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4-Methylthiazole

4-Methylthiazole structure

CAS No.: 693-95-8

Chemical Name:: 4-Methylthiazole

Synonyms: Methylthiazole;FEMA 3716;4-METHYL-1,3-THIAZOLE;4-Methyl Thiozole;BRN0105228;4-methyl-thiazol;4-Methylthizaole;4-METHYLTHIAZOLE;FEMA NUMBER 3716;METHYLTHIAZOLE, 4-

CBNumber:: CB1469428

Molecular Formula:: C4H5NS

Molecular Weight:: 99.15

MDL Number:: MFCD00005340

MOL File:: 693-95-8.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-27 23:38:02

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4-Methylthiazole Properties

Melting point	134 °C
Boiling point	133-134 °C (lit.)
Density	1.09 g/mL at 25 °C (lit.)
refractive index	n20/D 1.524(lit.)
FEMA	3716 \| 4-METHYLTHIAZOLE
FLAVIS Number	15.035 \| 4-Methylthiazole
Flash point	90 °F
storage temp.	Inert atmosphere,2-8°C
form	Liquid
pka	pK1:3.16(+1) (25°C,μ=0.1)
color	Clear colorless to slightly yellow
Specific Gravity	1.090
Odor	at 0.10 % in dipropylene glycol. nutty green vegetable tomato
Odor Type	nutty
biological source	synthetic
JECFA Number	1043
BRN	105228
InChI	1S/C4H5NS/c1-4-2-6-3-5-4/h2-3H,1H3
InChIKey	QMHIMXFNBOYPND-UHFFFAOYSA-N
SMILES	Cc1cscn1
LogP	0.90
CAS DataBase Reference	693-95-8(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS)	4-METHYLTHIAZOLE
EWG's Food Scores	1
FDA UNII	X8S174990R
NIST Chemistry Reference	4-Methylthiazole(693-95-8)
EPA Substance Registry System	Thiazole, 4-methyl- (693-95-8)
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS02,GHS05,GHS07

Signal word

Danger

Hazard statements

H226-H302-H315-H318-H335

Precautionary statements

P261-P280-P305+P351+P338

target organs

Respiratory system

PPE

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Hazard Codes

Xn,Xi

Risk Statements

10-22-37/38-41

Safety Statements

16-26-39

RIDADR

UN 1993 3/PG 3

WGK Germany

RTECS

XJ5096000

TSCA

TSCA listed

HazardClass

PackingGroup

III

HS Code

29341000

Storage Class

3 - Flammable liquids

Hazard Classifications

Acute Tox. 4 Oral
Eye Irrit. 2
Flam. Liq. 3
Skin Irrit. 2
STOT SE 3

Hazardous Substances Data

693-95-8(Hazardous Substances Data)

Limited Quantities

5.0 L (1.3 gallons) (liquid)

Excepted Quantities

Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)

NFPA 704

	2
2		0

4-Methylthiazole price More Price(57)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	W371602	4-Methylthiazole ≥98%, FG	693-95-8	1 each	$57.7	2026-04-30	Buy
Sigma-Aldrich	W371602	4-Methylthiazole ≥98%, FG	693-95-8	100g	$134	2026-04-30	Buy
Sigma-Aldrich	W371602	4-Methylthiazole ≥98%, FG	693-95-8	1kg	$753	2026-04-30	Buy
Sigma-Aldrich	193925	4-Methylthiazole 99%	693-95-8	25g	$59.9	2026-04-30	Buy
Sigma-Aldrich	193925	4-Methylthiazole 99%	693-95-8	100g	$108	2026-04-30	Buy

Product number	Packaging	Price	Buy
W371602	1 each	$57.7	Buy
W371602	100g	$134	Buy
W371602	1kg	$753	Buy
193925	25g	$59.9	Buy
193925	100g	$108	Buy

4-Methylthiazole Chemical Properties, Uses, Production

Description

4-Methylthiazole has a nutty, green odor.

Chemical Properties

4-Methylthiazole has a nutty, green odo

Chemical Properties

CLEAR COLOURLESS TO SLIGHTLY YELLOW LIQUID

Occurrence

Reported found in cooked asparagus, roasted barley, cooked beef, cocoa, cooked pork, roasted coffee, roasted peanuts, boiled egg, malt, wort and cooked shrimp.

Uses

4-Methylthiazole was used in the synthesis of catalytic dendrophanes, as functional mimics of the thiamine-diphosphate-dependent enzyme pyruvate oxidase. It was used in small scale preparation of 3-butyl-4-methylthiazolium bromide.

Definition

ChEBI: A 1,3-thiazole substituted by a methyl group at position 4.

Taste threshold values

Taste characteristics at 10 ppm: green, vegetative and meaty with an alliaceous nuance

General Description

4-Methylthiazole forms complexes with cobalt(II), zinc(II), nickel(II) and copper(II) halides.

