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2,5-Dihydrothiophene

2,5-Dihydrothiophene structure

CAS No.: 1708-32-3

Chemical Name:: 2,5-Dihydrothiophene

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

CBNumber:: CB72153493

Molecular Formula:: C4H6S

Molecular Weight:: 86.16

MDL Number:: MFCD18451851

MOL File:: 1708-32-3.mol

MSDS File:: SDS

Last updated:2023-05-04 15:13:09

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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)

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 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	32480	60
Changzhou Ansciep Chemical Co., Ltd.	+86 519 86305871	sales@ansciepchem.com	CHINA	4242	58
Hefei TNJ Chemical Industry Co.,Ltd.	0551-65418671	sales@tnjchem.com	China	34572	58
WinWin Chemical CO., Limited	+86-0086-577-64498589 +86-15355981851	sales@win-winchemical.com	China	13854	58
Shanghai UCHEM Inc.	+862156762820 +86-13564624040	sales@myuchem.com	China	6710	58
ANHUI WITOP BIOTECH CO., LTD	+8615255079626	eric@witopchemical.com	China	23556	58
Amadis Chemical Company Limited	571-89925085	sales@amadischem.com	China	131981	58
Shanghai CoachChem Co., Ltd.	021-67299971	marketing@coachchem.com	China	85	62
Shanghai He Huan Chemical Co., Ltd.	021-60345187 13917602471	lzz841106@aliyun.com	China	9908	58
Aishilun biotechnology (Shanghai) co., LTD	021-50676523 18019098996	info@acelybio.com	China	3967	58

Supplier	Advantage
ATK CHEMICAL COMPANY LIMITED	60
Changzhou Ansciep Chemical Co., Ltd.	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
WinWin Chemical CO., Limited	58
Shanghai UCHEM Inc.	58
ANHUI WITOP BIOTECH CO., LTD	58
Amadis Chemical Company Limited	58
Shanghai CoachChem Co., Ltd.	62
Shanghai He Huan Chemical Co., Ltd.	58
Aishilun biotechnology (Shanghai) co., LTD	58

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