5-(2-Hydroxyethyl)-4-methylthiazole
- CAS No.
- 137-00-8
- Chemical Name:
- 5-(2-Hydroxyethyl)-4-methylthiazole
- Synonyms
- SULFUROL;4-METHYL-5-THIAZOLEETHANOL;2-(4-METHYLTHIAZOL-5-YL)ETHANOL;MHT;FEMA 3204;Sulfurol(Meat);4-METHYL-5-THIAZOLETHANOL;METHYLHYDROXYETHYLTHIAZOLE;5-THIAZOLEETHANOL,4-METHYL;eethanoL
- CBNumber:
- CB6127677
- Molecular Formula:
- C6H9NOS
- Molecular Weight:
- 143.21
- MDL Number:
- MFCD00005339
- MOL File:
- 137-00-8.mol
- MSDS File:
- SDS
Melting point | <25 °C |
---|---|
Boiling point | 135 °C7 mm Hg(lit.) |
Density | 1.196 g/mL at 25 °C(lit.) |
FEMA | 3204 | 4-METHYL-5-THIAZOLEETHANOL |
refractive index |
n |
Flash point | >230 °F |
storage temp. | 2-8°C |
solubility | alcohol: soluble(lit.) |
pka | 14.58±0.10(Predicted) |
form | liquid (clear, viscous) |
color | deep yellow |
Specific Gravity | 1.196 |
Odor | meaty, roasted odor |
Odor Type | meaty |
Sensitive | Stench |
Merck | 14,6126 |
JECFA Number | 1031 |
BRN | 114249 |
InChIKey | BKAWJIRCKVUVED-UHFFFAOYSA-N |
LogP | 0.04 |
Substances Added to Food (formerly EAFUS) | 4-METHYL-5-THIAZOLEETHANOL |
CAS DataBase Reference | 137-00-8(CAS DataBase Reference) |
NCI Dictionary of Cancer Terms | MHT |
FDA UNII | 3XYV4I47I8 |
NIST Chemistry Reference | 5-Thiazoleethanol, 4-methyl-(137-00-8) |
EPA Substance Registry System | 5-Thiazoleethanol, 4-methyl- (137-00-8) |
SAFETY
Risk and Safety Statements
Symbol(GHS) | ![]() GHS07 |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|
Signal word | Warning | |||||||||
Hazard statements | H315-H319-H335 | |||||||||
Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 | |||||||||
Hazard Codes | Xi | |||||||||
Risk Statements | 36/37/38 | |||||||||
Safety Statements | 24/25 | |||||||||
WGK Germany | 3 | |||||||||
F | 13 | |||||||||
Hazard Note | Irritant/Stench | |||||||||
TSCA | Yes | |||||||||
HS Code | 29341000 | |||||||||
NFPA 704 |
|
5-(2-Hydroxyethyl)-4-methylthiazole price More Price(41)
Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
---|---|---|---|---|---|---|---|
Sigma-Aldrich | W320404 | 4-Methyl-5-thiazoleethanol ≥98%, FG | 137-00-8 | 250g | $219 | 2024-03-01 | Buy |
Sigma-Aldrich | W320404 | 4-Methyl-5-thiazoleethanol ≥98%, FG | 137-00-8 | 1kg | $477 | 2024-03-01 | Buy |
Sigma-Aldrich | W320404 | 4-Methyl-5-thiazoleethanol ≥98%, FG | 137-00-8 | 5kg | $1290 | 2024-03-01 | Buy |
Sigma-Aldrich | W320404 | 4-Methyl-5-thiazoleethanol ≥98%, FG | 137-00-8 | 10Kg | $1560 | 2024-03-01 | Buy |
Sigma-Aldrich | PHR3365 | 5-(2-Hydroxyethyl)-4-methylthiazole certified reference material, pharmaceutical secondary standard | 137-00-8 | 50MG | $634 | 2024-03-01 | Buy |
5-(2-Hydroxyethyl)-4-methylthiazole Chemical Properties,Uses,Production
Content analysis
It was determined by gas chromatography (GT-10-4) using a nonpolar column method.
Toxicity
GRAS (FEMA)
Usage limit FEMA
soft drinks, cold drinks, candy, baked goods, jelly, pudding, jelly sugar, seasonings, meat products, meat soup, milk and dairy products as well as cereal product: 55.0mg/kg.
Chemical properties
It appears as colorless to pale yellow viscous oily liquid. The color will turn dark after being subject to long-term storage. It emit unpleasant thiophene compound odor with high dilution generating nut aroma. The boiling point is 103 ° C (133 Pa), or 135 ° C (933 Pa). It is easily soluble in water, soluble in ethanol, ether, benzene and chloroform.
