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2,4-Dihydroxybenzoic acid

Uses Toxicity Usage limits Chemical properties Application Preparation
2,4-Dihydroxybenzoic acid
2,4-Dihydroxybenzoic acid structure
CAS No.
89-86-1
Chemical Name:
2,4-Dihydroxybenzoic acid
Synonyms
BRA;2,4-Dhba;Coupler 320;2,4-Dihydrox;-Resorcylicacid;BETA-RESORCYCLIC;B-RESORCYLIC ACID;SS-RESORCYLIC ACID;4-Carboxyresorcinol;RARECHEM AL BE 0221
CBNumber:
CB4467889
Molecular Formula:
C7H6O4
Formula Weight:
154.12
MOL File:
89-86-1.mol

2,4-Dihydroxybenzoic acid Properties

Melting point:
208-211 °C (dec.) (lit.)
Boiling point:
237.46°C (rough estimate)
Density 
1.3725 (rough estimate)
refractive index 
1.6710 (estimate)
FEMA 
3798 | 2,4-DIHYDROXYBENZOIC ACID
Flash point:
200 °C
storage temp. 
Inert atmosphere,Room Temperature
solubility 
8g/l
form 
Crystalline Powder
pka
3.11, 8.55, 14.0(at 25℃)
color 
Cream to slightly beige or pink
Water Solubility 
8 g/L (20 ºC)
Merck 
14,8157
JECFA Number
908
BRN 
1946213
InChIKey
UIAFKZKHHVMJGS-UHFFFAOYSA-N
CAS DataBase Reference
89-86-1(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS)
2,4-DIHYDROXYBENZOIC ACID
EWG's Food Scores
1
FDA UNII
LU39SC9JYL
NIST Chemistry Reference
2,4-Dihydroxybenzoic acid(89-86-1)
EPA Substance Registry System
2,4-Resorcylic acid (89-86-1)
SAFETY
  • Risk and Safety Statements
Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P280a-P304+P340-P305+P351+P338-P405-P501a-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36-37/39
WGK Germany  1
RTECS  VH3708050
TSCA  Yes
HS Code  29182990

2,4-Dihydroxybenzoic acid price More Price(11)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich D109401 2,4-Dihydroxybenzoic acid 97% 89-86-1 5g $21.5 2021-03-22 Buy
Sigma-Aldrich D109401 2,4-Dihydroxybenzoic acid 97% 89-86-1 100g $30.8 2021-03-22 Buy
Sigma-Aldrich W379808 2,4-Dihydroxybenzoic acid ≥97% 89-86-1 1 kg $151 2021-03-22 Buy
TCI Chemical D0568 2,4-Dihydroxybenzoic Acid >98.0%(T) 89-86-1 25g $19 2021-03-22 Buy
TCI Chemical D0568 2,4-Dihydroxybenzoic Acid >98.0%(T) 89-86-1 500g $88 2021-03-22 Buy

2,4-Dihydroxybenzoic acid Chemical Properties,Uses,Production

Uses

2,4-Dihydroxybenzoic acid is a useful synthetic intermediate. An organic building block for plastics and rubber products.

Toxicity

GRAS (FEMA).

Usage limits

FEMA (mg/kg): cold drink: 450; Meat, dairy, processed vegetables, 100; fudge, gel, pudding, snack food, beverages, breakfast cereals, fats, cheeses, poultry products, fish, spices, sweet sauce, dairy products, meat soup, fruit ice Egg products, jams, jelly, rehydrated vegetables, 500; soup: 250; jelly sugar: 3333; instant coffee and tea: 12.5; sugar substitute: 12500; seasoning spices: 25000.

Chemical properties

It appears as white needle crystal. It will contain crystal water upon crystallization from the water. It appears as an anhydride at 100 ℃. Melting point 218-219 ° C (it has a melting point of 213 ° C upon thermal shock). Soluble in hot water, ethanol, ether. Cooking in water, acid or salt solution will remove carbon dioxide. It exhibits red color upon reaction with ferric chloride.

Application

Preparation

It is derived from the hydroxylation of resorcinol.

Chemical Properties

cream to slightly beige or pink crystalline powder

Chemical Properties

Dihydroxybenzoic acid is a colorless solid and is used as a flavor modifier.

Occurrence

Reported present in avocados, beer, red wine, roast coffee, sherry, smoked sausage and white wine

Uses

Intermediate for dyestuffs and drugs; spot test reagent for iron.

Preparation

Prepared from resorcinol and potassium bicarbonate in glycerol or water by heating and passing carbon dioxide through the mixture.

Purification Methods

Crystallise the acid from water. [Beilstein 10 IV 1420.]

2,4-Dihydroxybenzoic acid Preparation Products And Raw materials

Raw materials

Preparation Products


2,4-Dihydroxybenzoic acid Suppliers

Global( 437)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Hangzhou Cherry Pharmaceutical Technology Co.,ltd
0571-81636070
0571-81636070 info@cherrypharmatech.com CHINA 199 58
Henan DaKen Chemical CO.,LTD.
+86-371-66670886
info@dakenchem.com China 21032 58
Henan Tianfu Chemical Co.,Ltd.
0371-55170693
0371-55170693 info@tianfuchem.com CHINA 22607 55
Shanghai Time Chemicals CO., Ltd.
+8618017249410 +86-021-57951555
+86-021-57951555 jack.li@time-chemicals.com CHINA 1365 55
career henan chemical co
+86-371-86658258
sales@coreychem.com CHINA 29961 58
NINGBO INNO PHARMCHEM CO., LTD.
13867897135
sales@nbinno.com CHINA 925 58
Shanghai Arbor Chemical Co., Ltd.
021-60451682
021-60451683 act@arborchemical.com CHINA 906 58
Hubei Jusheng Technology Co.,Ltd.
86-18871470254
027-59599243 linda@hubeijusheng.com CHINA 28229 58
Xiamen AmoyChem Co., Ltd
+86 592-605 1114
sales@amoychem.com CHINA 6369 58
Xi'an Kono chem co., Ltd.,
13289246953 029-86107037
info@konochemical.com CHINA 3000 58

View Lastest Price from 2,4-Dihydroxybenzoic acid manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2021-10-20 2,4-Dihydroxybenzoic acid
89-86-1
US $10.00 / g 100g 99% 1000ton/Month Wuhan wingroup Pharmaceutical Co., Ltd
2021-10-19 2,4-Dihydroxybenzoic acid
89-86-1
US $48.00-40.00 / KG 1KG 99% 20tons Guangzhou Sunton Biotechnology Co., Ltd.
2021-09-07 2,4-Dihydroxybenzoic acid
89-86-1
US $10.00 / Kg/Drum 1KG 99% 5000tons per month Wuhan Mulei New Material Technology Co. Ltd

2,4-Dihydroxybenzoic acid Spectrum


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