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1,4-Bis(dimethylamino)-2-butyne

1,4-Bis(dimethylamino)-2-butyne structure

CAS No.: 111-53-5

Chemical Name:: 1,4-Bis(dimethylamino)-2-butyne

Synonyms: 1,4-Bis(dimethylamino)-2-butyne;n,n,n’,n’-tetramethyl-2-butyne-4-diamine;N,N,N',N'-tetramethylbut-2-ynylenediamine;N,N,N',N'-Tetramethyl-2-butyn-1,4-diamine;N,N,N',N'-TETRAMETHYL-2-BUTYNE-1,4-DIAMINE;N,N,N',N'-TETRAMETHYL-2-BUTYNE-1,4-DIAMINE;N,N,N',N'-tetramethylbut-2-yne-1,4-diamine;2-Butyne-1,4-diamine, N1,N1,N4,N4-tetramethyl-

CBNumber:: CB1442872

Molecular Formula:: C8H16N2

Molecular Weight:: 140.23

MDL Number:: MFCD00014878

MOL File:: 111-53-5.mol

MSDS File:: SDS

Last updated:2026-09-12 18:49:14

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1,4-Bis(dimethylamino)-2-butyne Properties

Boiling point	92 °C(Press: 31 Torr)
Density	0.8547 g/cm3
pka	7.73±0.28(Predicted)
FDA UNII	90B3HPN3J2
EPA Substance Registry System	2-Butyne-1,4-diamine, N,N,N',N'-tetramethyl- (111-53-5)

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302
Precautionary statements	P264-P270-P301+P312-P330-P501
TSCA	TSCA listed

1,4-Bis(dimethylamino)-2-butyne price More Price(4)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	S445878	N,N,N',N'-TETRAMETHYL-2-BUTYNE-1,4-DIAMINE Aldrich^CPR	111-53-5	1 unit	$121	2026-04-30	Buy
Sigma-Aldrich	S445878	N,N,N',N'-TETRAMETHYL-2-BUTYNE-1,4-DIAMINE Aldrich	111-53-5	1g	$110	2024-03-01	Buy
aablocks	AA008S1Q	N1,N1,N4,N4-Tetramethyl-2-butyne-1,4-diamine	111-53-5	1g	$646	2026-05-28	Buy
American Custom Chemicals Corporation	CHM0005267	1,4-BIS(DIMETHYLAMINO)-2-BUTYNE 95.00%	111-53-5	5MG	$503.39	2021-12-16	Buy

Product number	Packaging	Price	Buy
S445878	1 unit	$121	Buy
S445878	1g	$110	Buy
AA008S1Q	1g	$646	Buy
CHM0005267	5MG	$503.39	Buy

1,4-Bis(dimethylamino)-2-butyne Chemical Properties,Uses,Production

Synthesis Reference(s)

Journal of the American Chemical Society, 79, p. 4140, 1957 DOI: 10.1021/ja01572a044

1,4-Bis(dimethylamino)-2-butyne Preparation Products And Raw materials

Raw materials

Preparation Products

1-Dimethylamino-2-propyne

1,4-Bis(dimethylamino)-2-butyne Suppliers

Global( 15)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
3B Pharmachem (Wuhan) International Co.,Ltd.	18930552037	3bsc@sina.com	China	15813	69
Shaanxi Dideu Medichem Co. Ltd	029-81024372 17792795018	1053@dideu.com	China	9999	58
Shanghai Yaoling Pharmaceutical Technology Partnership (Limited Partnership)	400-6181121 18616383988	edison.li@townyuan.com	China	4763	58
Shanghai alkynechem Co., Ltd.	086-021-15821262312 15821262312	info@alkynechem.com	China	2349	58
SHANGHAI YOUNG-CHEM CHEMICAL CO., LTD.	13817489192	hebe@ychemchemical.com	China	2435	58
DAYANG CHEM (HANGZHOU) CO.,LTD	+86-88938639 +86-17705817739	info@dycnchem.com	China	53799	58

Supplier	Advantage
3B Pharmachem (Wuhan) International Co.,Ltd.	69
Shaanxi Dideu Medichem Co. Ltd	58
Shanghai Yaoling Pharmaceutical Technology Partnership (Limited Partnership)	58
Shanghai alkynechem Co., Ltd.	58
SHANGHAI YOUNG-CHEM CHEMICAL CO., LTD.	58
DAYANG CHEM (HANGZHOU) CO.,LTD	58

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N,N,N',N'-TETRAMETHYL-2-BUTYNE-1,4-DIAMINE N,N,N',N'-Tetramethyl-2-butyn-1,4-diamine n,n,n’,n’-tetramethyl-2-butyne-4-diamine N,N,N',N'-tetramethylbut-2-ynylenediamine 2-Butyne-1,4-diamine, N1,N1,N4,N4-tetramethyl- N,N,N',N'-tetramethylbut-2-yne-1,4-diamine N,N,N',N'-TETRAMETHYL-2-BUTYNE-1,4-DIAMINE 1,4-Bis(dimethylamino)-2-butyne 111-53-5