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Product Name: 5H-Dibenzo[a,d]cyclohepten-5-one,oxime
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1021-91-6

1021-91-6 structure

1021-91-6 structure

Name: 5H-Dibenzo[a,d]cyclohepten-5-one,oxime
Chemical Name: N-(dibenzo[1,2-a:1',2'-e][7]annulen-11-ylidene)hydroxylamine
CAS Number: 1021-91-6
Molecular Formula: C₁₅H₁₁NO
Molecular Weight: 221.25400
Create Date: 2018-12-28 18:40:45
Modify Date: 2026-11-08 19:52:28

Name	N-(dibenzo[1,2-a:1',2'-e][7]annulen-11-ylidene)hydroxylamine
Synonyms	5H-dibenzo[a,d]cyclohten-5-one oxime dibenzosuberenone oxime dibenzocyclohepten-5-one oxime 5H-Dibenzo[a,d]annulen-5-one oxime dibenzo[2,1-b:1′,2′,-e]annulen-11-one oxime 5H-Dibenzo[a,d]annulen-5-one oxime - [AC80740] Dibenzo<a,d>cyclohepten-5-oxime tricyclo[9.4.0.03]pentadeca-1,3,4,6,9,12,14-htaen-2-one oxime EINECS 213-820-0

Density	1.16g/cm3
Boiling Point	398.4ºC at 760mmHg
Molecular Formula	C₁₅H₁₁NO
Molecular Weight	221.25400
Flash Point	255.5ºC
Exact Mass	221.08400
PSA	32.59000
LogP	3.28290
Vapour Pressure	4.61E-07mmHg at 25°C
Index of Refraction	1.631

CHEMICAL IDENTIFICATION

RTECS NUMBER :: HP1350000

CHEMICAL NAME :: 5H-Dibenzo(a,d)cyclohepten-5-one, oxime

CAS REGISTRY NUMBER :: 1021-91-6

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C15-H11-N-O

MOLECULAR WEIGHT :: 221.27

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#02310

HS Code	2928000090

Precursor 1
2222-33-5
DownStream 2
24701-51-7 833-48-7

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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