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Diphenolic acid

Diphenolic acid Structure
Diphenolic acid
  • CAS No.126-00-1
  • Chemical Name:Diphenolic acid
  • CBNumber:CB3395181
  • Molecular Formula:C17H18O4
  • Formula Weight:286.32
  • MOL File:126-00-1.mol
Diphenolic acid Property
  • Melting point: :167-170 °C(lit.)
  • Boiling point: :388.69°C (rough estimate)
  • Density  :1.30
  • refractive index  :1.5450 (estimate)
  • Flash point: :208°C
  • pka :4.66±0.10(Predicted)
  • Merck  :14,3312
  • BRN  :1886361
  • InChIKey :VKOUCJUTMGHNOR-UHFFFAOYSA-N
  • CAS DataBase Reference :126-00-1(CAS DataBase Reference)
  • EPA Substance Registry System :Diphenolic acid (126-00-1)
Safety
  • Hazard Codes  :Xi
  • Risk Statements  :36/37/38-36
  • Safety Statements  :26-37/39-36
  • WGK Germany  :3
  • F  :10
  • TSCA  :Yes
  • HS Code  :29182900
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordWarning
  • Hazard statements H315-H319-H335
  • Precautionary statements P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P261-P305+P351+P338-P280i-P337+P313
Diphenolic acid Price More Price(4)
  • Brand: Sigma-Aldrich
  • Product number: B47707
  • Product name : 4,4-Bis(4-hydroxyphenyl)valeric acid
  • Purity: 95%
  • Packaging: 250g
  • Price: $60.4
  • Updated: 2019/12/02
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: B47707
  • Product name : 4,4-Bis(4-hydroxyphenyl)valeric acid
  • Purity: 95%
  • Packaging: 1kg
  • Price: $179
  • Updated: 2019/12/02
  • Buy: Buy
  • Brand: TCI Chemical
  • Product number: D1274
  • Product name : Diphenolic Acid
  • Purity: >98.0%(GC)(T)
  • Packaging: 25g
  • Price: $28
  • Updated: 2019/12/02
  • Buy: Buy
  • Brand: TCI Chemical
  • Product number: D1274
  • Product name : Diphenolic Acid
  • Purity: >98.0%(GC)(T)
  • Packaging: 500g
  • Price: $92
  • Updated: 2019/12/02
  • Buy: Buy

Diphenolic acid Chemical Properties,Usage,Production

  • Chemical Properties Light pink solid
  • Uses Diphenolic acid (DPA) has been identified as a potential replacement for bisphenol A, which is one of the monomers for epoxy resins and polycarbonates. DPA also can Intermediate for surface coatings, lubricating oil additives, cosmetics, surfactants, plasticizers, textile chemicals.
  • Preparation Diphenolic acid (DPA) can be made by the condensation reaction of levulinic acid with phenol in the presence of acid catalysts.
    Synthesis of diphenolic acid from levulinic acid
    Synthesis of diphenolic acid from levulinic acid
  • Industrial uses Diphenolic acid, the condensation product of levulinic acid and phenol, is useful in the preparation of the modified phenol formaldehyde resins, polyether resins and as monocarboxilic acid chain stopper in alkyd resin (Bader, 1960). Further, diphenolic acid can be substituted for bis-phenol A, the primary raw material for production of epoxy resin.
  • Purification Methods When recrystallised from *C6H6, the crystals have 0.5 mol of *C6H6 (m 120-122o), and when recrystallised from toluene, the crystals have 0.5 mol of toluene. Purify the acid by recrystallisation from hot H2O. It is soluble in Me2CO, AcOH, EtOH, propan-2-ol, methyl ethyl ketone. It can also be recrystallised from AcOH, heptane/Et2O or Me2CO/*C6H6. It has max 225 and 279nm in EtOH. The methyl ester has m 87-89o (aqueous MeOH to give the trihydrate). [Bader & Kantowicz J Am Chem Soc 76 4465 1954, Beilstein 10 IV 1890.]
Diphenolic acid Preparation Products And Raw materials
Raw materials
Preparation Products
Diphenolic acid Suppliers
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