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2,4-Dimethylthiazole

2,4-Dimethylthiazole structure

CAS No:
541-58-2
Formula:
C5H7NS
Chemical Name:
2,4-Dimethylthiazole
Synonyms:
Thiazole,2,4-dimethyl-;2,4-Dimethylthiazole;2,4-Methylthiazole;2,4-Dimethyl-1,3-thiazole;NSC 7510
Categories:
Flavors and Fragrances > Synthetic Fragrances

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Description

Colorless to light yellow liqui

2,4-Dimethylthiazole Basic Attributes

Molecular Weight：

113.18

Exact Mass：

113.18

BRN：

106414

EC Number：

208-786-9

UNII：

LHT97038OA

NSC Number：

7510

DSSTox ID：

DTXSID2060250

HScode：

2934100090

Characteristics

PSA：

41.1

XLogP3：

1.8

Appearance：

Clear colorless to light yellow Liquid

Density：

1.0513 g/cm³ @ Temp: 20 °C

Melting Point：

272 °C

Boiling Point：

146 °C

Flash Point：

109 °F

Refractive Index：

1.531

Water Solubility：

Slightly soluble in water

Storage Conditions：

−20°C

Vapor Pressure：

5.08 mmHg

Safety Information

Packing level：

Ⅲ

Hazard category：

Transport codes：

UN 1993 3/PG 3

wgk germany：

hazard class code：

10-36/37/38

safety instructions：

16-26-36-37/39

RTECS Number：

XJ4375000

Marks：

Xi,F

Precautionary statement(s)：

P261-P305 + P351 + P338

Hazard Statements：

H226-H315-H319-H335

GHS Classification：

|Warning|H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]|P210, P233, P240, P241, P242, P243, P261, P264, P270, P271, P280, P301+P312, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P370+P378, P403+P233, P403+P235, P405, and P501|Aggregated GHS information provided by 160 companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

2,4-Dimethylthiazole Use and Manufacturing

Methods of Manufacturing

It is obtained by the reaction of acetamide and phosphorus pentasulfide, and then condensation with chlorinated acetone. Add anhydrous benzene to the reaction flask, then add the mixture of acetamide and powdered phosphorus pentasulfide, and heat on a water bath. Add the benzene solution of chloroacetone and reflux for 30 minutes after the addition. Then add water to the reaction mixture to separate layers, discard the upper reddish liquid, take the lower layer liquid and add sodium hydroxide to make it alkaline, and then add ether for extraction. The extract was dried with anhydrous sodium sulfate. Filter, distill under normal pressure, collect the fraction at 140-150°C, and then distill the collection again, and collect the fraction at 143-145°C to be 2, 4-dimethylthiazole.

Uses

For daily use, food flavor

Manufacturing Info：

Thiazole, 2,4-dimethyl-: ACTIVE

Use Classification：

Food additives -> Flavoring Agents

Food Additive Classes：

Flavoring Agents

Computed Properties

Molecular Weight:113.18
XLogP3:1.8
Hydrogen Bond Acceptor Count:2
Exact Mass:113.02992040
Monoisotopic Mass:113.02992040
Topological Polar Surface Area:41.1
Heavy Atom Count:7
Complexity:65.1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Downstream Products

Ethylamine

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Guide of 2,4-Dimethylthiazole

Description
Basic Attributes
Characteristics
Safety Information
Use and Manufacturing
Computed Properties
Downstream Products
Recommended Suppliers
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2,4-Dimethylthiazole

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