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2-Ethoxythiazole

2-Ethoxythiazole structure

CAS No:
15679-19-3
Formula:
C5H7NOS
Chemical Name:
2-Ethoxythiazole
Synonyms:
Thiazole,2-ethoxy-;2-Ethoxythiazole;2-Ethoxy-1,3-thiazole
Categories:
Flavors and Fragrances > Synthetic Fragrances

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Description

Colorless to light yellow liqui 2-Ethoxythiazole has a strong, burnt, nutty, roasted meat-like odor.

Clear, colourless to pale yellow liquid; strong, burnt, roasted, meat-like, nutty odour

2-Ethoxythiazole Basic Attributes

Molecular Weight：

129.18

Exact Mass：

129.18

EC Number：

239-760-5

UNII：

Q3O421Q24K

DSSTox ID：

DTXSID00166130

HScode：

29341000

Characteristics

PSA：

50.4

XLogP3：

1.6

Appearance：

Colorless to light yellow liquid

Density：

1.133 g/mL at 25 °C(lit.)

Boiling Point：

157-160 °C(lit.)

Flash Point：

129 °F

Refractive Index：

n 20/D 1.504(lit.)

Water Solubility：

slightly|Insoluble in water; Soluble in organic solvents|Miscible at room temperature (in ethanol)

Vapor Pressure：

2.2mmHg at 25°C

Safety Information

Transport codes：

UN 1993 3/PG 3

wgk germany：

hazard class code：

10-36/37/38

safety instructions：

16-26

Marks：

Precautionary statement(s)：

P261-P305 + P351 + P338

Hazard Statements：

H226-H315-H319-H335

GHS Classification：

|Warning|H226 (92.72%): 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 151 companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

2-Ethoxythiazole Use and Manufacturing

Methods of Manufacturing

Reference [0449] [0450] To a solution of To a solution of 2-isopropoxythiazole (300 mg, 2.32 mmol) in DMF (2 niL) was added N-bromosuccinimide (620 mg, 3.48 mmol). The mixture was stirred at room temperature for 3 hours then subjected to flash column chromatography using 10% ethyl acetate/hexane to give a colorless oil (440 mg, 91% yield). LCMS(Conditions C): Tr 3.27 min. ; (M+H)+: 207.88 (20%), 209.88 (20%), 179.87 (100%), 181.87 (100%)Example 17; 6- {2- [4- (2-ethoxy-1, 3-thiazol-5-yl)-4-hydroxypiperidin-1-yl]-1-hydroxyethyl}-3, 4- dihydroquinolin-2 (IM-one hydrochloride; A. ethyl 4-(2-ethoxy-L3-thiazol-5-yl)-4-hydroxypiperidine-1-carboxylate; To a stirred solution of 2-ethoxy-1, 3-thiazole (J. Chem. Soc. Perkill Trans2., 1589 (1986) ) (1.02 g, 7.90 mmol) in tetrahydrofuran (15 ml) was added drop wise n- butyllithium (1.55 M, 5.10 ml) at 0 C under nitrogen and the mixture was stirred for 10 minutes at 0 C. To the mixture, a solution of 1-carbethoxy-4-piperidone (1.13 g, 6.58 mmol) in tetrahydrofuran (3 ml) was added and the mixture was stirred for 2 hours at 0 C and 2 hours at room temperature. The mixture was treated with H20 and extracted with ethyl acetate. The combined organic layer was dried and evaporated. The residue was purified by chromatography on silica gel, eluting with methyl alcohol/dichloromethane (1: 20 v/v), to afford the titled compound as a yellow oil (1.36 g, 69 %). 'H NMR (270 MHz, CDC13) b = 6.95 (s, 1H), 4.42 (q, J = 7.08 Hz, 2H), 4.14 (q, J = 7.08 Hz, 2H), 4.05-3. 84 (m, 2H), 3.45-3. 25 (m, 2H), 2. 10- 1. 75 (m, 5H), 1.42 (t, J = 7.08 Hz, 3H), 1.27 (t, J = 7.08 Hz, 3H) ppm.

Uses

Used as food flavor

Use Classification：

Food additives -> Flavoring Agents|Flavoring Agents -> JECFA Flavorings Index

Food Additive Classes：

Flavoring Agents

Computed Properties

Molecular Weight:129.18
XLogP3:1.6
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:2
Exact Mass:129.02483502
Monoisotopic Mass:129.02483502
Topological Polar Surface Area:50.4
Heavy Atom Count:8
Complexity:69.4
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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2-Ethoxythiazole CAS 15679-19-3

CAS No.: 15679-19-3

Grade: Pharmaceutical Grade

Content: 99%

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CAS No.: 15679-19-3

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Guide of 2-Ethoxythiazole

Description
Basic Attributes
Characteristics
Safety Information
Use and Manufacturing
Computed Properties
Recommended Suppliers
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2-Ethoxythiazole

SDS

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