6-Methylbenzothiopyran-4(4H)-one

Modify Date: 2025-08-25 08:45:27

6-Methylbenzothiopyran-4(4H)-one Structure
6-Methylbenzothiopyran-4(4H)-one structure
 Common Name 6-Methylbenzothiopyran-4(4H)-one
CAS Number 6948-34-1 Molecular Weight 178.25100
Density 1.2 g/cm3 Boiling Point 326.2ºC at 760 mmHg
Molecular Formula C10H10OS Melting Point 41-45ºC(lit.)
MSDS Chinese USA Flash Point >110ºC
Symbol GHS07
GHS07		 Signal Word Warning

 Names

Name 6-methyl-2,3-dihydrothiochromen-4-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2 g/cm3
Boiling Point 326.2ºC at 760 mmHg
Melting Point 41-45ºC(lit.)
Molecular Formula C10H10OS
Molecular Weight 178.25100
Flash Point >110ºC
Exact Mass 178.04500
PSA 42.37000
LogP 2.67350
Index of Refraction 1.61

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H319
Precautionary Statements P305 + P351 + P338
Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Safety Phrases S22-S24/25
RIDADR NONH for all modes of transport
HS Code 2932999099

 Synthetic Route

Propanoic acid,3-[(4-methylphenyl)thio]- structure

Propanoic acid,...

CAS#:13739-35-0

~84%

6-Methylbenzothiopyran-4(4H)-one Structure

6-Methylbenzoth...

CAS#:6948-34-1

Literature: Li, Ji-Tai; Li, Hong-Ya; Li, Hui-Zhang; Xiao, Li-Wei Journal of Chemical Research, 2004 , # 6 p. 394 - 395
P-toluenethiol structure

P-toluenethiol

CAS#:106-45-6

~%

6-Methylbenzothiopyran-4(4H)-one Structure

6-Methylbenzoth...

CAS#:6948-34-1

Literature: Chemische Berichte, , vol. 56, p. 1822
Sodium 4-methylbenzenethiolate structure

Sodium 4-methyl...

CAS#:10486-08-5

~%

6-Methylbenzothiopyran-4(4H)-one Structure

6-Methylbenzoth...

CAS#:6948-34-1

Literature: Journal of Chemical Research, , # 6 p. 394 - 395
Sulfuric acid structure

Sulfuric acid

CAS#:7664-93-9

Propanoic acid,3-[(4-methylphenyl)thio]- structure

Propanoic acid,...

CAS#:13739-35-0

~%

6-Methylbenzothiopyran-4(4H)-one Structure

6-Methylbenzoth...

CAS#:6948-34-1

Literature: Chemische Berichte, , vol. 56, p. 1822 Chemische Berichte, , vol. 56, p. 1275 Chemische Berichte, , vol. 58, p. 1632

 Customs

HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

2,3-dihydro-6-methyl-4H-1-benzothiopyran-4-one
6-methyl-2,3-dihydro-4h-thiochromen-4-one
6-Methyl-1-thio-chromanon-(4)
6-Methyl-thiochroman-4-on
6-methyl-3,4-dihydro-2H-1-benzothiopyran-4-one
6-methyl-thiochroman-4-one
EINECS 230-114-8
MFCD00089270
6-methylthiochromanone
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