Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: METHYL ETHYL KETONE SEMICARBAZONE
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Purity: 98.0%
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624-46-4

624-46-4 structure

Name: methyl ethyl ketone semicarbazone
Chemical Name: methyl ethyl ketone semicarbazone
CAS Number: 624-46-4
Molecular Formula: C₅H₁₁N₃O
Molecular Weight: 129.16000
Create Date: 2016-06-27 02:12:49
Modify Date: 2025-09-25 23:16:22

Name	methyl ethyl ketone semicarbazone
Synonyms	2-butanone semicarbazone 1-sec-Butylidenesemicarbazide butanone semicarbazone ethylmethylketone semicarbazone butan-2-one semicarbazone Butanon-semicarbazon

Density	1.12g/cm3
Molecular Formula	C₅H₁₁N₃O
Molecular Weight	129.16000
Exact Mass	129.09000
PSA	67.48000
LogP	1.53180
Index of Refraction	1.507

CHEMICAL IDENTIFICATION

RTECS NUMBER :: EM0175000

CHEMICAL NAME :: 2-Butanone, semicarbazone

CAS REGISTRY NUMBER :: 624-46-4

BEILSTEIN REFERENCE NO. :: 1703144

LAST UPDATED :: 199612

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C5-H11-N3-O

MOLECULAR WEIGHT :: 129.19

WISWESSER LINE NOTATION :: ZVMNUY2&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 250 mg/kg

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

REFERENCE :: CBCCT* "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. (National Academy of Science Library, 2101 Constitution Ave., NW, Washington, DC 20418) Volume(issue)/page/year: 9,129,1957

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 180 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#05085

HS Code	2928000090

563-41-7

78-93-3

~70%

624-46-4

Literature: PFIZER, INC. Patent: WO2009/144554 A1, 2009 ; Location in patent: Page/Page column 38 ;

4181-12-8

563-41-7

624-46-4

Literature: Lauer; Spielman Journal of the American Chemical Society, 1931 , vol. 53, p. 1535

25022-43-9

563-41-7

624-46-4

Literature: Pineau J. Recherches Centre nation., 1950 , vol. 3, p. 292,302

90-02-8

78-93-3

624-46-4

Literature: Bhal, L.; Singh, R. V.; Tandon, J. P. Acta Chimica Hungarica, 1984 , vol. 115, # 3 p. 251 - 260

6380-95-6

563-41-7

127-09-3

624-46-4

Literature: Dolliver et al. Journal of the American Chemical Society, 1938 , vol. 60, p. 441

Precursor 7
563-41-7 78-93-3 4181-12-8 25022-43-9
90-02-8 6380-95-6 127-09-3
DownStream 7
59-87-0 3232-84-6 110-21-4 5921-54-0
1129-62-0 154926-98-4 78-93-3

HS Code	2928000090
Summary	2928000090 other organic derivatives of hydrazine or of hydroxylamine VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

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