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8.21233 Sigma-Aldrich

4-Methoxyphenol

for synthesis

Synonym: 1-Hyroxy-4-methoxybenzene, Hydroquinone monomethyl ether, MEHQ, 4-Methoxyphenol

  • CAS Number 150-76-5

  • Empirical Formula (Hill Notation) C7H8O2

  • Molecular Weight 124.14

  •  MDL number MFCD00002332

  •  EC Index Number 205-769-8

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Properties

Quality Level   200
vapor pressure   0.009 hPa ( 20 °C)
assay   ≥99.0% (GC)
autoignition temp.   421 °C
potency   1600 mg/kg LD50, oral (Rat)
pH   5.1 (20 °C, 30 g/L in H2O)
bp   234-246 °C/1013 hPa
mp   54-57 °C
transition temp   flash point 131 °C
solubility   40 g/L
density   1.55 g/cm3 at 20 °C
InChI   1S/C7H8O2/c1-9-7-4-2-6(8)3-5-7/h2-5,8H,1H3
InChI key   NWVVVBRKAWDGAB-UHFFFAOYSA-N
storage conditions   Store below +30°C.

Description

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Melting range (lower value): ≥ 54 °C
Melting range (upper value): ≤ 57 °C
Identity (IR): passes test

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