4-Methylthiazole synthesis

Synthesis of 4-Methylthiazole from 2-Amino-4-methylthiazole

4-Methylthiazole Preparation Products And Raw materials

Raw materials

Formamide methylthiazoline,4-methyl-3-thiazoline 2-Amino-4-methylthiazole 4-Methylisothiazole 4-methylthiazole-2(3H)-thione

(4-Methyl-thiazol-2-yl)-hydrazine HCl 4-Methylthiazole-5-carboxylic acid Thioformamide

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Preparation Products

5-(2-Hydroxyethyl)-4-methylthiazole 3-Methylisothiazole 4-(Chloromethyl)thiazole 4-Methyl-2-(tributylstannyl)thiazole 4-Methyl-2-thiazolecarboxaldehyde 97

5-bromo-4-methylthiazole 4-Hydroxymethylthiazole 2,4-Dimethylthiazole

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4-Methylthiazole Suppliers

Global Suppliers ( 421)

Supplier	Tel	Email	Country	ProdList	Advantage
Wuhan Nuobiguo Biotechnology Co., Ltd.	15972140806 15972140806	3850656479@qq.com	China	294	58
Shanghai Jian Chao Chemical Technology Co., Ltd.	150-2103-5486 18017383231	983544897@qq.com	China	9336	55
SHANGHAI BANGCHENG CHEMICAL Co.,Ltd.	021-69106960 13701823997	13701823733@163.com	China	4634	60
Tengzhou Yuanxiang Biotechnology Co., Ltd	13153439391	136802066@qq.com	China	14	58
Zaozhuang star biotechnology limited	0632-3759569 13589608009	1748443496@qq.com	China	17	58
Changzhou Zeyuan Pharmaceutical Technology Co., Ltd	15090501328	2051576189@qq.com	China	132	58
Hainan Chenghe Pharmaceutical Technology Co., Ltd	17263657319	3890718088@qq.com	China	494	58
SHANGHAI GIWEICHEM CO LTD	17717331436 17717331436	2976119719@qq.com	China	155	58
Fujian Fine New Material Technology Co., Ltd.	18173168888	24314994600@qq.com	China	96	58
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76

Supplier	Advantage
Wuhan Nuobiguo Biotechnology Co., Ltd.	58
Shanghai Jian Chao Chemical Technology Co., Ltd.	55
SHANGHAI BANGCHENG CHEMICAL Co.,Ltd.	60
Tengzhou Yuanxiang Biotechnology Co., Ltd	58
Zaozhuang star biotechnology limited	58
Changzhou Zeyuan Pharmaceutical Technology Co., Ltd	58
Hainan Chenghe Pharmaceutical Technology Co., Ltd	58
SHANGHAI GIWEICHEM CO LTD	58
Fujian Fine New Material Technology Co., Ltd.	58
J & K SCIENTIFIC LTD.	76

View Latest Price from 4-Methylthiazole manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-09-02	4-Methylthiazole 693-95-8	$6.00	1KG	99%		Henan Fengda Chemical Co., Ltd
2026-06-30	4-Methylthiazole 693-95-8		1KG	98.0%	10000KGS	Shaanxi Dideu New Materials Co. Ltd
2025-05-23	4-methylthiazole 693-95-8	$50.00	1kg	99	5000	Hebei Zhuanglai Chemical Trading Co Ltd

4-Methylthiazole
693-95-8
$6.00
99%
Henan Fengda Chemical Co., Ltd

4-Methylthiazole
693-95-8
98.0%
Shaanxi Dideu New Materials Co. Ltd

4-methylthiazole
693-95-8
$50.00
99
Hebei Zhuanglai Chemical Trading Co Ltd

4-Methylthiazole Spectrum

4-Methylthiazole(693-95-8)MS 4-Methylthiazole(693-95-8)¹HNMR 4-Methylthiazole(693-95-8)¹³CNMR 4-Methylthiazole(693-95-8)IR1 4-Methylthiazole(693-95-8)Raman

693-95-8 (4-Methylthiazole) Related Search:

Basic Violet 1 Tribenuron methyl Thiazole Kresoxim-methyl 4-Thiazolecarboxylic acid

2-Methyl-4-isothiazolin-3-one MTT Methylchloroisothiazolinone/methylisothiazolinone mixture (MCIT/MIT) Benzothiazole 2,2'-Dithiobis(benzothiazole)

Methyl acrylate 2-Amino-4-methylthiazole Fosthiazate 4-Methylthiazole-5-carboxylic acid Methanol

Methylparaben Metsulfuron methyl Methyl salicylate

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4-methyl-thiazol Thiazole, 4-methyl- METHYLTHIAZOLE, 4- FEMA NUMBER 3716 4-METHYLTHIAZOLE 4-METHYLTHIAZOLE 98+% 4-Methylthiazole,99% 4-methylthiazole,4-methyl-1,3-thiazole 4-Methylthizaole 4-Methylthiazole, 99% 5GR N-(5-Methyl-[1,3,4]thiadiazol-2-yl)-2-p-tolylamino-propionamide 4-Methylthiazole> 4-Methylthiazole USP/EP/BP 693-95-8 4-Methylthiazole BRN0105228 4-METHYL-1,3-THIAZOLE 4-Methyl Thiozole FEMA 3716 Methylthiazole 693-95-8 C4H5SN Heterocyclic Building Blocks Thiazoles Building Blocks thiazole Flavor Thiazoles Building Blocks Heterocyclic Building Blocks Alphabetical Listings Flavors and Fragrances M-N bc0001