3,4-Diaminothiophenedihydrochloride

Modify Date: 2025-08-20 13:08:35

3,4-Diaminothiophenedihydrochloride structure	Common Name	3,4-Diaminothiophenedihydrochloride
	CAS Number	90069-81-1	Molecular Weight	187.091
	Density	N/A	Boiling Point	385.5ºC at 760 mmHg
	Molecular Formula	C₄H₈Cl₂N₂S	Melting Point	>150°C
	MSDS	Chinese USA	Flash Point	N/A
	Symbol	GHS05, GHS06	Signal Word	Danger

Name	3,4-diaminothiophene dihydrochloride
Synonym	More Synonyms

Boiling Point	385.5ºC at 760 mmHg
Melting Point	>150°C
Molecular Formula	C₄H₈Cl₂N₂S
Molecular Weight	187.091
Exact Mass	185.978531
PSA	80.28000
LogP	3.67890
Storage condition	0-6°C

3,4-Diaminothiophenedihydrochloride MSDS(Chinese)

Symbol	GHS05, GHS06
Signal Word	Danger
Hazard Statements	H301-H317-H318
Precautionary Statements	P280-P301 + P310-P305 + P351 + P338
Hazard Codes	Xn: Harmful;
Risk Phrases	R20/21/22;R39
Safety Phrases	S36/37-S60-S61-S26-S16-S9
RIDADR	UN 1090 3/PG 2
HS Code	2934999090

2,5-DIBROMO-3,4...

CAS#:52431-30-8

~88%

3,4-Diaminothio...

CAS#:90069-81-1

Literature: Kuraray Co., Ltd.; Kondou, Yoshirou; Nakano, Kirihiro; Otake, Tomiaki Patent: US8519150 B2, 2013 ; Location in patent: Page/Page column 33 ;

3,4-dinitrothiophene

CAS#:19985-45-6

3,4-Diaminothio...

CAS#:90069-81-1

Literature: Synthesis, , # 12 p. 1124 - 1126

Precursor 2
CAS#:52431-30-8 2,5-DIBROMO-3,4... CAS#:19985-45-6 3,4-dinitrothiophene
DownStream 3
CAS#:272-43-5 Thieno[3,4-b]py... CAS#:78637-85-1 3,4-Diaminothiophene CAS#:78648-59-6 2,3-dimethylthi...

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Organic n-channel field-effect transistors based on arylenediimide-thiophene derivatives.

J. Am. Chem. Soc. 132 , 8440-8452, (2010)

The synthesis, structural, electrochemical, and thin film electrical and electronic structural properties of a series of arylene diimide-oligothiophene n-type semiconductors are reported. This family ...

Synthesis and characterization of new 2,3-disubstituted thieno[3,4-b]pyrazines: tunable building blocks for low band gap conjugated materials.

J. Org. Chem. 73 , 8529-8536, (2008)

Synthetic methods have been developed for the preparation of new 2,3-dihalothieno[3,4-b]pyrazines, from which a variety of new 2,3-difunctionalized thieno[3,4-b]pyrazines have been produced as precurs...

Zou; Y.; Wan; M.; Sang; G.; Ye; M.; Li; Y.

Adv. Funct. Mater. 18 , 2724-2732, (2008)

3,4-Diaminothiophene dihydrochloride

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MFCD00671511

3,4-Diaminothiophenedihydrochloride