Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Spiro(benz(c,d)indole-5(1H),3-indoline)-3-carboxylic acid, 2,4-dihydro-2,2-dioxo-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

73972-38-0

73972-38-0 structure

73972-38-0 structure

Name: Spiro(benz(c,d)indole-5(1H),3-indoline)-3-carboxylic acid, 2,4-dihydro-2,2-dioxo-
Chemical Name: 2,2'-dioxospiro[1,4-dihydrobenzo[cd]indole-5,3'-1H-indole]-3-carboxylic acid
CAS Number: 73972-38-0
Molecular Formula: C₁₉H₁₂N₂O₄
Molecular Weight: 332.31000
Create Date: 2016-05-22 17:15:34
Modify Date: 2025-09-09 11:40:27

Name	2,2'-dioxospiro[1,4-dihydrobenzo[cd]indole-5,3'-1H-indole]-3-carboxylic acid

Density	1.62g/cm3
Boiling Point	654.7ºC at 760 mmHg
Molecular Formula	C₁₉H₁₂N₂O₄
Molecular Weight	332.31000
Flash Point	349.7ºC
Exact Mass	332.08000
PSA	95.50000
LogP	2.39480
Index of Refraction	1.79

CHEMICAL IDENTIFICATION

RTECS NUMBER :: WG9670000

CHEMICAL NAME :: Spiro(benz(c,d)indole-5(1H),3'-indoline)-3-carboxylic acid, 2,4-dihydro-2,2'-dioxo-

CAS REGISTRY NUMBER :: 73972-38-0

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C19-H12-N2-O4

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 :: 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#05156

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.