Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Purity: 98.0%
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Methanone, 2,3-oxiranediylbis[phenyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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4440-98-6

4440-98-6 structure

4440-98-6 structure

Name: Methanone, 2,3-oxiranediylbis[phenyl-
Chemical Name: Methanone, 2,3-oxiranediylbis[phenyl
CAS Number: 4440-98-6
Molecular Formula: C₁₆H₁₂O₃
Molecular Weight: 252.26500
Create Date: 2016-10-23 12:24:29
Modify Date: 2025-08-28 11:57:20

Name	Methanone, 2,3-oxiranediylbis[phenyl
Synonyms	p-Dioxane,2,3-bis(tert-butyloxy) trans-2,3-epoxy-1,4-diphenylbutane-1,4-dione (+-)-trans-2,3-dibenzoyl-oxirane (+-)-trans-2,3-Dibenzoyl-oxiran trans-1,4-diphenyl-2,3-epoxy-1,4-butanedione trans-2,3-di(tert-butoxy)-1,4-dioxane dibenzoylethylene oxide trans-2,3-Epoxy-1,4-diphenyl-1,4-butanedione

Density	1.272g/cm3
Boiling Point	419.9ºC at 760 mmHg
Molecular Formula	C₁₆H₁₂O₃
Molecular Weight	252.26500
Flash Point	188.2ºC
Exact Mass	252.07900
PSA	46.67000
LogP	2.51960
Index of Refraction	1.625

CHEMICAL IDENTIFICATION

RTECS NUMBER :: EK3050000

CHEMICAL NAME :: 1,4-Butanedione, 1,4-diphenyl-2,3-epoxy-

CAS REGISTRY NUMBER :: 4440-98-6

LAST UPDATED :: 199712

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C16-H12-O3

MOLECULAR WEIGHT :: 252.28

WISWESSER LINE NOTATION :: T3OTJ BVR& CVR

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#01582

HS Code	2914399090

Precursor 0
DownStream 2
495-71-6 28744-96-9

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%

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