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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Hydrazinecarbothioamide,2-[(5-cyano-2-thienyl)methylene]-
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21512-15-2

21512-15-2 structure

21512-15-2 structure

Name: Citenazone
Chemical Name: [(E)-(5-cyanothiophen-2-yl)methylideneamino]thiourea
CAS Number: 21512-15-2
Molecular Formula: C₇H₆N₄S₂
Molecular Weight: 210.27900
Catalog: Chemical reagent Organic reagent 腙
Create Date: 2018-05-29 08:00:00
Modify Date: 2025-08-25 18:09:14

Name	[(E)-(5-cyanothiophen-2-yl)methylideneamino]thiourea
Synonyms	Citenazonum [INN-Latin] Citenazone HOE 105 5-Formyl-2-thiophenecarbonitrile thiosemicarbazone Citenazona [INN-Spanish] 5-Cyanthiophene-2-aldehydethiosemicarbazone 5-Cyanothiophene-2-carboxaldehyde thiosemicarbazone

Density	1.47g/cm3
Boiling Point	397.4ºC at 760mmHg
Molecular Formula	C₇H₆N₄S₂
Molecular Weight	210.27900
Flash Point	194.2ºC
Exact Mass	210.00300
PSA	134.53000
LogP	1.87808
Vapour Pressure	1.59E-06mmHg at 25°C
Index of Refraction	1.734

CHEMICAL IDENTIFICATION

RTECS NUMBER :: MV1200000

CHEMICAL NAME :: Hydrazinecarbothioamide, 2-((5-cyano-2-thienyl)methylene)-

CAS REGISTRY NUMBER :: 21512-15-2

LAST UPDATED :: 199612

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C7-H6-N4-S2

MOLECULAR WEIGHT :: 210.29

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >50 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 22,1704,1972

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >50 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 22,1704,1972

HS Code	2934999090

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

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