HomeMCPWorkbenchSkills
HomeWorkbenchNotificationsMe
Huagongshe Open Program:[email protected]AI access: llms.txt · MCP GuidePrivacy Policy · Terms of Service · Supportv1.7.8
  1. Home
  2. /Compound

Dihydro-2-methyl-3(2H)-thiophenone

HCID 61664
NotesReactions
Basic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
Substructure searchFind similar structures

Basic information

CAS
13679-85-1
Standard SMILES
CC1SCCC1=O
InChIKey
YMZZPMVKABUEBL-UHFFFAOYSA-N
Molecular formula
C5H8OS
Average molar mass
116.18 g/mol
Monoisotopic mass
116.02958605

Overview

2-methylthiolan-3-one is a member of the class of tetrahydrothiophenes that is thiolane substituted by a methyl group at position 2 and an oxo group at position 3 respectively. It has a role as a metabolite and a flavouring agent. It is a cyclic ketone and a member of tetrahydrothiophenes. It derives from a hydride of a tetrahydrothiophene.

Names & identifiers

Preferred name
Dihydro-2-methyl-3(2H)-thiophenone
IUPAC
2-methylthiolan-3-one
English name
Dihydro-2-methyl-3(2H)-thiophenone
Molecular formula
C5H8OS
Molecular weight
116.18

Names & synonyms

13679-85-12-Methyltetrahydrothiophen-3-oneDihydro-2-methyl-3(2H)-thiophenone3(2H)-Thiophenone, dihydro-2-methyl-2-Methyl-3-oxotetrahydrothiopheneFEMA No. 3512Dihydro-2-methyl-3-thiophenone2-Methyl-4,5-dihydro-3(2H)-thiophenoneTN0FKW9W4KDTXSID60864428RefChem:476281DTXCID80812946
Show more names
FEMA 35122-Methyl-3-thiolanone4,5-dihydro-2-blackberry thiophenoneThiolan-3-one, 2-methylThiolan-3-thiol, 2-methylMethyltetrahydrothiophen-3-
237-183-32-Methylthiolan-3-one2-Methyldihydrothiophen-3(2H)-one2-Methylthiolan-3-onUNII-TN0FKW9W4KMFCD00078280xI-Dihydro-2-methyl-3(2H)-thiophenone4,5-Dihydro-2-methylthiophen-3(2H)-one

Database identifiers

CAS
13679-85-1
PubChem CID
61664
DTXSID
DTXSID60864428

Properties

Computed structural properties

XLogP
0.8
Topological polar surface area
42.4 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
2
Rotatable bonds
0
Heavy atoms
7
Formal charge
0
Complexity
90.1

Experimental & physicochemical properties

Food AdditivesFLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT -> FDA Substance added to food
Density0.958-0.970
Flavoring AgentsEU Flavoring substances
Solubility · 2 items

insoluble in water; soluble in alcohol, fats

(in ethanol)

Boiling Point64-65 °C (11 mm Hg)
Refractive Index1.510-1.520

Physicochemical properties

Boiling point
82 °C28 · 82 °C28 mm Hg(lit.)
Density
1.119 g/mL · 1.119 g/mL at 25 °C(lit.)
refractive index
20 · n20/D 1.508(lit.)
FEMA
3512 · 3512 | 2-METHYLTETRAHYDROTHIOPHEN-3-ONE
FLAVIS Number
15.023 · 15.023 | 4,5-Dihydro-2-methylthiophene-3(2H)-one

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 5 items

This chemical does not meet GHS hazard criteria for 6.2% (90 of 1448) of reports.

Warning

H302 (89.3%): Harmful if swallowed [Warning Acute toxicity, oral]

P264, P270, P301+P317, P330, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 1448 reports by companies from 8 notifications to the ECHA C&L Inventory.

