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China
Product Name: 2,5-Cyclohexadiene-1,4-dione,1-oxime
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637-62-7

637-62-7 structure

637-62-7 structure

Name: 4-Benzoquinone Monoxime
Chemical Name: 2,5-Cyclohexadiene-1,4-dione,1-oxime
CAS Number: 637-62-7
Molecular Formula: C₆H₅NO₂
Molecular Weight: 123.10900
Create Date: 2019-01-17 12:34:25
Modify Date: 2026-07-02 13:22:22

Name	2,5-Cyclohexadiene-1,4-dione,1-oxime
Synonyms	2,5-Cyclohexadiene-1,4-dione, monooxime Benzoquinone monoxime p-quinone monooxime 1,4-Benzoquinone 4-OxiMe p-benzoquinone,monooxime 4-hydroxyimino-5-cyclohexadien-1-one 4-hydroxyimino-2,5-cyclohexadiene-1-one 2,5-Cyclohexadiene-1,4-dione 1-OxiMe Quinone MonooxiMe p-benzoquinone, monooxime 2,5-Cyclohexadien-1-one, 4-hydroxyimino N-Hydroxy-p-benzoquinone imine

Density	1.23 g/cm3
Boiling Point	265.9ºC at 760 mmHg
Molecular Formula	C₆H₅NO₂
Molecular Weight	123.10900
Flash Point	114.6ºC
Exact Mass	123.03200
PSA	49.66000
LogP	0.51170

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GU5625000

CHEMICAL NAME :: 2,5-Cyclohexadien-1-one, 4-hydroxyimino-

CAS REGISTRY NUMBER :: 637-62-7

BEILSTEIN REFERENCE NO. :: 2040595

LAST UPDATED :: 199612

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C6-H5-N-O2

MOLECULAR WEIGHT :: 123.12

WISWESSER LINE NOTATION :: L6V DYJ DUNQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 260 mg/kg

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

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Escherichia coli

DOSE/DURATION :: 1 umol/plate

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 164,263,1986 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M3272 No. of Facilities: 11 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 136 (estimated)

HS Code	2928000090

Precursor 10
108-95-2 103-90-2 123-31-9 83933-58-8
104-94-9 1516-21-8 42344-05-8 106-51-4
33458-14-9 83933-63-5
DownStream 10
100-01-6 1473-33-2 488-48-2 1831-69-2
106-41-2 106-48-9 637-61-6 762-04-9
95-57-8 123-30-8

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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