1,2-Dibenzoylethylene

Names

[ Name ]:
1,2-Dibenzoylethylene

[Synonym ]:
dibenzoylethylene
1,2-dibenzoyl-ethylen
MFCD00003083
Ethylene,1,2-dibenzoyl
dibenzoylstilbene
EINECS 213-498-1
1,4-diaroylethylene
1,2-Dibenzoylethene
TRANS-DIPHENACYLIDENE
1,4-diphenylbut-2-ene-1,4-dione
1,2-dibenzoyl ethylene

Chemical & Physical Properties

[ Density]:
1.141 g/cm3

[ Boiling Point ]:
368.5ºC at 760 mmHg

[ Melting Point ]:
109-112ºC(lit.)

[ Molecular Formula ]:
C₁₆H₁₂O₂

[ Molecular Weight ]:
236.26500

[ Flash Point ]:
138.2ºC

[ Exact Mass ]:
236.08400

[ PSA ]:
34.14000

[ LogP ]:
3.30840

[ Index of Refraction ]:
1.597

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: EM7000000

CHEMICAL NAME :: 2-Butene-1,4-dione, 1,4-diphenyl-

CAS REGISTRY NUMBER :: 4070-75-1

BEILSTEIN REFERENCE NO. :: 1871333

LAST UPDATED :: 199712

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C16-H12-O2

MOLECULAR WEIGHT :: 236.28

WISWESSER LINE NOTATION :: RV1U1VR

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 :: 25 mg/kg

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

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689

Safety Information

[ Safety Phrases ]:
22-24/25

[ WGK Germany ]:
3

[ HS Code ]:
2914399090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

Benzoic acid,2-(aminothioxomethyl)hydrazide
2-Butyne-1,4-dione,1,4-diphenyl-
p-hydroxybenzoic acid thiosemicarbazide
N-(4-methoxybenzoyl)thiosemicarbazide
1-(p-Chlorobenzoyl)-thiosemicarbazide
PHENYL DIAZOMETHYL KETONE
Acrylonitrile
Ethyl acrylate TOP1 supplier
Methacrylonitrile
cyclohexenone

DownStream

1,2-DIBENZOYLETHANE
Triphenylphosphine
2-Butyne-1,4-dione,1,4-diphenyl-
Furan,2,3,4,5-tetraphenyl-
Phosphonic acid,(3,5-diphenyl-2-furanyl)- (9CI)
2-(4-methoxyphenyl)-1,4-diphenylbutane-1,4-dione
2-(4-methylphenyl)-1,4-diphenylbutane-1,4-dione
3,6-diphenylpyridazine
dimethyl 2-(1,4-dioxo-1,4-diphenylbutan-2-yl)propanedioate

Customs

[ HS Code ]: 2914399090

[ Summary ]:
2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%