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2,4-Dimethylthiazole

HCID 10934
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Basic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Basic information

CAS
541-58-2
Standard SMILES
Cc1csc(C)n1
InChIKey
OBSLLHNATPQFMJ-UHFFFAOYSA-N
Molecular formula
C5H7NS
Average molar mass
113.18 g/mol
Monoisotopic mass
113.0299204

Overview

2,4-Dimethylthiazole is a member of thiazoles.

Names & identifiers

Preferred name
2,4-Dimethylthiazole
IUPAC
2,4-dimethyl-1,3-thiazole
English name
2,4-Dimethylthiazole
Molecular formula
C5H7NS
Molecular weight
113.18

Names & synonyms

2,4-DIMETHYLTHIAZOLE2,4-Dimethyl-1,3-thiazoleThiazole, 2,4-dimethyl-2,4-MethylthiazoleNSC 7510EINECS 208-786-9UNII-LHT97038OABRN 0106414LHT97038OANSC-75104-27-00-00981 (Beilstein Handbook Reference)DTXSID2060250
Show more names
JACS-541-58-2Compound Fr145654-DiMethylthiazole2,4-dimethyl-thiazol2,4-Dimethylthiazole,97%2,4-Dimethylthiazole,98%
RefChem:82556DTXCID2041597208-786-9OBSLLHNATPQFMJ-UHFFFAOYSA-N541-58-2dimethylthiazol2,4-dimethyl thiazole2,4-dimethyl-thiazole

Database identifiers

CAS
541-58-2
PubChem CID
10934
DTXSID
DTXSID2060250
ChEBI
CHEBI:193946
UNII
LHT97038OA
EC Number
208-786-9
Nikkaji
J45.578D

Properties

Computed structural properties

XLogP
1.8
Topological polar surface area
41.1 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
2
Rotatable bonds
0
Heavy atoms
7
Formal charge
0
Complexity
65.1

Experimental & physicochemical properties

SpringerMaterials PropertiesBoiling point
Flavoring AgentsEU Flavoring substances
Boiling Point145.00 °C. @ 760.00 mm Hg
Melting Point69.00 °C. @ 760.00 mm Hg

Physicochemical properties

Melting point
272 °C · 272 °C
Boiling point
146 °C · 146 °C
Density
1.06 · 1.06
refractive index
1.51 · 1.51
FLAVIS Number
15.062 · 15.062 | 2,4-Dimethylthiazole
Flash point
43 °C · 43 °C
storage temp.
Inert atmosphere,Room Temperature
pka
1 · pK1:3.98 (25°C,μ=0.1)
form
clear liquid

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 · 4 items

Warning

H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]

P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 162 reports by companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory Information · 3 items

Chemical: Thiazole, 2,4-dimethyl-

Commission Regulation (EC) No 1565/2000 (Repealed by Com. Implementing Reg. (EU) No 872/2012)

Thiazole, 2,4-dimethyl-: Does not have an individual approval but may be used under an appropriate group standard

Hazard Classes and CategoriesFlam. Liq. 3 (100%)

Safety data

wgk
3
tsca
TSCA listed
rtecs
XJ4375000
ridadr
UN 1993 3/PG 3
hs_code
29339900
risk_code
10-36/37/38
Signal word
Warning
Symbol(GHS)
GHS02,GHS07
hazard_code
Xi,F
safety_code
16-26-36-37/39

Chemistry & industry

Pharmacology

Cellular LocationsCytoplasm

Uses & manufacturing

General Manufacturing InformationThiazole, 2,4-dimethyl-: ACTIVE

Applications

Uses2,4-Dimethylthiazole is a substance used in the preparation of insects repellant. It also functions as an anesthetic for aquatic animals. 2,4-Dimethylthiazole is a flavor component of peanut oils.

Upstream & downstream products

Upstream raw materials

2,2-dichloropropaneAnhydrous benzeneAcetamideChloroacetonePhosphorus pentasulfideThiazole, 4,5-dihydro-2,4-dimethyl-Dimethyl Oxazole2-Propanone, 1-mercapto-4-Chloromethyl-2-methylthiazole hydrochlorideCHLORIDE STANDARD4-MethylthiazoleLithium tetrachloroaurate(III)

Related reactions

21 records
New reaction record
HRID 900441 reaction equation
HRID 900441As reactantuspto-grants-2008_04
HRID 935062 reaction equation
HRID 935062As reactantValidation data from https://doi.org/10.1039/C8SC04228D
HRID 958965 reaction equation
HRID 958965As reactantValidation data from https://doi.org/10.1039/C8SC04228D
HRID 1080184 reaction equation
HRID 1080184As reactantuspto-grants-1996_12
HRID 1228368 reaction equation
HRID 1228368As reactantTraining data from https://doi.org/10.1039/C8SC04228D (5/10)
HRID 1233672 reaction equation
HRID 1233672As reactantTraining data from https://doi.org/10.1039/C8SC04228D (5/10)
HRID 1432598 reaction equation
HRID 1432598As reactantuspto-grants-2009_11
HRID 1563987 reaction equation
HRID 1563987As reactantTraining data from https://doi.org/10.1039/C8SC04228D (1/10)
Page 1 of 3

Compound notes

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On this pageBasic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
More actions
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color
Colorless to Light yellow to Light orange
Specific Gravity
1.06 · 1.06
Odor
0.1 % · at 0.10 % in dipropylene glycol. coffee tea beefy roasted barley
Odor Type
coffee
Water Solubility
Slightly soluble in water
BRN
106414 · 106414
LogP
0.361 · 0.361 (est)
CAS DataBase Reference
541 · 541-58-2(CAS DataBase Reference)
EWG's Food Scores
1 · 1
FDA UNII
97038 OA · LHT97038OA
NIST Chemistry Reference
2 · Thiazole, 2,4-dimethyl-(541-58-2)
EPA Substance Registry System
2 · Thiazole, 2,4-dimethyl- (541-58-2)
Symbol(GHS)
2 · GHS02,GHS07
Signal word
Warning
Hazard statements
226 · H226-H315-H319-H335
Precautionary statements
303 · P303+P361+P353-P405-P501a-P210-P233-P240-P241+P242+P243-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P370+P378-P403+P235-P501-P261-P305+P351+P338
Hazard Codes
Xi,F
Risk Statements
10 · 10-36/37/38
Safety Statements
16 · 16-26-36-37/39
RIDADR
1993 · UN 1993 3/PG 3
WGK Germany
3 · 3
RTECS
4375000 · XJ4375000
TSCA
TSCA listed
HazardClass
3 · 3
PackingGroup
III
HS Code
29339900 · 29339900
Limited Quantities
5 L · 5.0 L (1.3 gallons) (liquid)
Excepted Quantities
Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)
hazard_class
3
packing_group
III
Hazard statements
H226-H315-H319-H335
Limited Quantities
5.0 L (1.3 gallons) (liquid)
Excepted Quantities
Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)
Precautionary statements
P303+P361+P353-P405-P501a-P210-P233-P240-P241+P242+P243-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P370+P378-P403+P235-P501-P261-P305+P351+P338
Hydrochloric acid
Acetonitrile
Dimethyl sulfate
Thioacetamide

Downstream products

Trimethyl thiazole4-Methyl-2-thiazolecarboxaldehyde 972-Ethyl-4-methyl thiazole

Additional notes

DefinitionChEBI: 2,4-Dimethylthiazole is a member of thiazoles.