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: 1,4-Pentadien-3-one,1,5-bis(3-nitrophenyl)-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

621-21-6

621-21-6 structure

621-21-6 structure

Name: 1,4-Pentadien-3-one,1,5-bis(3-nitrophenyl)-
Chemical Name: 1,5-bis(3-nitrophenyl)penta-1,4-dien-3-one
CAS Number: 621-21-6
Molecular Formula: C₁₇H₁₂N₂O₅
Molecular Weight: 324.28800
Create Date: 2016-08-20 05:40:55
Modify Date: 2025-09-10 09:43:44

Name	1,5-bis(3-nitrophenyl)penta-1,4-dien-3-one
Synonyms	1,5-Bis(m-nitrophenyl)-1,4-pentadien-3-one 3,3'-Dinitrobenzalacetone Einecs 210-672-9 Bis-(3-nitrobenzal)-aceton 1,5-Bis(3-nitrophenyl)-1,4-pentadien-3-one Bis(3-nitrostyryl) ketone (1E,4E)-1,5-bis-(3-nitrophenyl)-penta-1,4-dien-3-one (E,E)-1,5-Di(3-nitrophenyl)-1,4-pentadien-3-one 1,5-bis-(3'-nitrophenyl)-penta-1E,4E-dien-3-one Bis[2-(3-nitrophenyl)ethenyl] ketone 1,4-Pentadien-3-one,1,5-bis(m-nitrophenyl)

Density	1.37g/cm3
Boiling Point	533.8ºC at 760 mmHg
Molecular Formula	C₁₇H₁₂N₂O₅
Molecular Weight	324.28800
Flash Point	258.8ºC
Exact Mass	324.07500
PSA	108.71000
LogP	4.84510
Index of Refraction	1.692

CHEMICAL IDENTIFICATION

RTECS NUMBER :: RZ2476520

CHEMICAL NAME :: 1,4-Pentadien-3-one, 1,5-bis(m-nitrophenyl)-

CAS REGISTRY NUMBER :: 621-21-6

BEILSTEIN REFERENCE NO. :: 2627089

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C17-H12-N2-O5

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >500 mg/kg

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

REFERENCE :: NCNSA6 National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. (Washington, DC) Volume(issue)/page/year: 5,29,1953

HS Code	2914700090

Precursor 0
DownStream 1
882-26-8

HS Code	2914700090
Summary	HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%

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.