ChemicalBook > CAS DataBase List > 2-Acetylthiazole

2-Acetylthiazole

Product Name
2-Acetylthiazole
CAS No.
24295-03-2
Chemical Name
2-Acetylthiazole
Synonyms
2-Acetylthiazol;1-(thiazol-2-yl)ethan-1-one;1-(1,3-Thiazol-2-yl)ethanone;FEMA 3328;Acetylthiazole;2-ACETYLTHIAZOLE;FEMA NUMBER 3328;2-acetylthiazone;THIAZOLE-2-ACETYL;2-Acetylo thiazole
CBNumber
CB6235983
Molecular Formula
C5H5NOS
Formula Weight
127.16
MOL File
24295-03-2.mol
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2-Acetylthiazole Property

Melting point:
65.5°C
Boiling point:
89-91 °C/12 mmHg (lit.)
Density 
1.227 g/mL at 25 °C (lit.)
refractive index 
n20/D 1.548(lit.)
FEMA 
3328 | 2-ACETYLTHIAZOLE
Flash point:
173 °F
storage temp. 
Inert atmosphere,Room Temperature
form 
Powder or Crystals
pka
0.05±0.10(Predicted)
Specific Gravity
1.23
color 
White to slightly yellow
Odor
at 0.10 % in dipropylene glycol. nutty popcorn roasted peanuts hazelnut
Odor Type
popcorn
biological source
synthetic
Sensitive 
Stench
JECFA Number
1041
BRN 
109803
LogP
0.37
CAS DataBase Reference
24295-03-2(CAS DataBase Reference)
NIST Chemistry Reference
2-Acetylthiazole(24295-03-2)
EPA Substance Registry System
Ethanone, 1-(2-thiazolyl)- (24295-03-2)
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Safety

Hazard Codes 
Xn,Xi
Risk Statements 
22-36-43-36/37/38
Safety Statements 
26-36/37-24/25-36
RIDADR 
3334
WGK Germany 
3
F 
13
Hazard Note 
Irritant/Stench
TSCA 
T
HazardClass 
STENCH
HS Code 
29341000
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H227Combustible liquid

H302Harmful if swallowed

H317May cause an allergic skin reaction

H319Causes serious eye irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P403+P235Store in a well-ventilated place. Keep cool.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
W332801
Product name
2-Acetylthiazole
Purity
≥99%, FG
Packaging
sample-k
Price
$54.6
Updated
2024/03/01
Sigma-Aldrich
Product number
W332801
Product name
2-Acetylthiazole
Purity
≥99%, FG
Packaging
100g
Price
$292
Updated
2024/03/01
Sigma-Aldrich
Product number
W332801
Product name
2-Acetylthiazole
Purity
≥99%, FG
Packaging
1kg
Price
$1180
Updated
2024/03/01
Sigma-Aldrich
Product number
W332801
Product name
2-Acetylthiazole
Purity
≥99%, FG
Packaging
5kg
Price
$5130
Updated
2024/03/01
Sigma-Aldrich
Product number
288411
Product name
2-Acetylthiazole
Purity
99%
Packaging
1g
Price
$70.8
Updated
2024/03/01
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2-Acetylthiazole Chemical Properties,Usage,Production

Chemical Properties

2-Acetylthiazole is a colorless to pale yellow liquid with green onion, herbal, grassy, hazelnuts, roasted meat, caramel, corn, and butter odor. Natural products are found in beef broth. Slightly soluble with water, soluble in most organic solvents. It is used in foods as antioxidant, as appearance control agent, and as flavoring ingredient.

Occurrence

2-Acetylthiazole is naturally found in raw asparagus, cooked asparagus, kohlrabi, cooked or boiled potatoes, turkey (roasted), raw chicken, boiled and cooked beef, grilled and roasted beef, pork liver, beer, Finnish whiskey, heated beans, other varieties of mushroom, rice bran, maize, and other natural sources.

Uses

2-Acetylthiazole can be used as a flavoring agent in food industries. It may be used as a food additive in the preparation of ′fragrant′ rice. It also was used in the preparation of triazolothiazoles, chiral alcohols and in aldol condensation reactions.

Preparation

2-Acetylthiazole is formed by oxidation of the corresponding carbinol using dichromate.

Definition

ChEBI: 2-Acetylthiazole is an aromatic ketone.

