4-CHLORO-2-HYDROXYQUINOLINE

Modify Date: 2025-08-25 17:24:42

4-CHLORO-2-HYDROXYQUINOLINE Structure
4-CHLORO-2-HYDROXYQUINOLINE structure
Common Name 4-CHLORO-2-HYDROXYQUINOLINE
CAS Number 20146-59-2 Molecular Weight 179.60300
Density 1.38g/cm3 Boiling Point 366.9ºC at 760mmHg
Molecular Formula C9H6ClNO Melting Point 254℃
MSDS N/A Flash Point 175.7ºC

Summary: 4-Chloro-1H-quinolin-2-one (CAS号:20146-59-2), Chinese name: 4-氯-2-羟基喹啉, molecular formula: C9H6ClNO, molecular weight: 179.60300,熔点: 254℃,沸点: 366.9ºC. 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 4-chloro-1H-quinolin-2-one
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 1.38g/cm3
Boiling Point 366.9ºC at 760mmHg
Melting Point 254℃
Molecular Formula C9H6ClNO
Molecular Weight 179.60300
Flash Point 175.7ºC
Exact Mass 179.01400
PSA 33.12000
LogP 2.59380
Vapour Pressure 1.42E-05mmHg at 25°C
Index of Refraction 1.641
InChIKey YJXTZWWKNXVRHA-UHFFFAOYSA-N
SMILES O=c1cc(Cl)c2ccccc2[nH]1

 Safety Information

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

Hazard Codes Xi
HS Code 2933790090

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  5

DownStream  2

 Customs

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

HS Code 2933790090
Summary 2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

 Synonyms

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

4-CHLORO-2-HYDROXYQUINOLINE
4-clorocarbostyril
4-Chlorcarbostyril
4-chloro-2(1H)-quinolinone
2(1H)-Quinolinone,4-chloro
4-Chloroquinolin-2(1H)-one
4-chloroquinolin-2-ol

 4-CHLORO-2-HYDROXYQUINOLINE | FAQ

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

Q: What is the molecular formula of 4-chloro-1H-quinolin-2-one?
A: Molecular formula of 4-chloro-1H-quinolin-2-one is C9H6ClNO.
Q: What is the CAS number of 4-chloro-1H-quinolin-2-one?
A: CAS number of 4-chloro-1H-quinolin-2-one is 20146-59-2.
Q: What English synonyms does 4-chloro-1H-quinolin-2-one have?
A: English synonyms of 4-chloro-1H-quinolin-2-one: 4-CHLORO-2-HYDROXYQUINOLINE, 4-clorocarbostyril, 4-Chlorcarbostyril, 4-chloro-2(1H)-quinolinone, 2(1H)-Quinolinone,4-chloro, 4-Chloroquinolin-2(1H)-one, 4-chloroquinolin-2-ol.
Q: What is the SMILES notation of 4-chloro-1H-quinolin-2-one?
A: SMILES notation of 4-chloro-1H-quinolin-2-one is O=c1cc(Cl)c2ccccc2[nH]1.
Q: What is the English name of 4-chloro-1H-quinolin-2-one?
A: The English name of 4-chloro-1H-quinolin-2-one is 4-chloro-1H-quinolin-2-one.
Q: What is the molecular weight of 4-chloro-1H-quinolin-2-one?
A: Molecular weight of 4-chloro-1H-quinolin-2-one is 179.60300.
Q: What are the downstream products of 4-chloro-1H-quinolin-2-one?
A: Related downstream products(CAS) of 4-chloro-1H-quinolin-2-one: 703-61-7;934687-48-6.
Q: What are the upstream materials of 4-chloro-1H-quinolin-2-one?
A: Related upstream materials(CAS) of 4-chloro-1H-quinolin-2-one: 4637-59-6;703-61-7;105-13-5;74857-00-4;67-56-1.
Q: What is the melting point of 4-chloro-1H-quinolin-2-one?
A: Melting point of 4-chloro-1H-quinolin-2-one is 254℃.
Q: What is the InChIKey of 4-chloro-1H-quinolin-2-one?
A: InChIKey of 4-chloro-1H-quinolin-2-one is YJXTZWWKNXVRHA-UHFFFAOYSA-N.

 4-CHLORO-2-HYDROXYQUINOLINEfactory

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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