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2,5-Bis(4-pyridyl)-1,3,4-thiadiazole

2,5-Bis(4-pyridyl)-1,3,4-thiadiazole structure

CAS No.: 15311-09-8

Chemical Name:: 2,5-Bis(4-pyridyl)-1,3,4-thiadiazole

Synonyms: DK7551;SALOR-INT L161624-1EA;4-thiazole,2,5-bis(4-piridinyl)-3;2,5-Di(4-pyridyl)-1,3,4-thiadiazole;2,5-dipyridin-4-yl-1,3,4-thiadiazole;2,5-Bis(4-pyridyl)-1,3,4-thiadiazole;2,5-Bis(4-pyridinyl)-1,3,4-thiadiazole;2,5-Bis(4-pyridyl)-1,3,4-thiadiazole,95%;4,4’-(1,3,4-thiadiazole-2,5-diyl)di-pyridin;4,4’-(1,3,4-thiadiazole-2,5-diyl)dipyridine

CBNumber:: CB6203728

Molecular Formula:: C12H8N4S

Molecular Weight:: 240.28

MDL Number:: MFCD00044193

MOL File:: 15311-09-8.mol

MSDS File:: SDS

Last updated:2026-09-12 18:54:01

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2,5-Bis(4-pyridyl)-1,3,4-thiadiazole Properties

Melting point	237-244 °C
Boiling point	475.9±55.0 °C(Predicted)
Density	1.3072 (rough estimate)
refractive index	1.5500 (estimate)
pka	1.82±0.10(Predicted)
FDA UNII	E75HB7P3HY

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H315-H319-H335
Precautionary statements	P261-P264-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P362-P403+P233-P501
Hazard Codes	T
Risk Statements	36/37/38-25
Safety Statements	45-36/37/39-26
HS Code	29349990
Toxicity	quail,LD50,oral,> 316mg/kg (316mg/kg),Ecotoxicology and Environmental Safety. Vol. 6, Pg. 149, 1982.

2,5-Bis(4-pyridyl)-1,3,4-thiadiazole price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
aablocks	AA00AOUV	2,5-Di(pyridin-4-yl)-1,3,4-thiadiazole 95%	15311-09-8	100mg	$31	2026-05-28	Buy
aablocks	AA00AOUV	2,5-Di(pyridin-4-yl)-1,3,4-thiadiazole 95%	15311-09-8	250mg	$44	2026-05-28	Buy
aablocks	AA00AOUV	2,5-Di(pyridin-4-yl)-1,3,4-thiadiazole 95%	15311-09-8	1g	$119	2026-05-28	Buy
aablocks	AA00AOUV	2,5-Di(pyridin-4-yl)-1,3,4-thiadiazole 95%	15311-09-8	5g	$585	2026-05-28	Buy
ACHEMBLOCK	V150394	2,5-Di(4-pyridyl)-1,3,4-thiadiazole 95%	15311-09-8	1G	$190	2026-05-27	Buy

Product number	Packaging	Price	Buy
AA00AOUV	100mg	$31	Buy
AA00AOUV	250mg	$44	Buy
AA00AOUV	1g	$119	Buy
AA00AOUV	5g	$585	Buy
V150394	1G	$190	Buy

2,5-Bis(4-pyridyl)-1,3,4-thiadiazole Chemical Properties, Uses, Production

Chemical Properties

white to brown powder

2,5-Bis(4-pyridyl)-1,3,4-thiadiazole Preparation Products And Raw materials

Raw materials

Sodium sulfide nonahydrate Isonicotinic acid Hydrazine hydrate Ethyl acetate Acetic acid

Ammonium acetate Petroleum ether

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Preparation Products

2,5-Bis(4-pyridyl)-1,3,4-thiadiazole Suppliers

Global Suppliers ( 59)

Supplier	Tel	Email	Country	ProdList	Advantage
Zhengzhou Alfachem Co., Ltd.	0371-53765687 18937137882	3969243885@qq.com	China	7734	55
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
RYSS TECH LTD	400-188-0725 +86 21 34310725 13611771617		China	1999	57
Maya High Purity Chemicals	+86 (573) 82222445 (0)18006601000 452520369	sales@maya-r.com	China	11693	57
Thermo Fisher Scientific	800-810-5118	cnchemical@thermofisher.com	China	17752	75
Shanghai Na Qian Chemical Technology Co. Ltd.	13598610367 13598610367	2841375912@qq.com	China	3751	52
Jilin Chinese Academy of Sciences - Yanshen Technology Co., Ltd	0431-80534353 19917294565	et@chemextension.com	China	3904	55
Shanghai Chaolan Chemical Technology Center	QQ：65489617 13301690235	Sales@ATKchemical.com	China	9729	58
Zhengzhou Acme Chemical Co., Ltd.	0371-0371-55629727 13323845623	2885676761@qq.com	China	9957	58

Supplier	Advantage
Zhengzhou Alfachem Co., Ltd.	55
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
RYSS TECH LTD	57
Maya High Purity Chemicals	57
Thermo Fisher Scientific	75
Shanghai Na Qian Chemical Technology Co. Ltd.	52
Jilin Chinese Academy of Sciences - Yanshen Technology Co., Ltd	55
Shanghai Chaolan Chemical Technology Center	58
Zhengzhou Acme Chemical Co., Ltd.	58

15311-09-8 (2,5-Bis(4-pyridyl)-1,3,4-thiadiazole) Related Search:

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4,4'-(1,3,4-thiadiazole-2,5-diyl)dianiline

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4,4’-(1,3,4-thiadiazole-2,5-diyl)di-pyridin Pyridine,4,4'-(1,3,4-thiadiazole-2,5-diyl)bis- 4,4’-(1,3,4-thiadiazole-2,5-diyl)dipyridine 4-thiazole,2,5-bis(4-piridinyl)-3 SALOR-INT L161624-1EA 4-[5-(4-PYRIDINYL)-1,3,4-THIADIAZOL-2-YL]PYRIDINE 2,5-Bis(4-pyridinyl)-1,3,4-thiadiazole 2,5-Di(4-pyridyl)-1,3,4-thiadiazole 4,4'-(1,3,4-Thiadiazole-2,5-diyl)bispyridine 2,5-Bis(4-pyridyl)-1,3,4-thiadiazole,95% 2,5-dipyridin-4-yl-1,3,4-thiadiazole DK7551 2,5-Bis(4-pyridyl)-1,3,4-thiadiazole 15311-09-8 C12H8N4S