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2,5-Dihydrothiophene

2,5-Dihydrothiophene structure

CAS No.: 1708-32-3

Chemical Name:: 2,5-Dihydrothiophene

Synonyms: Thiophene, 2,5-dihydro-;2,5-Dihydrothiophene

CBNumber:: CB72153493

Molecular Formula:: C4H6S

Molecular Weight:: 86.16

MDL Number:: MFCD18451851

MOL File:: 1708-32-3.mol

MSDS File:: SDS

Last updated:2026-06-23 16:59:16

Product description	Number	Pack Size	Price
2,5-Dihydrothiophene 98%	AA00AZQB	250mg	$138
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2,5-Dihydrothiophene Properties

Melting point	-49.3°C
Boiling point	122.4°C
Density	0.972 (estimate)
refractive index	1.4800 (estimate)
Specific Heat Capacity	Cp(gas): 0.97 J/(g·K), at 25℃

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS02,GHS07
Signal word	Danger
Hazard statements	H302-H225-H319-H412-H315-H332-H312-H335
Precautionary statements	P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362-P280-P302+P352-P312-P322-P363-P501-P210-P233-P240-P241-P242-P243-P280-P303+P361+P353-P370+P378-P403+P235-P501-P264-P270-P301+P312-P330-P501-P273-P501-P261-P271-P304+P340-P312

2,5-Dihydrothiophene price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
aablocks	AA00AZQB	2,5-Dihydrothiophene 98%	1708-32-3	250mg	$138	2026-05-28	Buy

Product number	Packaging	Price	Buy
AA00AZQB	250mg	$138	Buy

2,5-Dihydrothiophene Chemical Properties,Uses,Production

Uses

2,5-Dihydrothiophene is mainly used in organic synthesis and pharmaceutical intermediates.

Preparation

2,5-Dihydrothiophene can be obtained in reasonable yield by reaction of cis-1,4-dichloro-2-butene with anhydrous sodium sulfide in a mixture of methanol and dimethyl sulfoxide.

2,5-Dihydrothiophene Preparation Products And Raw materials

Raw materials

Trimethyl thiazole 4,5-Dimethylthiazole 2-Acetylthiazole 2-Acetyl-3-methylthiophene L-Cysteine

2-Acetylthiophene Thiophene(SIV) (9CI) 2-Methylthiophene

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Preparation Products

2,3-Dihydrothiophene

2,5-Dihydrothiophene Suppliers

Global( 15)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
ATK CHEMICAL COMPANY LIMITED	+undefined-21-51877795	ivan@atkchemical.com	China	32998	60
Changzhou Ansciep Chemical Co., Ltd.	+86 519 86305871	sales@ansciepchem.com	CHINA	4241	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +86-189 4982 3763	sales@tnjchem.com	China	34526	58
Win-Win chemical CO., Limited	+86-0086-577-64498589 +86-15355981851	sales@win-winchemical.com	China	14301	58
Shanghai UCHEM Inc.	+86-18930848214 +86-021-56762820	sales@myuchem.com	China	8899	58
ANHUI WITOP BIOTECH CO., LTD	+8618071025641	eric@witopchemical.com	China	23506	58
Guangzhou CATO Research Chemicals Inc.	+86-020-81960175-617 18520203721	Intermediate@cato-chem.com	China	3857	58
NANJING YINGWEN BIOTECHNOLOGY CO LTD	+86-13382787392	sales@aeechem.com	China	10002	58
Amadis Chemical Company Limited	571-89925085	sales@amadischem.com	China	131885	58
Shanghai CoachChem Co., Ltd.	+86-21-67299971；+86-21-67290723 18117322963	marketing@coachchem.com	China	96	62

Supplier	Advantage
ATK CHEMICAL COMPANY LIMITED	60
Changzhou Ansciep Chemical Co., Ltd.	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
Win-Win chemical CO., Limited	58
Shanghai UCHEM Inc.	58
ANHUI WITOP BIOTECH CO., LTD	58
Guangzhou CATO Research Chemicals Inc.	58
NANJING YINGWEN BIOTECHNOLOGY CO LTD	58
Amadis Chemical Company Limited	58
Shanghai CoachChem Co., Ltd.	62

Chemical Reactivity of 2,5-Dihydrothiophene
The parent 2,5-dihydrothiophene is a liquid with a bp of 122°C and an mp of –50.3°C. It is soluble in most of the organic solv....
Jan 28，2022

Synthesis of 2,5-Dihydrothiophene
2,5-Dihydrothiophene is a nonaromatic, partially saturated, sulfur-containing five-membered heterocycle, comprised of four car....
Jan 27，2022

2,5-Dihydrothiophene Thiophene, 2,5-dihydro- 1708-32-3