CAS 99-50-3 MFCD00002509-3,4-Dihydroxybenzoic acid 3,4-二羟基苯甲酸 TAO{mole}

3,4-Dihydroxybenzoic acid 3,4-二羟基苯甲酸

CAS 99-50-3 MFCD00002509

化学结构图

SMILES: O=C(O)c1ccc(O)c(O)c1

化学属性

Mol. Formula	C7H6O4
Mol. Weight	154.12
Melting Point	197-200°C
Density	1.559
TSCA	No
Stability	对光敏感
Appearance	白色至微棕色针状结晶。熔点约200℃（分解）。溶于热水、乙醇和乙醚，微溶于冷水，不溶于苯。在沸水中分解，并放出二氧化碳。水溶液遇三氯化铁呈绿色，遇碳酸氢钠呈暗红色。
Solubility	Soluble in water (1:50), ethanol, and ether.
Boiling Point	237.46 °C at 760 mmHg

别名和识别编码

Chemical Name	3,4-Dihydroxybenzoic acid
CAS Number	99-50-3
Alfabeta Name	DIHYDROXYBENZOICACID 34-,
MDL Number	MFCD00002509
Synonym	Protocatechuic acid {LY} Protocatechuic acid {} {LY} Protocatechuic acid {} {} {LY} Protocatechuic acid {} {} {} {LY} Protocatechuic acid {} {} {} {} {LY} Protocatechuic acid {} {} {} {} {} {LY} Protocatechuic acid {} {} {} {} {} {} {LY} Protocatechuic acid {} {} {} {} {} {} {} {LY} Protocatechuic acid {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Protocatechuic acid {} {} {} {} {} {} {} {} {} {LY} Protocatechuic acid {} {} {} {} {} {} {} {} {} {} {LY} Protocatechuic acid {} {} {} {} {} {} {} {} {} {} {} {LY} Protocatechuic acid {} {} {} {} {} {} {} {} {} {} {} {} {LY} Protocatechuic acid {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Protocatechuic acid {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Protocatechuic acid {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Protocatechuic acid {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {}
Beilstein Registry Number	1448841
EC Number	202-760-0
Reaxys-RN	1448841
PubChem Substance ID	72
Merck Number	7894
Chemical Name Translation	3,4-二羟基苯甲酸
Wiswesser Line Notation	QVR CQ DQ
LabNetwork Molecule ID	LN00173718
InChI	InChI=1S/C7H6O4/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3,8-9H,(H,10,11)
Canonical SMILES	O=C(O)C1=CC=C(O)C(O)=C1

信息真实价格透明资金保障专业采购外包团队在线服务

品牌质保精细包装现货库存一流品牌服务

产品应用

A phenolic acid antioxidant and chemopreventive agent

安全信息

Warnings IRRITANT

Precautionary statements

P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
P281 Use personal protective equipment as required. 使用所需的个人防护装备。
P302+P350
P302+P352+P332+P313+P362+P364
P305+P351+P338
P305+P351+P338+P337+P313
P332+P313
P337+P313
P362 Take off contaminated clothing and wash before reuse. 脱掉污染的衣服，清洗后方可重新使用

GHS Symbol

RTECSUL0560000

Signal word Warning

Hazard statements

H315 Causes skin irritation 会刺激皮肤
H319 Causes serious eye irritation 严重刺激眼睛
H335 May cause respiratory irritation 可能导致呼吸道刺激

WGK Germany3

Safety Statements

S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后，立即用大量水冲洗并征求医生意见；
S36 Wear suitable protective clothing 穿戴适当的防护服；
S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护；
S37 Wear suitable gloves 戴适当手套；

Risk Statements

R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性

Storage condition 2-8°C {LY} 2-8°C Air Sensitive {} {LY} 2-8°C {} {} {LY} 2-8°C {} {} {} {LY} 2-8°C {} {} {} {} {LY} 2-8°C {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {}

Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves

Hazard Codes Xi

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >800 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 196,478,1976

TYPE OF TEST            : DNA inhibition
TEST SYSTEM             : Human Lymphocyte
DOSE/DURATION           : 1 mmol/L
REFERENCE :
   BCPCA6 Biochemical Pharmacology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.1-    1958-  Volume(issue)/page/year:
   29,1275,1980

TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Rodent - hamster Ovary
DOSE/DURATION           : 3 gm/L
REFERENCE :
   CALEDQ Cancer Letters (Shannon, Ireland).  (Elsevier Scientific Pub. Ireland
   Ltd., POB 85, Limerick, Ireland)  V.1-    1975- Volume(issue)/page/year:
   14,251,1981

TYPE OF TEST            : Mutation in mammalian somatic cells
TEST SYSTEM             : Rodent - mouse Lymphocyte
DOSE/DURATION           : 300 mg/L
REFERENCE :
   EMMUEG Environmental and Molecular Mutagenesis.  (Alan R. Liss, Inc., 41 E.
   11th St., New York, NY 10003)  V.10-    1987-  Volume(issue)/page/year:
   11,523,1988

其他信息

3,4-二羟基苯甲酸价格(试剂级):更新日期产品编号产品名称包装价格 2011/08/23 30063680 3，4-二羟基苯甲酸;原儿茶酸 25g 238元 2011/08/23 30063660 3，4-二羟基苯甲酸;原儿茶酸 25g 110元 2011/04/16 C0055 3,4-二羟基苯甲酸 3,4-Dihydroxybenzoic Acid 500G 4730元
海关编码:29182990
Sigma Aldrich:99-50-3(sigmaaldrich)
用途一:用作染料、医药中间体
用途三:在几种动物的致癌实验中有化学阻止作用，阻止细胞起始后相细胞的扩增，分析试剂（检定铁）。
TCI Shanghai:3,4-二羟基苯甲酸 3,4-Dihydroxybenzoic Acid,>;97.0%(T)(99-50-3)
敏感性:Air Sensitive
下游产品:邻苯二酚 --> 胡椒酸酰氯
MSDS 信息:3,4-Dihydroxybenzoic acid(99-50-3).msds
Acros Organics:原儿茶酸(3,4-二羟基苯甲酸) 3,4-Dihydroxybenzoic acid, 97%(99-50-3)
方法一:由香草醛经碱熔、酸化而得。
图谱信息:3,4-二羟基苯甲酸(99-50-3)红外图谱(IR1) 3,4-二羟基苯甲酸(99-50-3)质谱(MS) 3,4-二羟基苯甲酸(99-50-3)核磁图( 1 HNMR) 3,4-二羟基苯甲酸(99-50-3)Raman光谱 3,4-二羟基苯甲酸(99-50-3)核磁图( 13 CNMR) 3,4-二羟基苯甲酸(99-50-3)红外图谱(IR2)
露置空气中变色。溶于乙醇和乙醚，溶于50份水，不溶于苯。水溶液遇三氯化铁呈绿色，遇碳酸氢钠呈暗红色。有刺激性。
上游原料:香兰素
MOL 文件:99-50-3.mol
用途二:用作染料、医药的中间体、分析试剂（检定铁）。
检测方法:HPLC,NMR
Alfa Aesar:3,4-二羟基苯甲酸,97% 3,4-Dihydroxybenzoic acid, 97%(99-50-3)