Hazard information

Regulatory Information · 2 items

Chemical: 3(2H)-Thiophenone, dihydro-2-methyl-

3(2H)-Thiophenone, dihydro-2-methyl-: Does not have an individual approval but may be used under an appropriate group standard

Hazard Classes and CategoriesAcute Tox. 4 (89.3%)

Safety data

wgk
3
tsca
TSCA listed
hs_code
29309090
risk_code
36/37/38
Signal word
Warning
Symbol(GHS)
GHS07
hazard_code
Xi
safety_code
26-36/37/39
Storage Class
10 - Combustible liquids
target organs
Respiratory system
Hazard statements
H315-H319-H335
Hazard Classifications
Eye Irrit. 2Skin Irrit. 2STOT SE 3

Chemistry & industry

Pharmacology

Cellular LocationsCytoplasm

Uses & manufacturing

Use Classification · 2 items

Flavoring Agents -> JECFA Flavorings Index

Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes

General Manufacturing Information3(2H)-Thiophenone, dihydro-2-methyl-: ACTIVE

Applications

OccurrenceReported found in beer, coffee, corn, roasted peanuts, cooked beef and pork, malt whiskey, grape wines, tea, strawberry and bilberry wine, butter and malt

Uses2-Methyltetrahydrothiophen-3-one is a dually substituted thiophene with butter and balsamic organoleptic qualities.

Suppliers100 total

梯希爱(上海)化成工业发展有限公司021-67121386 · [email protected]
上海阿拉丁生化科技股份有限公司400-6206333 13167063860 · [email protected]
合肥曼奇诺生物医药技术有限公司19719236623 · [email protected]
毕佳索(上海毕得医药科技股份有限公司)400-6005915 · [email protected]
上海麦克林生化科技股份有限公司021-50706066 15221275939 · [email protected]
武汉欣扬瑞和化学科技有限公司13720274133 · [email protected]

Related reactions

0 records
New reaction record

No reaction records under the current filter.

