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trans-4-Hydroxycinnamic acid

trans-4-Hydroxycinnamic acid Structure
trans-4-Hydroxycinnamic acid
  • CAS No.501-98-4
  • Chemical Name:trans-4-Hydroxycinnamic acid
  • CBNumber:CB6164395
  • Molecular Formula:C9H8O3
  • Formula Weight:164.16
  • MOL File:501-98-4.mol
trans-4-Hydroxycinnamic acid Property
  • Melting point: :214 °C (dec.)(lit.)
  • Boiling point: :231.61°C (rough estimate)
  • Density  :1.1403 (rough estimate)
  • refractive index  :1.4500 (estimate)
  • storage temp.  :Keep in dark place,Sealed in dry,Room Temperature
  • solubility  :ethanol: soluble50mg/mL
  • form  :Powder
  • pka :4.65±0.10(Predicted)
  • color  :Off-white to beige or greenish
  • Water Solubility  :soluble
  • Merck  :14,2560
  • BRN  :2207383
  • InChIKey :NGSWKAQJJWESNS-ZZXKWVIFSA-N
  • CAS DataBase Reference :501-98-4(CAS DataBase Reference)
  • EWG's Food Scores :1
  • FDA UNII :IBS9D1EU3J
  • NIST Chemistry Reference :p-Hydroxycinnamic acid(501-98-4)
  • EPA Substance Registry System :2-Propenoic acid, 3-(4-hydroxyphenyl)-, (2E)- (501-98-4)
Safety
  • Hazard Codes  :Xi
  • Risk Statements  :36/37/38
  • Safety Statements  :26-36-37/39
  • WGK Germany  :2
  • RTECS  :GD9095000
  • HS Code  :29163990
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordWarning
  • Hazard statements H315-H319-H335-H303-H361
  • Precautionary statements P201-P405-P501a-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P261-P305+P351+P338
trans-4-Hydroxycinnamic acid Price More Price(14)
  • Brand: Sigma-Aldrich
  • Product number: C9008
  • Product name : p-Coumaric acid
  • Purity: ≥98.0% (HPLC)
  • Packaging: 1g
  • Price: $12.6
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: 03200595
  • Product name : p-Coumaric acid
  • Purity: primary pharmaceutical reference standard
  • Packaging: 50mg
  • Price: $314
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: TCI Chemical
  • Product number: C0393
  • Product name : trans-p-Coumaric Acid
  • Purity: >98.0%(GC)(T)
  • Packaging: 25g
  • Price: $55
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: TCI Chemical
  • Product number: C0393
  • Product name : trans-p-Coumaric Acid
  • Purity: >98.0%(GC)(T)
  • Packaging: 100g
  • Price: $161
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: Alfa Aesar
  • Product number: A15167
  • Product name : trans-4-Hydroxycinnamic acid, 98%
  • Purity: 
  • Packaging: 25g
  • Price: $63
  • Updated: 2021/03/22
  • Buy: Buy

trans-4-Hydroxycinnamic acid Chemical Properties,Usage,Production

  • Chemical Properties Off-white to beige or greenish powder
  • Uses trans-p-Coumaric Acid is the E-isomer of p-Coumaric Acid (C755365), a hydroxy derivative of Cinnamic Acid with antioxidant properties. p-Coumaric acid is a is a major component of lignocellulose. Stud ies suggest that p-Coumaric Acid may reduce the risk of cancer by reducing the formation of carcinogenic nitrosamines.
  • Definition ChEBI: The trans-isomer of 4-coumaric acid.
  • Purification Methods Crystallise p-coumaric acid from H2O (charcoal). It forms needles from concentrated aqueous solutions as the anhydrous acid, but from hot dilute solutions the monohydrate acid separates on slow cooling. The acid (33g) has been crystallised from 2.5L of H2O (1.5g charcoal) yielding 28.4g of recrystallised acid, m 207o. It is insoluble in *C6H6 or pet ether. The UV in 95% EtOH has max 223 and 286nm ( 14,450 and 19000 M-1cm-1). [UV Wheeler & Covarrubias J Org Chem 28 2015 1963, Corti Helv Chim Acta 32 681 1949, Beilstein 10 IV 1005.]
trans-4-Hydroxycinnamic acid Preparation Products And Raw materials
Raw materials
Preparation Products
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  • 3-(4-hydroxyphenyl)-,(E)-2-Propenoicacid
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  • Naringeninic acid
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  • 2-Propenoic acid, 3-(4-hydroxyphenyl)-, (2E)-
  • 4-HYDROXYCINNAMIC ACID (PREDOMINANTLY TRANS)
  • TRANS-COUMARICACID
  • PARA-TRANS-COUMARICACID
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  • p-Coumaric acid,trans-4-Hydroxycinnamic acid
  • (E)-3-(4-hydroxyphenyl)acrylic acid
  • p-HydroxycinnaMic acid, predoMinantly trans, 98% 25GR
  • p-CouMaricaci
  • trans-p-Cumaric Acid trans-4-Hydroxycinnamic Acid
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