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4,5-Dimethylthiazole

4,5-Dimethylthiazole
4,5-Dimethylthiazole structure
CAS No.
3581-91-7
Chemical Name:
4,5-Dimethylthiazole
Synonyms
FEMA 3274;FEMA NUMBER 3274;2,2-Dimethylthiazole;4,5-DIMETHYLTHIAZOLE;4,5-dimethyl-thiazol;Thiazole, 4,5-dimethyl-;4,5-Dimethylthiazole>4,5-Dimethylthiazole,98%;4,5-DIMETHYL-1,3-THIAZOLE;4,5-Dimethylthiazole ,99%
CBNumber:
CB3246371
Molecular Formula:
C5H7NS
Formula Weight:
113.18
MOL File:
3581-91-7.mol

4,5-Dimethylthiazole Properties

Melting point:
83-84 C
Boiling point:
158 °C/742 mmHg (lit.)
Density 
1.07 g/mL at 25 °C (lit.)
FEMA 
3274 | 4,5-DIMETHYLTHIAZOLE
refractive index 
n20/D 1.521(lit.)
Flash point:
124 °F
storage temp. 
Sealed in dry,Room Temperature
pka
pK1:3.73 (25°C,μ=0.1)
form 
solid
Specific Gravity
1.070
JECFA Number
1035
BRN 
105694
CAS DataBase Reference
3581-91-7(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS)
4,5-DIMETHYLTHIAZOLE
EWG's Food Scores
1
FDA UNII
U3RP5I088G
NIST Chemistry Reference
Thiazole, 4,5-dimethyl-(3581-91-7)
SAFETY
  • Risk and Safety Statements
Symbol(GHS) 
GHS02,GHS05,GHS07,GHS06
Signal word  Danger
Hazard statements  H226-H302-H315-H318-H335-H301-H319
Precautionary statements  P261-P280-P305+P351+P338-P210-P233-P240-P241+P242+P243-P264-P270-P301+P312+P330-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P370+P378-P403+P235-P501-P280a-P301+P310a-P303+P361+P353-P405-P501a
Hazard Codes  Xn,Xi,F
Risk Statements  10-22-37/38-41-36/37/38
Safety Statements  16-26-39-37/39-36/37/39
RIDADR  UN 1993 3/PG 3
WGK Germany  3
RTECS  XJ4380000
HazardClass  3
PackingGroup  III
HS Code  29349990

4,5-Dimethylthiazole price More Price(10)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 219177 4,5-Dimethylthiazole 97% 3581-91-7 5g $33 2021-03-22 Buy
Sigma-Aldrich W327409 4,5-Dimethylthiazole ≥97%, FG 3581-91-7 sample $50 2021-03-22 Buy
TCI Chemical D2142 4,5-Dimethylthiazole >98.0%(GC) 3581-91-7 5g $27 2021-03-22 Buy
TCI Chemical D2142 4,5-Dimethylthiazole >98.0%(GC) 3581-91-7 25g $81 2021-03-22 Buy
Alfa Aesar A10785 4,5-Dimethylthiazole, 98% 3581-91-7 25g $105 2021-03-22 Buy

4,5-Dimethylthiazole Chemical Properties,Uses,Production

Chemical Properties

Colorless to light yellow liqui

Chemical Properties

4,5-Dimethyl thiazole has a roasted nutty, meaty, boiled poultry-like odor

Occurrence

Reported found in peanuts, toasted oats, malt, peach, pork, coffee, krill, shrimp and scallops

Preparation

From methyl-α-bromoethyl ketone; by oxidation of 2-mercaptothiazoles with hydrogen peroxide in aqueous solution; from 2-mercapto-4,5-dimethylthiazole.

Aroma threshold values

Detection: 470 ppb

Taste threshold values

Taste characteristics at 5 ppm: fishy, amine and pyridine-like with shrimp and savory nuances

Synthesis Reference(s)

The Journal of Organic Chemistry, 6, p. 764, 1941 DOI: 10.1021/jo01205a011

4,5-Dimethylthiazole Preparation Products And Raw materials

Raw materials

Preparation Products


4,5-Dimethylthiazole Suppliers

Global( 229)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Frapp's ChemicalNFTZ Co., Ltd.
+86 (576) 8169-6106
+86 (576) 8169-6105 sales@frappschem.com China 886 50
Capot Chemical Co.,Ltd.
+86(0)13336195806 +86-571-85586718
+86-571-85864795 sales@capotchem.com China 20010 60
ATK CHEMICAL COMPANY LIMITED
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+86 21 5161 9052/ 5187 7796 ivan@atkchemical.com CHINA 26734 60
career henan chemical co
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sales@coreychem.com CHINA 29959 58
Hubei Jusheng Technology Co.,Ltd.
86-18871470254
027-59599243 linda@hubeijusheng.com CHINA 28229 58
Jinan Finer Chemical Co., Ltd
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+86-531-88989539 sales@finerchem.com CHINA 1314 58
Xiamen AmoyChem Co., Ltd
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sales@amoychem.com CHINA 6369 58
Chongqing Chemdad Co., Ltd
+86-13650506873
sales@chemdad.com CHINA 37282 58
Alchem Pharmtech,Inc.
8485655694
sales@alchempharmtech.com United States 63726 58
CONIER CHEM AND PHARMA LIMITED
86-18523575427
sales@conier.com CHINA 47496 58

View Lastest Price from 4,5-Dimethylthiazole manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2021-07-13 4,5-Dimethylthiazole
3581-91-7
US $15.00-10.00 / KG 1KG 99%+ HPLC Monthly supply of 1 ton Zhuozhou Wenxi import and Export Co., Ltd
2021-07-09 4,5-Dimethylthiazole
3581-91-7
US $15.00-10.00 / KG 1KG 99%+ HPLC Monthly supply of 1 ton Zhuozhou Wenxi import and Export Co., Ltd
2020-02-26 4,5-Dimethylthiazole
3581-91-7
US $0.00-0.00 / Kg 100G 99.0%+ 100 tons Shaanxi Dideu Medichem Co. Ltd

4,5-Dimethylthiazole Spectrum


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