Aroma threshold values

Detection at 4 ppb

Taste threshold values

Taste characteristics at 30 ppm: corn chip with slightly musty background

Synthesis Reference(s)

The Journal of Organic Chemistry, 53, p. 1748, 1988 DOI: 10.1021/jo00243a029

General Description

2-Acetylthiazole is a volatile flavoring substance generally formed by the Maillard reaction between an amino acid and carbonyl compounds. It is reported to occur in canned sweet corn products, cooked pine mushroom, cooked asparagus and roasted beef.

Purification Methods

Check NMR spectrum; if it is not too bad, distil it through an efficient column in a vacuum. The oxime sublimes at 140-145o, m 159o, and when crystallised from H2O has m 163-165.5o. [Erlenmeyer et al. Helv Chim Acta 31 1142 1948, Waisvisz et al. J Am Chem Soc 79 4524 1957, Menasseé et al. Helv Chim Acta 40 554 1957, Beilstein 27 IV 2617.]

2-Acetylthiazole Preparation Products And Raw materials

Raw materials

Dichromate, Ion chromatography standard solution, Specpure, Cr2O7ˉ2 1000μg/ml Diethyl ether Ethyl acetate

Preparation Products

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2-Acetylthiazole Suppliers

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View Lastest Price from 2-Acetylthiazole manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
2-Acetylthiazole 24295-03-2
Price
US $100.00-45.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20ton
Release date
2024-05-06
Shandong Deshang Chemical Co., Ltd.
Product
2-Acetylthiazole 24295-03-2
Price
US $8.80-6.20/kg
Min. Order
1kg
Purity
99%
Supply Ability
10 tons
Release date
2024-07-01
Hebei Yanxi Chemical Co., Ltd.
Product
2-Acetylthiazole 24295-03-2
Price
US $35.00-25.00/kg
Min. Order
10kg
Purity
98%
Supply Ability
10 tons
Release date
2024-02-26

24295-03-2, 2-AcetylthiazoleRelated Search:

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  • THIAZOLE-2-ACETYL
  • 1-(1,3-Thiazol-2-yl)ethanone
  • 1-(2-thiazolyl)-ethanon
  • 2-Acetylthiazol
  • 2-Thiazolylmethylketone
  • Acetylthiazole
  • Ketone, methyl 2-thiazolyl
  • 1-(2-thiazolyl)-ethanone
  • 1-(1,3-THIAZOL-2-YL)ETHAN-1-ONE
  • 2-ACETYLTHIAZOLE
  • ETHANONE, 1-(2-THIAZOLYL)-
  • FEMA 3328
  • FEMA NUMBER 3328
  • METHYL 2-THIAZOLYL KETONE
  • METHYL-2-THIAZOYL KETONE
  • 2-Acetyl-1,3-thiazole
  • 1-Thiazol-2-yl-ethanone
  • 2-ACETYLTHIAZOLE 99+%
  • Ethanone, 1-(2-thiazolyl)- (9CI)
  • acetylthiazole,2-acetylthiazole
  • 2-Acetyl-1,3-thiazole 98%
  • 1-(thiazol-2-yl)ethan-1-one
  • 2-ACETYL THIAZOLE FEMA NO.3328
  • 2-Acetylo thiazole
  • 1-(3-thiazol-3-iumyl)ethanone
  • Ketone, Methyl 2-thiazolyl (7CI,8CI)
  • 1-(1,3-Thiazol-2-yl)ethan-1-one, 2-Ethanoyl-1,3-thiazole
  • 2- acetylthiazoliuM
  • 2-acetylthiazone
  • 2-Acetylthiazole &gt
  • 2-Acetylthiazole USP/EP/BP
  • 2-Acetylthiazole 24295-03-2
  • 2-Acetylthiazole in methanol
  • 2-Acetylthiazole, 10 mM in DMSO
  • 24295-03-2
  • 6313-33-4
  • C5H5MOS
  • -SCHCHNCCOCH3
  • C5H5NOS
  • Building Blocks
  • Heterocyclic Building Blocks
  • Thiazoles
  • KETONE
  • A-B
  • Alphabetical Listings
  • Flavors and Fragrances
  • thiazole Flavor
  • Building Blocks
  • Heterocyclic Building Blocks
  • Thiazoles
  • ACETYLGROUP
  • Sulphur Derivatives