dibenzoylmethane/high quality/best price

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10 Gram	Negotiable

10 Gram

Negotiable

Min.Order :10 Gram
Purity: 99%
Payment Terms : L/C,T/T,Other

Keywords

dibenzoylmethane high purity dibenzoylmethane high quality cas 120-46-7

Quick Details

Appearance:yellowish-white powder
Application:Fine Intermediate
PackAge:25kg/paper drum or basis user request
ProductionCapacity:200|Kilogram|Month
Storage:Store in dry, dark and ventilated place
Transportation:by sea/by express

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Details:

Description

1,3-Diphenyl-1,3-propanedione (dibenzoylmethane, DBM) is an aromatic 1,3-diketone derivative of acetylacetone (acac), where both methyl groups in acac have been substituted by phenyl groups. It is a white solid melting at 77−78°C. Similar to acac, DBM exists in two tautomeric forms, with the keto-enol equilibrium of DBM shifting strongly towards the enol form, particularly in non-polar solvents such as benzene. This is the result of the stability of the intramolecular hydrogen bond in the cis-enol form which is further resonance-stabilized by conjugation with phenyl rings. Due to its high photostability, derivatives of DBM such as avobenzone, have found applications as sunscreen products.

Properties
Appearance & Physical State:	yellowish-white powder
Melting Point:	75-79ºC
Boiling Point:	219-221ºC (18 mmHg)
Flash Point:	146.9ºC
Refractive Index:	1.623
Stability:	Stable. Incompatible with strong oxidizing agents.
Storage Condition:	Store at RT.
Vapor Pressure:	1.63E-06mmHg at 25°C

Safety Info
RTECS:	TZ1930000
Safety Statements:	S24/25
HS Code:	2914399090

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