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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Pentanoic acid,4-(hydroxyimino)-, ethyl ester
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63917-03-3

63917-03-3 structure

63917-03-3 structure

Name: Pentanoic acid,4-(hydroxyimino)-, ethyl ester
Chemical Name: ethyl (4E)-4-hydroxyiminopentanoate
CAS Number: 63917-03-3
Molecular Formula: C₇H₁₃NO₃
Molecular Weight: 159.18300
Create Date: 2016-07-17 02:15:25
Modify Date: 2025-08-25 18:41:17

Name	ethyl (4E)-4-hydroxyiminopentanoate
Synonyms	Levulinic acid,oxime,ethyl ester Pentanoic acid,4-(hydroxyimino)-,ethyl ester

Density	1.06g/cm3
Boiling Point	268.4ºC at 760mmHg
Molecular Formula	C₇H₁₃NO₃
Molecular Weight	159.18300
Flash Point	116.1ºC
Exact Mass	159.09000
PSA	58.89000
LogP	1.17980
Index of Refraction	1.456

CHEMICAL IDENTIFICATION

RTECS NUMBER :: OI1750000

CHEMICAL NAME :: Levulinic acid, oxime, ethyl ester

CAS REGISTRY NUMBER :: 63917-03-3

BEILSTEIN REFERENCE NO. :: 1770827

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C7-H13-N-O3

MOLECULAR WEIGHT :: 159.21

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 500 mg/kg

TOXIC EFFECTS :: Behavioral - excitement Lungs, Thorax, or Respiration - dyspnea

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: 4,379,1952

HS Code	2928000090

539-88-8 structure

539-88-8

~%

63917-03-3 structure

63917-03-3

Literature: Michael Journal fuer Praktische Chemie (Leipzig), 1891 , vol. <2> 44, p. 114

Precursor 1
539-88-8
DownStream 2
108-27-0 13880-74-5

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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