Uses Toxicity Usage limits Chemical properties Application Preparation
ChemicalBook > CAS DataBase List > 2,4-Dihydroxybenzoic acid

2,4-Dihydroxybenzoic acid

Uses Toxicity Usage limits Chemical properties Application Preparation
Product Name
2,4-Dihydroxybenzoic acid
CAS No.
89-86-1
Chemical Name
2,4-Dihydroxybenzoic acid
Synonyms
2,4-Dhba;2,4-Dihydroxybenzoesure;4-Dihydroxybenzoic acid;2,4-DIHYDROXYBENZOIC ACID / BETA-RESORCYLIC ACID;BRA;Coupler 320;2,4-Dihydrox;-Resorcylicacid;BETA-RESORCYCLIC;B-RESORCYLIC ACID
CBNumber
CB4467889
Molecular Formula
C7H6O4
Formula Weight
154.12
MOL File
89-86-1.mol
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2,4-Dihydroxybenzoic acid Property

Melting point:
208-211 °C (dec.) (lit.)
Boiling point:
237.46°C (rough estimate)
Density 
1.3725 (rough estimate)
vapor pressure 
0Pa at 25℃
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
Odor
at 100.00?%. mild phenolic
Water Solubility 
8 g/L (20 ºC)
Merck 
14,8157
JECFA Number
908
BRN 
1946213
InChIKey
UIAFKZKHHVMJGS-UHFFFAOYSA-N
LogP
0.98 at 23℃ and pH3.5
CAS DataBase Reference
89-86-1(CAS DataBase Reference)
NIST Chemistry Reference
2,4-Dihydroxybenzoic acid(89-86-1)
EPA Substance Registry System
2,4-Resorcylic acid (89-86-1)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36-37/39
WGK Germany 
1
RTECS 
VH3708050
TSCA 
Yes
HS Code 
29182990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
D109401
Product name
2,4-Dihydroxybenzoic acid
Purity
97%
Packaging
5g
Price
$47.5
Updated
2024/03/01
Sigma-Aldrich
Product number
D109401
Product name
2,4-Dihydroxybenzoic acid
Purity
97%
Packaging
100g
Price
$51.9
Updated
2024/03/01
TCI Chemical
Product number
D0568
Product name
2,4-Dihydroxybenzoic Acid
Purity
>98.0%(T)
Packaging
25g
Price
$34
Updated
2024/03/01
TCI Chemical
Product number
D0568
Product name
2,4-Dihydroxybenzoic Acid
Purity
>98.0%(T)
Packaging
500g
Price
$159
Updated
2024/03/01
Alfa Aesar
Product number
A13545
Product name
2,4-Dihydroxybenzoic acid, 97%
Packaging
100g
Price
$28.6
Updated
2024/03/01
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2,4-Dihydroxybenzoic acid Chemical Properties,Usage,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

  • The product has the chemical properties of both resorcinol and salicylic acid. It can be used in chemical reagents for colorimetric determination of iron, titanium and other elements; for organic synthesis, it is mainly used for dyes and pharmaceutical intermediates. 2, 4-dihydroxybenzoic acid is a major raw material during the production of acidic medicated pink 3BM, which consumes 157 kg per ton of dye (by 100%).
  • Used as a dye intermediate, medicine and reagents
  • Used as dyes, pharmaceuticals, pesticide intermediates

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

2,4-Dihydroxybenzoic acid is used in Intermediates, Plasticizers, Plastic and Rubber Products, a organic building block.

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

Resorcinol Sodium bicarbonate

Preparation Products

2,4-Dimethoxybenzoic acid 2,6-Dihydroxybenzoic acid 4-Methoxysalicylic acid
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2,4-Dihydroxybenzoic acid Suppliers

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View Lastest Price from 2,4-Dihydroxybenzoic acid manufacturers

Ouhuang Engineering Materials (Hubei) Co., Ltd
Product
2,4-Dihydroxybenzoic acid 89-86-1
Price
US $20.00/kg
Min. Order
1kg
Purity
99.9%
Supply Ability
200000kg
Release date
2024-04-26
Ouhuang Engineering Materials (Hubei) Co., Ltd
Product
2,4-Dihydroxybenzoic acid 89-86-1
Price
US $50.00/kg
Min. Order
1kg
Purity
99.10%
Supply Ability
5000kg
Release date
2024-04-19
Hebei Saisier Technology Co., LTD
Product
2,4-Dihydroxybenzoic acid 89-86-1
Price
US $6.00/KG
Min. Order
1KG
Purity
More than 99%
Supply Ability
2000KG/Month
Release date
2024-04-19

89-86-1, 2,4-Dihydroxybenzoic acidRelated Search:

Butylparaben 3-Hydroxybenzoic acid 4-Hydroxybenzoic acid Methylparaben Ethyl 2-(Chlorosulfonyl)acetate Citric acid Folic acid Glycine 2,3,4-Trihydroxybenzoic acid 2'-Hydroxy-3-phenylpropiophenone Salicylic acid Ascoric Acid 2,5-DIHYDROXYBENZOIC ACID 2,3-DIHYDROXYBENZOIC ACID,DIHYDROXYBENZOIC ACID, 2,3- Methyl 3,4-dihydroxybenzoate 3,5-DIHYDROXYBENZOIC ACID Protocatechuic acid 2,6-DIHYDROXYBENZOIC ACID

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