3-Chloro-4-fluorobenzoic acid

Modify Date: 2026-07-02 11:13:47

3-Chloro-4-fluorobenzoic acid Structure
3-Chloro-4-fluorobenzoic acid structure
Common Name 3-Chloro-4-fluorobenzoic acid
CAS Number 403-16-7 Molecular Weight 174.557
Density 1.5±0.1 g/cm3 Boiling Point 287.4±20.0 °C at 760 mmHg
Molecular Formula C7H4ClFO2 Melting Point 133-135 °C(lit.)
MSDS Chinese USA Flash Point 127.6±21.8 °C

Summary: 3-Chloro-4-fluorobenzoic acid (Chinese name: 3-氯-4-氟苯甲酸,CAS number: 403-16-7), molecular formula: C7H4ClFO2, molecular weight: 174.557. Appears as gray-white to off-white crystals or needles, melting point 133-135°C. For research-use only, not for medical or clinical usage.


 Names

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

Name 3-Chloro-4-fluorobenzoic 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 1.5±0.1 g/cm3
Boiling Point 287.4±20.0 °C at 760 mmHg
Melting Point 133-135 °C(lit.)
Molecular Formula C7H4ClFO2
Molecular Weight 174.557
Flash Point 127.6±21.8 °C
Exact Mass 173.988388
PSA 37.30000
LogP 3.19
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.558
InChIKey PKTSBFXIHLYGEY-UHFFFAOYSA-N
SMILES O=C(O)c1ccc(F)c(Cl)c1

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Safety Information

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

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi:Irritant;
Risk Phrases R36/37/38
Safety Phrases S37/39-S26
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2916399090

 Synthetic Route

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

~93%

3-Chloro-4-fluorobenzoic acid Structure

3-Chloro-4-fluo...

CAS#:403-16-7

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Literature: Clariant GmbH Patent: US6187952 B1, 2001 ;

~80%

3-Chloro-4-fluorobenzoic acid Structure

3-Chloro-4-fluo...

CAS#:403-16-7

Learn More
Literature: Gohier, Frederic; Castanet, Anne-Sophie; Mortier, Jacques Journal of Organic Chemistry, 2005 , vol. 70, # 4 p. 1501 - 1504

~93%

3-Chloro-4-fluorobenzoic acid Structure

3-Chloro-4-fluo...

CAS#:403-16-7

Learn More
Literature: Korsager, Signe; Taaning, Rolf H.; Skrydstrup, Troels Journal of the American Chemical Society, 2013 , vol. 135, # 8 p. 2891 - 2894

~%

3-Chloro-4-fluorobenzoic acid Structure

3-Chloro-4-fluo...

CAS#:403-16-7

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Literature: Diep,B.K. et al. Journal of the Chemical Society, 1963 , p. 2784 - 2787

~%

3-Chloro-4-fluorobenzoic acid Structure

3-Chloro-4-fluo...

CAS#:403-16-7

Learn More
Literature: Diep,B.K. et al. Journal of the Chemical Society, 1963 , p. 2784 - 2787

 Customs

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

HS Code 2916399090
Summary 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

 Articles1

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Synthesis and Herbicidal Activity of 3-Chloro-4-fluorobenzoylthiourea [J]. Chang-chun LIU.

Chem. World 3 , 010, (2006)

 3-Chloro-4-fluorobenzoic acidBioassay

View more

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

Name: qHTS assay for inhibitors of human lactate dehydrogenase
Source: NCGC
Target: N/A
External Id: LDHA
Name: Primary qHTS Assay for Foot and Mouth Disease Virus Antivirals against NCGC Sytravon ...
Source: NCGC
External Id: stopgo-p2-SytraCBC-dual-FF
Name: Primary qHTS Assay for Foot and Mouth Disease Virus Antivirals against NCGC Sytravon ...
Source: NCGC
External Id: stopgo-p2-SytraCBC-dual-Ren
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 Synonyms

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

3-chloro-4-fluorobenzioc acid
RARECHEM AL BO 0274
3-Chloro-4-fluorobenzoic acid
3-Chloro-4-fluorobenzoicacid
1-chloro-3-fluorobezene
QVR CG DF
4-FLUORO-3-CHLOROBENZOIC ACID
MFCD00042477

 3-Chloro-4-fluorobenzoic acid | FAQ

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

Q: What is the molecular weight of 3-Chloro-4-fluorobenzoic acid?
A: Molecular weight of 3-Chloro-4-fluorobenzoic acid is 174.557.
Q: What English synonyms does 3-Chloro-4-fluorobenzoic acid have?
A: English synonyms of 3-Chloro-4-fluorobenzoic acid: 3-chloro-4-fluorobenzioc acid, RARECHEM AL BO 0274, 3-Chloro-4-fluorobenzoic acid, 3-Chloro-4-fluorobenzoicacid, 1-chloro-3-fluorobezene, QVR CG DF, 4-FLUORO-3-CHLOROBENZOIC ACID, MFCD00042477.
Q: What is the polar surface area (PSA) of 3-Chloro-4-fluorobenzoic acid?
A: Polar surface area (PSA) of 3-Chloro-4-fluorobenzoic acid is 37.30000.
Q: What is the InChIKey of 3-Chloro-4-fluorobenzoic acid?
A: InChIKey of 3-Chloro-4-fluorobenzoic acid is PKTSBFXIHLYGEY-UHFFFAOYSA-N.
Q: What is the CAS number of 3-Chloro-4-fluorobenzoic acid?
A: CAS number of 3-Chloro-4-fluorobenzoic acid is 403-16-7.
Q: What is the molecular formula of 3-Chloro-4-fluorobenzoic acid?
A: Molecular formula of 3-Chloro-4-fluorobenzoic acid is C7H4ClFO2.
Q: What is the boiling point of 3-Chloro-4-fluorobenzoic acid?
A: Boiling point of 3-Chloro-4-fluorobenzoic acid is 287.4±20.0 °C at 760 mmHg.
Q: What is the LogP of 3-Chloro-4-fluorobenzoic acid?
A: LogP of 3-Chloro-4-fluorobenzoic acid is 3.19.
Q: What is the melting point of 3-Chloro-4-fluorobenzoic acid?
A: Melting point of 3-Chloro-4-fluorobenzoic acid is 133-135 °C(lit.).
Q: What is the SMILES notation of 3-Chloro-4-fluorobenzoic acid?
A: SMILES notation of 3-Chloro-4-fluorobenzoic acid is O=C(O)c1ccc(F)c(Cl)c1.

 3-Chloro-4-fluorobenzoic 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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