMDXOMEHJXQO-UHFFFAOYSA-N

安全信息

储存分类代码11 - Combustible Solids
WGKWGK 3
950978Amethyst2,5-Dihydroxybenzoic Acid99%, 用于合成46元/5G;   114元/25G;   323元/100G;   1352元/500G;   咨询

基本信息

分子式C7H6O4
分子量154.12
熔点204-208
MDL编码MFCD00002460
Beilstein2209119
Merck14,4398
EINECS 编号207-718-5

安全信息

图形或危害标志
提示语Warning
危险说明H302
H315
H319
H335
防范说明P261
P305+P351+P338
WGK3
RTECSLY3850000
TSCA是
236790Fluorochem2,5-Dihydroxybenzoic Acid99%220元/25g;   770元/100g;   3410元/500g;   咨询

基本信息

CAS Number490-79-9
MDL NumberMFCD00002460
Melting Point206-212℃

安全信息

图形或危害标志
危险性说明 H315: Causes skin irritation.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
防范说明 P233: Keep container tightly closed.
P260: Do not breathe .
P261: Avoid breathing .
P264: Wash hands thoroughly after handling.
P271: Use only outdoors or in a well-ventilated area.
P280: Wear .
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing..
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.
P312: Call a POISON CENTER or doctor/physician if you feel unwell.
P321: Specific treatment (see relevant procedures. on this label).
P332 + P313: If skin irritation occurs: Get medical advice/ attention.
P337 + P313: If eye irritation persists: Get medical advice/attention.
P340: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P362: Take off contaminated clothing and wash before reuse.
P403: Store in a well-ventilated place.
P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
P501: Dispose of contents/container to in accordance with local regulation .
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