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3-Methyl-2-buten-1-thiol

3-Methyl-2-buten-1-thiol structure

CAS No.: 5287-45-6

Chemical Name:: 3-Methyl-2-buten-1-thiol

Synonyms: 3-METHYL-2-BUTENE-1-THIOL;3-METHYLBUT-2-ENE-1-THIOL;PRENYL MERCAPTAN;FEMA 3896;PRENYTHIOL;Prenylthiol;-Methyl-2-buten-1-thiol;3-METHYL-2-BUTEN-1-THIOL;2-Butene-1-thiol, 3-methyl-;Prenylmercaptan1%inTriacetin

CBNumber:: CB4386410

Molecular Formula:: C5H10S

Molecular Weight:: 102.2

MDL Number:: MFCD00068639

MOL File:: 5287-45-6.mol

MSDS File:: SDS

Last updated:2026-05-28 02:05:06

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3-Methyl-2-buten-1-thiol Properties

Boiling point	127 °C
Density	0.9012 g/cm3
FEMA	3896 \| PRENYLTHIOL
FLAVIS Number	12.170 \| 3-Methylbut-2-ene-1-thiol
storage temp.	Freezer
solubility	soluble in Dichloromethane, Ether, Ethyl Acetate, Hexane
pka	10.18±0.25(Predicted)
form	Liquid
color	Yellow
Odor	at 0.10 % in propylene glycol. sulfurous smoke leek onion skunky
Odor Type	sulfurous
JECFA Number	522
Stability	Readily Oxidized
LogP	2.58
Substances Added to Food (formerly EAFUS)	PRENYLTHIOL
CAS DataBase Reference	5287-45-6
FDA UNII	FDG262156U
NIST Chemistry Reference	3-Methyl-2-butene-1-thiol(5287-45-6)

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07,GHS02
Signal word	Warning
Hazard statements	H315-H319-H335-H226
Precautionary statements	P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362
RIDADR	UN 3336 3/PG III
HazardClass	3
PackingGroup	III

3-Methyl-2-buten-1-thiol price More Price(12)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Biosynth	FM25632	3-Methyl-2-buten-1-thiol	5287-45-6	0.05g	$574.24	2026-06-04	Buy
Biosynth	FM25632	3-Methyl-2-buten-1-thiol	5287-45-6	0.1g	$826.57	2026-06-04	Buy
Biosynth	FM25632	3-Methyl-2-buten-1-thiol	5287-45-6	0.25g	$1153.66	2026-06-04	Buy
Biosynth	FM25632	3-Methyl-2-buten-1-thiol	5287-45-6	0.5g	$1782.16	2026-06-04	Buy
Biosynth	FM25632	3-Methyl-2-buten-1-thiol	5287-45-6	1g	$2268.13	2026-06-04	Buy

Product number	Packaging	Price	Buy
FM25632	0.05g	$574.24	Buy
FM25632	0.1g	$826.57	Buy
FM25632	0.25g	$1153.66	Buy
FM25632	0.5g	$1782.16	Buy
FM25632	1g	$2268.13	Buy

3-Methyl-2-buten-1-thiol Chemical Properties,Uses,Production

Chemical Properties

Yellow Liquid

Uses

3-Methyl-2-buten-1-thiol is a volatile aroma compound. It is an Important compounds in coffee aroma. It is used to food spice.

Definition

ChEBI: 3-Methyl-2-butene-1-thiol is an alkanethiol.

3-Methyl-2-buten-1-thiol synthesis

Synthesis of 3-Methyl-2-buten-1-thiol from Carbamimidothioic acid and 3,3-Dimethylallyl bromide

3-Methyl-2-buten-1-thiol Preparation Products And Raw materials

Raw materials

3,3-Dimethylallyl bromide Carbamimidothioic acid

Preparation Products

3-Methyl-2-buten-1-thiol Suppliers

Global( 94)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
LYSCHEM International LLC	13911018262	sales@lyschem.us	Americas	467	58
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
3B Pharmachem (Wuhan) International Co.,Ltd.	18930552037	3bsc@sina.com	China	15813	69
Chemsky（shanghai）International Co.,Ltd.	021-50135380	shchemsky@sina.com	China	32273	50
Chengdu Ai Keda Chemical Technology Co., Ltd.	4008-755-333 18080918076	800078821@qq.com	China	9706	55
Shanghai civi chemical technology co.,Ltd	86-21-34053660	sale@labgogo.com	China	9853	52
Shanghai JONLN Reagent Co., Ltd.	400-0066400 13621662912	422131432@qq.com	China	9970	55
Huainan Kedi Chemical Factory	0554-2106669	sales1@kedichem.com	China	4914	55
Chengdu HuaXia Chemical Reagent Co. Ltd	400-1166-196 13458535857	cdhxsj@163.com	China	13323	58
DebyeTec.com Inc.	18086626237 18086626237	2693528373@qq.com	China	2937	56

Supplier	Advantage
LYSCHEM International LLC	58
J & K SCIENTIFIC LTD.	76
3B Pharmachem (Wuhan) International Co.,Ltd.	69
Chemsky（shanghai）International Co.,Ltd.	50
Chengdu Ai Keda Chemical Technology Co., Ltd.	55
Shanghai civi chemical technology co.,Ltd	52
Shanghai JONLN Reagent Co., Ltd.	55
Huainan Kedi Chemical Factory	55
Chengdu HuaXia Chemical Reagent Co. Ltd	58
DebyeTec.com Inc.	56

View Lastest Price from 3-Methyl-2-buten-1-thiol manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-08-25	3-Methyl-2-Buten-1-thiol 5287-45-6	$2.20-8.80	1kg	99%min	1000kg	ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
2026-06-30	3-methylbut-2-ene-1-thiol 5287-45-6		1KG	95.0%	10000KGS	Shaanxi Dideu New Materials Co. Ltd
2025-06-20	3-Methyl-2-buten-1-thiol 5287-45-6	$40.00	1kg	0.99	10 tons	Hebei Yanxi Chemical Co., Ltd.

3-Methyl-2-Buten-1-thiol
5287-45-6
$2.20-8.80
99%min
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD

3-methylbut-2-ene-1-thiol
5287-45-6
95.0%
Shaanxi Dideu New Materials Co. Ltd

3-Methyl-2-buten-1-thiol
5287-45-6
$40.00
0.99
Hebei Yanxi Chemical Co., Ltd.

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PRENYL MERCAPTAN Prenylthiol 3-METHYL-2-BUTEN-1-THIOL 1-MERCAPTO-3-METHYL-2-BUTENE Prenylmercaptan1%inTriacetin methylbutenthiol,3-methyl-2-buten-1-thiol 3-Methyl-2-buten-1-thiolSee M294405, 3-Methyl-2-buten-1-yl Thiolacetate 2-Butene-1-thiol, 3-methyl- PRENYTHIOL 3-Methyl-2-butene-1-Mercaptan 3-Methyl-1-Mercapto-2-butene 3-Methyl-2-buten-1-thiol,PreparationKi 3-Methyl-2-buten-1-thiol USP/EP/BP 2-Pyrrolidinone,9-(hydroxymethyl)- 5-Aminomethylpyrene,hydrochloride -Methyl-2-buten-1-thiol 3-Methyl-2-buten-1-thiol, Preparation Kit 3-METHYLBUT-2-ENE-1-THIOL 3-METHYL-2-BUTENE-1-THIOL FEMA 3896 5287-45-6 Sulfur & Selenium Compounds Metal Isotopes thiol Flavor