2-methylchromene-4-thione

Modify Date: 2026-09-25 14:52:04

2-methylchromene-4-thione Structure
2-methylchromene-4-thione structure
Common Name 2-methylchromene-4-thione
CAS Number 51138-52-4 Molecular Weight 176.23500
Density 1.24g/cm3 Boiling Point 254ºC at 760 mmHg
Molecular Formula C10H8OS Melting Point N/A
MSDS N/A Flash Point 107.4ºC

Summary: 2-Methylchromene-4-thione (Chinese name: 2-甲基香喃-4-硫酮, CAS number: 51138-52-4) is an organic compound with molecular formula C10H8OS and molecular weight 176.23500. 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 2-methylchromene-4-thione
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 1.24g/cm3
Boiling Point 254ºC at 760 mmHg
Molecular Formula C10H8OS
Molecular Weight 176.23500
Flash Point 107.4ºC
Exact Mass 176.03000
PSA 45.23000
LogP 3.47070
Index of Refraction 1.653
InChIKey PQJVKDVVNUPEPT-UHFFFAOYSA-N
SMILES Cc1cc(=S)c2ccccc2o1

 Precursor & DownStream

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

Precursor  2

DownStream  4

 Synonyms

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

2-methylbenzopyran-4-thione
2-Methyl-chromen-4-thion
2-methyl-4-thiochromone
2-methylchromone-4-thione
2-methyl-4h-chromene-4-thione
2-methyl-chromene-4-thione

 2-methylchromene-4-thione | 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 2-methylchromene-4-thione?
A: CAS number of 2-methylchromene-4-thione is 51138-52-4.
Q: What is the boiling point of 2-methylchromene-4-thione?
A: Boiling point of 2-methylchromene-4-thione is 254ºC at 760 mmHg.
Q: What English synonyms does 2-methylchromene-4-thione have?
A: English synonyms of 2-methylchromene-4-thione: 2-methylbenzopyran-4-thione, 2-Methyl-chromen-4-thion, 2-methyl-4-thiochromone, 2-methylchromone-4-thione, 2-methyl-4h-chromene-4-thione, 2-methyl-chromene-4-thione.
Q: What are the upstream materials of 2-methylchromene-4-thione?
A: Related upstream materials(CAS) of 2-methylchromene-4-thione: 5751-48-4;16636-62-7.
Q: What is the polar surface area (PSA) of 2-methylchromene-4-thione?
A: Polar surface area (PSA) of 2-methylchromene-4-thione is 45.23000.
Q: What is the English name of 2-methylchromene-4-thione?
A: The English name of 2-methylchromene-4-thione is 2-methylchromene-4-thione.
Q: What is the molecular weight of 2-methylchromene-4-thione?
A: Molecular weight of 2-methylchromene-4-thione is 176.23500.
Q: What is the Chinese name of 51138-52-4?
A: Chinese name of 51138-52-4 is 51138-52-4.
Q: What is the InChIKey of 2-methylchromene-4-thione?
A: InChIKey of 2-methylchromene-4-thione is PQJVKDVVNUPEPT-UHFFFAOYSA-N.
Q: What are the downstream products of 2-methylchromene-4-thione?
A: Related downstream products(CAS) of 2-methylchromene-4-thione: 15058-15-8;5751-48-4;51138-45-5;51138-54-6.

 2-methylchromene-4-thionefactory

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

Dayang Chem (Hangzhou) Co., Ltd.
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