Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 5H-Dibenzo[a,d]cyclohepten-5-one,oxime
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 5H-Dibenzo[a,d]cyclohepten-5-one,oxime
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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: 2025-09-25 18:21:46

Name	N-(dibenzo[1,2-a:1',2'-e][7]annulen-11-ylidene)hydroxylamine
Synonyms	dibenzosuberenone oxime EINECS 213-820-0 Dibenzo<a,d>cyclohepten-5-oxime dibenzocyclohepten-5-one oxime

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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