Application
- Used as temporarily allowable food spices;
- For nuts, dairy products, meat products, etc., as pharmaceutical intermediates;
- Used for the deployment of chocolate, milk and nuts
Preparation
It is obtained from the reduction of 4-methyl thiazole 5-ethyl acetate reduction with lithium aluminum hydride.
Description
4-Methy 1-5-thiazoleethanol has the characteristic disagreeable odor of thiazole compounds. It is somewhat pleasant and nut-like on extreme dilution. It may be prepared by reduction of ethyl- 4-methylthiazole-5-acetate using LiAlH4; by condensation of thioformamide with bromoacetopropanol or with y,y-dichloro-y,ydiacetodipropyl ether.
Chemical Properties
4-Methyl-5-thiazoleethanol has a disagreeable odor typical of thiazole compounds; somewhat pleasant, reminiscent of beef and nut-like, on extreme dilution
Chemical Properties
Colorless to light yellow liqui
Occurrence
Reported found in grilled and roasted beef, cognac, brandy, Finnish whiskey, cocoa, peanuts, beans and malt.
Uses
4-Methyl-5-thiazoleethanol has been used in the synthesis of novel thiazolium halogenide ionic liquids.
Preparation
By reduction of ethyl-4-methylthiazole-5-acetate using LiAlH4; by condensation of thioformamide with bromoacetopropanol or with γ, y-dichloro-γ,γ-diacetodipropyl ether
Definition
ChEBI: A 1,3-thiazole that is thiazole substituted by a methyl group at position 4 and a 2-hydroxyethyl group at position 5.
Taste threshold values
Taste characteristics at 20 ppm: meaty, brothy, roasted, metallic and nutty.
General Description
4-Methyl-5-thiazoleethanol is a sulfur-containing heterocyclic flavor compound that is reported to occur in Comté cheese and Panax ginseng.
5-(2-Hydroxyethyl)-4-methylthiazole Preparation Products And Raw materials
Supplier | Tel | Country | ProdList | Advantage | |
---|---|---|---|---|---|
career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29894 | 58 |
Shaanxi Dideu Medichem Co. Ltd | +86-29-81148696 +86-15536356810 | 1022@dideu.com | China | 3320 | 58 |
Hebei Mojin Biotechnology Co., Ltd | +8613288715578 | sales@hbmojin.com | China | 12450 | 58 |
Hebei Guanlang Biotechnology Co,.LTD | +8619930503252 | daisy@crovellbio.com | China | 5828 | 58 |
Henan Bao Enluo International TradeCo.,LTD | +86-17331933971 +86-17331933971 | deasea125996@gmail.com | China | 2503 | 58 |
Hebei Kingfiner Technology Development Co.Ltd | +86-15532196582 +86-15373005021 | lisa@kingfinertech.com | China | 2989 | 58 |
Hebei Zhuanglai Chemical Trading Co.,Ltd | +8613343047651 | admin@zlchemi.com | China | 3002 | 58 |
Shandong Deshang Chemical Co., Ltd. | +86-0531-8875-2665 +8613153039501 | info@deshangchem.com | China | 619 | 58 |
JINING XINHE CHEMICAL CO., LTD | +8615318402391 | sales@xinhepharma.com | China | 807 | 58 |
Capot Chemical Co.,Ltd. | 571-85586718 +8613336195806 | sales@capotchem.com | China | 29798 | 60 |
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View Lastest Price from 5-(2-Hydroxyethyl)-4-methylthiazole manufacturers
Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
---|---|---|---|---|---|---|---|---|
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2024-08-23 | 5-(2-Hydroxyethyl)-4-methylthiazole
137-00-8
|
US $10.00-7.00 / kg | 1kg | 99.99% | 10 tons | Shandong Deshang Chemical Co., Ltd. | |
![]() |
2024-08-23 | 5-(2-Hydroxyethyl)-4-methylthiazole
137-00-8
|
US $10.00 / KG | 1KG | 99.% | 10 ton | Hebei Guanlang Biotechnology Co,.LTD | |
![]() |
2024-08-15 | 5-(2-Hydroxyethyl)-4-methylthiazole
137-00-8
|
US $120.00 / kg | 1kg | 0.99 | 1000000 | Hebei Fengjia New Material Co., Ltd |
-
- 5-(2-Hydroxyethyl)-4-methylthiazole
137-00-8
- US $10.00-7.00 / kg
- 99.99%
- Shandong Deshang Chemical Co., Ltd.
-
- 5-(2-Hydroxyethyl)-4-methylthiazole
137-00-8
- US $10.00 / KG
- 99.%
- Hebei Guanlang Biotechnology Co,.LTD
-
- 5-(2-Hydroxyethyl)-4-methylthiazole
137-00-8
- US $120.00 / kg
- 0.99
- Hebei Fengjia New Material Co., Ltd
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