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China
Product Name: Methyl ethyl ketone thiosemicarbazone
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1752-40-5

1752-40-5 structure

1752-40-5 structure

Name: Methyl ethyl ketone thiosemicarbazone
Chemical Name: Methyl ethyl ketone thiosemicarbazone
CAS Number: 1752-40-5
Molecular Formula: C₅H₁₁N₃S
Molecular Weight: 145.22600
Create Date: 2016-11-25 19:26:41
Modify Date: 2025-08-26 07:04:21

Name	Methyl ethyl ketone thiosemicarbazone
Synonyms	ethylmethyl ketone thiosemicarbazone 2-(1-methylpropylidene)-1-hydrazinecarbothioamide 2-Butanone thiosemicarbazone butanone thiosemicarbazone 1-(1-Methylpropylidene)thiosemicarbazide Butan-2-on-thiosemicarbazon butan-2-one thiosemicarbazone ethylmethylketothiosemicarbazone

Density	1.15g/cm3
Boiling Point	231.6ºC at 760 mmHg
Molecular Formula	C₅H₁₁N₃S
Molecular Weight	145.22600
Flash Point	93.9ºC
Exact Mass	145.06700
PSA	82.50000
LogP	1.69670
Vapour Pressure	0.0617mmHg at 25°C
Index of Refraction	1.557

CHEMICAL IDENTIFICATION

RTECS NUMBER :: VT3200000

CHEMICAL NAME :: Semicarbazide, 1-(2-butylidene)-3-thio-

CAS REGISTRY NUMBER :: 1752-40-5

LAST UPDATED :: 197901

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C5-H11-N3-S

MOLECULAR WEIGHT :: 145.25

WISWESSER LINE NOTATION :: SUYZMNUY2&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 56 mg/kg

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

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#00294

HS Code	2930909090

79-19-6 structure

79-19-6

78-93-3 structure

78-93-3

~91%

1752-40-5 structure

1752-40-5

Literature: European Journal of Medicinal Chemistry, , vol. 44, # 4 p. 1773 - 1778

52578-79-7 structure

52578-79-7

7732-18-5 structure

7732-18-5

~%

1752-40-5 structure

1752-40-5

Literature: Svensk Kemisk Tidskrift, , vol. 67, p. 361,363

Precursor 4
79-19-6 78-93-3 52578-79-7 7732-18-5
DownStream 2
79-19-6 78-93-3

HS Code	2930909090
Summary	2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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