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trans-Cinnamic acid

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trans-Cinnamic acid Basic information
trans-Cinnamic acid Chemical Properties
  • Melting point:133 °C(lit.)
  • Boiling point:300 °C(lit.)
  • Density 1.248
  • vapor pressure 1.3 hPa (128 °C)
  • refractive index 1.5049 (estimate)
  • Flash point:>230 °F
  • storage temp. Store at RT.
  • solubility 0.4g/l
  • pka4.44(at 25℃)
  • form Crystalline Powder
  • color White to almost white
  • Specific Gravity0.91
  • OdorFaint odour
  • PH3-4 (0.4g/l, H2O, 20℃)
  • PH Range3 - 4
  • Water Solubility 0.4 g/L (20 ºC)
  • λmax273nm(MeOH)(lit.)
  • Merck 14,2299
  • BRN 1905952
  • InChIKeyWBYWAXJHAXSJNI-VOTSOKGWSA-N
  • CAS DataBase Reference140-10-3(CAS DataBase Reference)
  • NIST Chemistry ReferenceCinnamic acid(140-10-3)
  • EPA Substance Registry System(E)-Cinnamic acid (140-10-3)
Safety Information
  • Hazard Codes Xi
  • Risk Statements 36/37/38
  • Safety Statements 26-36-37/39
  • WGK Germany 1
  • RTECS GD7850000
  • TSCA Yes
  • HS Code 29163900
  • ToxicityLD50 orally in Rabbit: 2500 mg/kg LD50 dermal Rabbit > 5000 mg/kg
MSDS
trans-Cinnamic acid Usage And Synthesis
  • Chemical PropertiesWhite to almost white crystalline powder
  • Purification MethodsCrystallise the acid from *benzene, CCl4, hot water, water/EtOH (3:1), or 20% aqueous EtOH. Dry it at 60o in vacuo. It is steam volatile. [Beilstein 9 IV 2002.]
trans-Cinnamic acid Preparation Products And Raw materials
trans-Cinnamic acid(140-10-3)Related Product Information
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