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4-Hydroxyphthalic acid

CAS No.
610-35-5
Chemical Name:
4-Hydroxyphthalic acid
Synonyms
AKOS 237-77;4-HydroxyphthaL;3,4-DICARBOXYPHENOL;RARECHEM AL BO 0808;4-HYDROXYPHTHALIC ACID;4-HydroxyphthalicAcid>4-Hydroxyphthalic acid 98%;4-Hydroxyphthalic acid,98%;4-hydroxy phthalic acid 4-HPA;4-Hydroxyphthalic acid, 98% 5GR
CBNumber:
CB2736129
Molecular Formula:
C8H6O5
Molecular Weight:
182.13
MDL Number:
MFCD00013984
MOL File:
610-35-5.mol
MSDS File:
SDS
Last updated:2026-01-06 15:52:27
Product description Number Pack Size Price
4-Hydroxyphthalic Acid >98.0%(T) H0609 5g $62
4-Hydroxyphthalic acid 98% H48239 1g $10
4-Hydroxyphthalic acid 98% H48239 5g $14
4-Hydroxyphthalic acid 98% H48239 10g $18
4-Hydroxyphthalic acid 98% H48239 25g $31
More product size

4-Hydroxyphthalic acid Properties

Melting point 191-194 °C
Boiling point 235.5°C (rough estimate)
Density 1.3293 (rough estimate)
refractive index 1.4330 (estimate)
storage temp. Sealed in dry,Room Temperature
solubility DMSO (Slightly), Methanol (Slightly)
pka 3.13±0.10(Predicted)
form Powder
color White to off-white
Water Solubility Slightly miscible with water.
InChI InChI=1S/C8H6O5/c9-4-1-2-5(7(10)11)6(3-4)8(12)13/h1-3,9H,(H,10,11)(H,12,13)
InChIKey MWRVRCAFWBBXTL-UHFFFAOYSA-N
SMILES C1(C(O)=O)=CC=C(O)C=C1C(O)=O
CAS DataBase Reference 610-35-5(CAS DataBase Reference)
EPA Substance Registry System 1,2-Benzenedicarboxylic acid, 4-hydroxy- (610-35-5)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H315-H319
Precautionary statements  P264-P280a-P305+P351+P338-P321-P332+P313-P337+P313
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  24/25
TSCA  TSCA listed
HS Code  29182900
NFPA 704
1
1 0

4-Hydroxyphthalic acid price More Price(36)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical H0609 4-Hydroxyphthalic Acid >98.0%(T) 610-35-5 5g $62 2026-04-30 Buy
Synthonix H48239 4-Hydroxyphthalic acid 98% 610-35-5 1g $10 2026-05-06 Buy
Synthonix H48239 4-Hydroxyphthalic acid 98% 610-35-5 5g $14 2026-05-06 Buy
Synthonix H48239 4-Hydroxyphthalic acid 98% 610-35-5 10g $18 2026-05-06 Buy
Synthonix H48239 4-Hydroxyphthalic acid 98% 610-35-5 25g $31 2026-05-06 Buy
Product number Packaging Price Buy
H0609 5g $62 Buy
H48239 1g $10 Buy
H48239 5g $14 Buy
H48239 10g $18 Buy
H48239 25g $31 Buy

4-Hydroxyphthalic acid Chemical Properties,Uses,Production

Chemical Properties

off-white to white powder

Uses

4-Hydroxyphthalic acid is used as a precursor to prepare 3,5-dichloro-4-hydroxyphthalic acid using the reagent aqueous acetic acid and chlorine. Further, it is also used as a starting material in the manufacture of N-(4-carboxyphenyl)-4-acetoxyphthalimide.

Definition

ChEBI: 4-hydroxyphthalic acid is a hydroxybenzoic acid that is phthalic acid in which the hydrogen at position 4 is substituted by a hydroxy group. It is a member of phenols and a hydroxybenzoic acid. It derives from a phthalic acid.

86-90-8
610-35-5
Synthesis of 4-Hydroxyphthalic acid from 4-BROMO PHTHALIC ANHYDRUS
Global( 288)Suppliers
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YiZheng HaiFan Chemical CO., LTD.
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View Lastest Price from 4-Hydroxyphthalic acid manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
4-hydroxyphthalic acid pictures 2026-05-13 4-hydroxyphthalic acid
610-35-5
US $0.00 / kg/paper drum 25kg/paper drum 95% 20 tons YiZheng HaiFan Chemical CO., LTD.
4-Hydroxyphthalic acid pictures 2026-03-20 4-Hydroxyphthalic acid
610-35-5
US $9.90 / KG 1KG 99% 10 mt Hebei Chuanghai Biotechnology Co., Ltd
4-Hydroxyphthalic acid pictures 2026-02-02 4-Hydroxyphthalic acid
610-35-5
US $0.00-0.00 / kg 1kg 99% 2000tons Shaanxi Dideu Medichem Co. Ltd
RARECHEM AL BO 0808 4-hydroxy-2-benzenedicarboxylicacid AKOS 237-77 4-HYDROXYPHTHALIC ACID 4-HYDROXY-1,2-BENZENEDICARBOXYLIC ACID 3,4-DICARBOXYPHENOL 4-hydroxy phthalic acid 4-HPA 4-Hydroxyphthalic acid,98% 4-Hydroxyphthalic acid 98% 3,4-Dicarboxyphenol, 4-Hydroxy-1,2-benzenedicarboxylic acid 4-hydroxybenzene-1,2-dicarboxylic acid 4-Hydroxyphthalic acid, 98% 5GR 4-HydroxyphthalicAcid> 4-HydroxyphthaL 1,2-Benzenedicarboxylic acid, 4-hydroxy- 4-Hydroxyphthalic acid(10gx1, 5gx2) 610-35-5 610-35-3 Phthalic Acids, Esters and Derivatives