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dibenzoylmethane/high quality/best price CAS NO.120-46-7

Min.Order Quantity:
10 Gram
Purity:
99%
Port:
Wuhan, Shanghai, Guangzhou, Tianjin port
Payment Terms:
L/C,T/T,Western Union,MoneyGram,Other

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Product Details

Keywords

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

Quick Details

  • ProName: dibenzoylmethane/high quality/best pri...
  • CasNo: 120-46-7
  • Molecular Formula: C15H12O2
  • Appearance: yellowish-white powder
  • Application: Fine Intermediate
  • DeliveryTime: within in 5-7 working days after recei...
  • PackAge: 25kg/paper drum or basis user request
  • Port: Wuhan, Shanghai, Guangzhou, Tianjin po...
  • ProductionCapacity: 200 Kilogram/Month
  • Purity: 99%
  • Storage: Store in dry, dark and ventilated plac...
  • Transportation: by sea/by express
  • LimitNum: 10 Gram
  • Grade: Industrial Grade,Pharma Grade

Superiority

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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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