4-Chlorophthalic acid

Modify Date: 2026-07-05 22:49:15

4-Chlorophthalic acid Structure
4-Chlorophthalic acid structure
Common Name 4-Chlorophthalic acid
CAS Number 89-20-3 Molecular Weight 200.576
Density 1.6±0.1 g/cm3 Boiling Point 399.5±27.0 °C at 760 mmHg
Molecular Formula C8H5ClO4 Melting Point 285°C
MSDS N/A Flash Point 195.4±23.7 °C

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 4-Chlorophthalic acid
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.6±0.1 g/cm3
Boiling Point 399.5±27.0 °C at 760 mmHg
Melting Point 285°C
Molecular Formula C8H5ClO4
Molecular Weight 200.576
Flash Point 195.4±23.7 °C
Exact Mass 199.987640
PSA 74.60000
LogP 1.98
Vapour Pressure 0.0±1.0 mmHg at 25°C
Index of Refraction 1.630
InChIKey DVIPPHSQIBKWSA-UHFFFAOYSA-N
SMILES O=C(O)c1ccc(Cl)cc1C(=O)O
Water Solubility 0.1-0.5 g/100 mL at 21.5 ºC

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes Xi
Risk Phrases R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Phrases S26-S36/37/39
WGK Germany 3
HS Code 2917399090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2917399090
Summary 2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

 4-Chlorophthalic acidBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Dicer-mediated maturation of pre-microRNA
Source: Center for Chemical Genomics, University of Michigan
Target: N/A
External Id: TargetID_659_CEMA
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

Phthalic acid,4-chloro
4-Chlor-phthalsaeure
4-chloro-1,2-benzenedicarboxylic acid
5-chlorophthalic acid
1,2-Benzenedicarboxylic acid,4-chloro
EINECS 201-886-3
4-Chlorophthalicacid
QVR CG FVQ
4-Chlorophthalic acid
4-chloranylphthalic acid
4-Chlorobenzene-1,2-dicarboxylic acid
4-chlorophthalic aid
MFCD00044755

 4-Chlorophthalic acid | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the CAS number of 4-Chlorophthalic acid?
A: CAS number of 4-Chlorophthalic acid is 89-20-3.
Q: How is the water solubility of 4-Chlorophthalic acid?
A: Water solubility of 4-Chlorophthalic acid: 0.1-0.5 g/100 mL at 21.5 ºC.
Q: What is the English name of 4-Chlorophthalic acid?
A: The English name of 4-Chlorophthalic acid is 4-Chlorophthalic acid.
Q: What are the upstream materials of 4-Chlorophthalic acid?
A: Related upstream materials(CAS) of 4-Chlorophthalic acid: 942-06-3;615-60-1;7440-44-0;56047-23-5;118-45-6;117-21-5;608-23-1;556-97-8;75-65-0;1823-59-2.
Q: What are the downstream products of 4-Chlorophthalic acid?
A: Related downstream products(CAS) of 4-Chlorophthalic acid: 110706-49-5;110706-48-4;528-44-9;610-35-5;6015-57-2;7147-90-2;118-45-6;117-21-5;1470-36-6;1220-95-7.
Q: What is the molecular weight of 4-Chlorophthalic acid?
A: Molecular weight of 4-Chlorophthalic acid is 200.576.
Q: What is the InChIKey of 4-Chlorophthalic acid?
A: InChIKey of 4-Chlorophthalic acid is DVIPPHSQIBKWSA-UHFFFAOYSA-N.
Q: What is the melting point of 4-Chlorophthalic acid?
A: Melting point of 4-Chlorophthalic acid is 285°C.
Q: What is the boiling point of 4-Chlorophthalic acid?
A: Boiling point of 4-Chlorophthalic acid is 399.5±27.0 °C at 760 mmHg.
Q: What English synonyms does 4-Chlorophthalic acid have?
A: English synonyms of 4-Chlorophthalic acid: Phthalic acid,4-chloro, 4-Chlor-phthalsaeure, 4-chloro-1,2-benzenedicarboxylic acid, 5-chlorophthalic acid, 1,2-Benzenedicarboxylic acid,4-chloro, EINECS 201-886-3, 4-Chlorophthalicacid, QVR CG FVQ, 4-Chlorophthalic acid, 4-chloranylphthalic acid, 4-Chlorobenzene-1,2-dicarboxylic acid, 4-chlorophthalic aid, MFCD00044755.

 4-Chlorophthalic acidfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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