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3,4-Dihydroxybenzoic acid

3,4-Dihydroxybenzoic acid
3,4-Dihydroxybenzoic acid
CAS No.
99-50-3
Chemical Name:
3,4-Dihydroxybenzoic acid
Synonyms
NSC 16631;AKOS 220-70;Hypogallic acid;protocatechuate;Protocatechuic aci;Protocatechoic Acid;RARECHEM AL BO 0347;PROTOCATECHUIC ACID;3,4-Dihydroxybenzoic;4-Carboxypyrocatechol
CBNumber:
CB3305861
Molecular Formula:
C7H6O4
Formula Weight:
154.12
MOL File:
99-50-3.mol

3,4-Dihydroxybenzoic acid Properties

Melting point:
197-200 °C (dec.)(lit.)
Boiling point:
237.46°C (rough estimate)
Density 
1.54
refractive index 
1.6400 (estimate)
FEMA 
4430 | 3,4-DIHYDROXYBENZOIC ACID
storage temp. 
Store below +30°C.
solubility 
20g/l
form 
Fine Crystalline Powder
pka
4.48(at 25℃)
color 
Beige to brown
Water Solubility 
Soluble in hot alcohol and ether. Slightly soluble in water.
Sensitive 
Air Sensitive
Merck 
14,7894
BRN 
1448841
Stability:
Stable. Incompatible with strong oxidizing agents, strong bases.
InChIKey
YQUVCSBJEUQKSH-UHFFFAOYSA-N
CAS DataBase Reference
99-50-3(CAS DataBase Reference)
EPA Substance Registry System
Benzoic acid, 3,4-dihydroxy-(99-50-3)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36-37/39
WGK Germany  3
RTECS  UL0560000
HS Code  29182990
Symbol(GHS):
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
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. Continuerinsing.
P405 Store locked up.

3,4-Dihydroxybenzoic acid price More Price(13)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 08992 3,4-Dihydroxybenzoic acid analytical standard 99-50-3 50mg $91.6 2017-11-08 Buy
Sigma-Aldrich 03930590 Protocatechuic acid primary pharmaceutical reference standard 99-50-3 50mg $155 2017-11-08 Buy
TCI Chemical C0055 3,4-Dihydroxybenzoic Acid >98.0%(HPLC) 99-50-3 25g $59 2017-11-08 Buy
TCI Chemical C0055 3,4-Dihydroxybenzoic Acid >98.0%(HPLC) 99-50-3 100g $222 2017-11-08 Buy
Alfa Aesar B24016 3,4-Dihydroxybenzoic acid, 97% 99-50-3 25g $32.9 2017-11-08 Buy

3,4-Dihydroxybenzoic acid Chemical Properties,Uses,Production

Chemical Properties

white to light yellow crystal powder

Uses

3,4-Dihydroxybenzoic Acid is a metabolite of polyphenols such as Phloretin (P339000) and Quercetin (Q509500).

Uses

A phenolic acid antioxidant and chemopreventive agent

Definition

ChEBI: A dihydroxybenzoic acid in which the hydroxy groups are located at positions 3 and 4.

3,4-Dihydroxybenzoic acid Preparation Products And Raw materials

Raw materials

Preparation Products


3,4-Dihydroxybenzoic acid Suppliers

Global( 331)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Capot Chemical Co.,Ltd.
+86 (0)571-855 867 18
+86 (0)571-858 647 95 sales@capotchem.com China 19953 60
Shenzhen Sendi Biotechnology Co.Ltd.
0755-23311925 18102838259
0755-23311925 Abel@chembj.com CHINA 3228 55
Dalian Richfortune Chemicals Co., Ltd
86-411-84820922, 84821539
86-411-84821380 sales@richfortunechem.com China 491 57
Henan Tianfu Chemical Co.,Ltd.
0371-55170693
0371-55170693 info@tianfuchem.com CHINA 20808 55
Mainchem Co., Ltd.
+86-0592-6210733
+86-0592-6210733 sales@mainchem.com CHINA 32766 55
Nanjing ChemLin Chemical Industry Co., Ltd.
025-83697070;product@chemlin.com.cn
product@chemlin.com.cn CHINA 2952 60
Shanghai Zheyan Biotech Co., Ltd.
18017610038
zheyansh@163.com CHINA 3625 58
career henan chemical co
+86-371-86658258
sales@coreychem.com CHINA 7797 58
NINGBO INNO PHARMCHEM CO., LTD.
13867897135
sales@nbinno.com CHINA 931 58
BEST-REAGENT 028-85973071 028-85973075
028-85973075 service@best-reagent.com China 9969 57

View Lastest Price from 3,4-Dihydroxybenzoic acid manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-08-03 3,4-Dihydroxybenzoic acid
99-50-3
US $233.00-169.00 / KG 1KG 98% 500KG

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