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8.05223 Sigma-Aldrich

p-Cresol

for synthesis

Synonym: 4-Hydroxytoluene, 4-Methylphenol, p-Cresol

  • CAS Number 106-44-5

  • Empirical Formula (Hill Notation) C7H8O

  • Molecular Weight 108.14

  •  MDL number MFCD00002376

  •  EC Index Number 203-398-6

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Properties

Quality Level   200
vapor pressure   0.06 hPa ( 20 °C)
autoignition temp.   555 °C
potency   207 mg/kg LD50, oral (Rat)
  301 mg/kg LD50, skin (Rabbit)
expl. lim.   1 % (v/v)
bp   202.5 °C/1013 hPa
mp   31.0-35.0 °C
transition temp   flash point 86 °C
density   1.034 g/cm3 at 20 °C
InChI   1S/C7H8O/c1-6-2-4-7(8)5-3-6/h2-5,8H,1H3
InChI key   IWDCLRJOBJJRNH-UHFFFAOYSA-N
storage conditions   Store below +30°C.

Description

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Melting range (lower value): ≥ 31 °C
Melting range (upper value): ≤ 35 °C
o-Cresol (GC, area%): ≤ 0.5 % (a/a)
m-Cresol (GC, area%): ≤ 1.0 % (a/a)
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

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