Compound notes

Loading…

On this pageBasic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
ChEBI
CHEBI:87506
UNII
TN0FKW9W4K
EC Number
237-183-3
Nikkaji
J277.987K
Flash point
160 °F · 160 °F
storage temp.
Keep in dark place,Sealed in dry,Room Temperature
form
clear liquid
color
Colorless to Light orange to Yellow
Odor
0.1 % · at 0.10 % in dipropylene glycol. sulfur fruity berry
Odor Type
sulfurous
biological source
synthetic
JECFA Number
499 · 499
BRN
106443 · 106443
Major Application
flavors and fragrances
InChI
1S/C5H8OS/c1-4-5(6)2-3-7-4/h4H,2-3H2,1H3
InChIKey
YMZZPMVKABUEBL-UHFFFAOYSA-N
SMILES
CC1SCCC1=O
LogP
0.2 · 0.20
CAS DataBase Reference
13679 · 13679-85-1(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS)
2 · 2-METHYLTETRAHYDROTHIOPHEN-3-ONE
FDA UNII
0 FKW9W4K · TN0FKW9W4K
NIST Chemistry Reference
3 · 3(2H)-thiophenone, dihydro-2-methyl-(13679-85-1)
EPA Substance Registry System
3 · 3(2H)-Thiophenone, dihydro-2-methyl- (13679-85-1)
UNSPSC Code
12164502 · 12164502
NACRES
21 · NA.21
Symbol(GHS)
7 · GHS07
Signal word
Warning
Hazard statements
315 · H315-H319-H335
Precautionary statements
261 · P261-P264-P271-P280-P302+P352-P305+P351+P338
target organs
Respiratory system
Hazard Codes
Xi
Risk Statements
36 · 36/37/38
Safety Statements
26 · 26-36/37/39
WGK Germany
3 · 3
TSCA
TSCA listed
HS Code
29309090 · 29309090
Storage Class
10 · 10 - Combustible liquids
Hazard Classifications
2 Skin · Eye Irrit. 2Skin Irrit. 2STOT SE 3
Precautionary statements
P261-P264-P271-P280-P302+P352-P305+P351+P338
武汉欣扬瑞和化学科技有限公司153-07155313 15307155313 · [email protected]
清宁生物(江苏博泉生物科技有限公司)王 19352250998 13160238781 · [email protected]
爱斯特(成都)生物制药股份有限公司+86-28-85122536 85324413 · [email protected]
Baoji Guokang Healthchem co.,ltd+8615604608665 15604608665 · [email protected]
Dayang Chem (Hangzhou) Co.,Ltd.+86-0571-88938639 17705817739 · [email protected]
郑州鸿晟医药科技有限公司0371-55695890 15637198702 · [email protected]
武汉绿景丰华生物科技有限公司19972070065 · [email protected]
郑州德元凯化工有限公司17837139533 · [email protected]
北京华威锐科化工有限公司0757-86329057 18934348241 · [email protected]
上海颖心实验室设备有限公司021-59178156 17002132182 · [email protected]
阿法埃莎(中国)化学有限公司400-6106006 · [email protected]
安耐吉化学&3A(安徽泽升科技股份有限公司)400-0056266 · [email protected]
石家庄利达化学品有限公司+86 (311) 8573-7996 · [email protected]
天津万象恒远科技有限公司15722085254 · [email protected]
吉良化学21-62165282 · [email protected]
武汉丰泰威远科技有限公司027-87465837 19945049750 · [email protected]
孝感深远化工有限公司15527621225; 15527621225 · [email protected]
苏州启航生物科技有限公司18662190603;18151111370 · [email protected]
天津希恩思生化科技有限公司400 638 7771 · [email protected]
Xiamen AmoyChem Co., Ltd+86-86-5926051114 · [email protected]
青岛保税区鲁联国际贸易有限公司0532-83893697 18561902820 · [email protected]
上海思域化工科技有限公司86-21-34053660 · [email protected]
TCI AMERICA800-4238616 · [email protected]
TOKYO CHEMICAL INDUSTRY CO., LTD.03-36680489 · [email protected]
TCI Europe320-37350700 · [email protected]
越林试剂021-62960152 · [email protected]
武汉普洛夫生物科技有限公司17612776928 · [email protected]
苏州亚科科技股份有限公司0512-87182055 13451648594 · [email protected]
上海将来实业股份有限公司021-61552785 · [email protected]
北京奥秘佳得医药科技有限公司+86-13522808617 · [email protected]
成都零六生物科技有限公司400-1166-196 13458535857 · [email protected]
上海卓因生物科技有限公司021-61317773 · [email protected]
南京多隆生物科技有限公司18905173768 · [email protected]
南京恰风和医药科技有限公司025-57018978 18251899859 · [email protected]
江苏艾康生物医药研发有限公司025-66028182 17714375163 · [email protected]
上海孚一生物科技有限公司+86 (21) 61124340
上海兴鲁化工科技有限公司02120970332 · [email protected]
湖北巨胜科技有限公司027-59599241 18871490274 · [email protected]
Sigma-Aldrich西格玛奥德里奇(上海)贸易有限公司021-61415566 800-8193336 · [email protected]
康迪斯化工(湖北)有限公司13343438265 · [email protected]
江苏倍达医药科技有限公司0512-63009836 18994340901 · [email protected]
九鼎化学(上海)科技有限公司4009209199 · [email protected]
武汉峰耀同辉化学制品有限公司027-87466205 15377579727 · [email protected]
厦门志信化学有限公司+86-5922680277 +86-13806087780 · [email protected]
Additional notes · 1 item

DefinitionChEBI: 2-methylthiolan-3-one is a member of the class of tetrahydrothiophenes that is thiolane substituted by a methyl group at position 2 and an oxo group at position 3 respectively. It has a role as a flavouring agent and a metabolite. It is a member of tetrahydrothiophenes and a cyclic ketone. It derives from a hydride of a tetrahydrothiophene.