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HomeProduct name list3,4,5-Trimethoxyphenol

3,4,5-Trimethoxyphenol

  • CAS NO.:642-71-7
  • Empirical Formula: C9H12O4
  • Molecular Weight: 184.19
  • MDL number: MFCD00008389
  • EINECS: 211-387-2
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-11-19 23:02:33
3,4,5-Trimethoxyphenol Structural

What is 3,4,5-Trimethoxyphenol?

Chemical properties

light yellow to brown crystalline powder

The Uses of 3,4,5-Trimethoxyphenol

3,4,5-Trimethoxyphenol is a useful synthetic intermediate in the synthesis of Thymonin (T413210); a flavonoid compound with potential antioxidant activity against peroxyl radicals.

Definition

ChEBI: A member of the class of phenols that is phenol substituted by methoxy groups at positions 3, 4 and 5.

Purification Methods

Recrystallise the phenol from 10 times its weight of H2O (white needles, m 148o). The acetyl derivative crystallises as elongated prisms from EtOH with m 74o. [Chapman et al. J Chem Soc 3028 1927, Shriner et al. J Am Chem Soc 61 2325 1939, Beilstein 6 H 1154, 6 II 1118, 6 III 6656.]

Properties of 3,4,5-Trimethoxyphenol

Melting point: 145-149 °C
Boiling point: 278.13°C (rough estimate)
Density  1.2067 (rough estimate)
refractive index  1.4345 (estimate)
storage temp.  Sealed in dry,Room Temperature
solubility  Soluble in chloroform.
form  Powder and/or Chunks
pka 9.72±0.23(Predicted)
color  Light yellow to beige to light brown
Sensitive  Light Sensitive
BRN  1958573
CAS DataBase Reference 642-71-7(CAS DataBase Reference)
NIST Chemistry Reference Phenol, 3,4,5-trimethoxy-(642-71-7)

Safety information for 3,4,5-Trimethoxyphenol

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
Precautionary Statement Codes P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P332+P313:IF SKIN irritation occurs: Get medical advice/attention.
P337+P313:IF eye irritation persists: Get medical advice/attention.

Computed Descriptors for 3,4,5-Trimethoxyphenol

InChIKey VTCDZPUMZAZMSB-UHFFFAOYSA-N

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