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2,4-Dihydroxybenzoic acid

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;-Resorcylicacid;BETA-RESORCYCLIC;B-RESORCYLIC ACID;SS-RESORCYLIC ACID;RARECHEM AL BE 0221;4-Carboxyresorcinol;Dihydroxybenzoic aci
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. 
Store below +30°C.
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)
NIST Chemistry Reference
2,4-Dihydroxybenzoic acid(89-86-1)
EPA Substance Registry System
Benzoic acid, 2,4-dihydroxy-(89-86-1)
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  1
RTECS  VH3708050
TSCA  Yes
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.

2,4-Dihydroxybenzoic acid price More Price(10)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich D109401 2,4-Dihydroxybenzoic acid 97% 89-86-1 5g $20.2 2018-11-13 Buy
Sigma-Aldrich D109401 2,4-Dihydroxybenzoic acid 97% 89-86-1 100g $28 2018-11-13 Buy
TCI Chemical D0568 2,4-Dihydroxybenzoic Acid >98.0%(T) 89-86-1 25g $18 2018-11-22 Buy
TCI Chemical D0568 2,4-Dihydroxybenzoic Acid >98.0%(T) 89-86-1 500g $78 2018-11-22 Buy
Alfa Aesar A13545 2,4-Dihydroxybenzoic acid, 97% 89-86-1 500g $57.5 2018-11-13 Buy

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

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

Uses

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

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( 309)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Shenzhen Sendi Biotechnology Co.Ltd.
0755-23311925 18102838259
0755-23311925 Abel@chembj.com CHINA 3217 55
Henan DaKen Chemical CO.,LTD.
+86-371-55531817
info@dakenchem.com CHINA 22043 58
Henan Tianfu Chemical Co.,Ltd.
0371-55170693
0371-55170693 info@tianfuchem.com CHINA 20786 55
Shanghai Time Chemicals CO., Ltd.
+86-021-57951555
+86-021-57951555 jack.li@time-chemicals.com CHINA 1374 55
Mainchem Co., Ltd.
+86-0592-6210733
+86-0592-6210733 sales@mainchem.com CHINA 32651 55
Shanghai Arbor Chemical Co., Ltd.
021-60451682
021-60451683 act@arborchemical.com CHINA 905 58
Hubei Jusheng Technology Co.,Ltd.
86-188-71490254
peter@hubeijusheng.com CHINA 20229 58
Haihang Industry Co.,Ltd
86-531-88032799
+86 531 8582 1093 export@haihangchem.com CHINA 4558 58
Kono Chem Co., Ltd
+86-132 8924 6953
info@konochemical.com CHINA 2164 58
Hebei Huanhao Biotechnology Co., Ltd.
86-0311-83975816
86-0311-83975816 grace@hbhuanhao.com CHINA 681 58

View Lastest Price from 2,4-Dihydroxybenzoic acid manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-08-20 2,4-Dihydroxybenzoic acid
89-86-1
US $1.00 / KG 1KG 98% 100KG career henan chemical co
2018-11-05 2,4-Dihydroxybenzoic acid
89-86-1
US $45.00-41.00 / KG 1KG 99.3% 100ton/month Hebei Huanhao Biotechnology Co., Ltd.

2,4-Dihydroxybenzoic acid Spectrum


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