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8.04104 Sigma-Aldrich

Glycolic acid

for synthesis

Synonym: Glycolic acid, Hydroxyacetic acid

  • CAS Number 79-14-1

  • Empirical Formula (Hill Notation) C2H4O3

  • Molecular Weight 76.05

  •  MDL number MFCD00004312

  •  EC Index Number 201-180-5

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Properties

Quality Level   200
vapor pressure   10.8 hPa ( 80 °C)
assay   ≥99% (acidimetric)
form   solid
potency   2040 mg/kg LD50, oral (Rat)
pH   2 (20 °C, 50 g/L in H2O)
bp   100 °C (decomposition)
mp   74-78 °C
transition temp   flash point >300 °C (decomposition)
solubility   water: soluble at 20 °C
density   1.49 g/cm3 at 25 °C
bulk density   600 kg/m3
InChI   1S/C2H4O3/c3-1-2(4)5/h3H,1H2,(H,4,5)
InChI key   AEMRFAOFKBGASW-UHFFFAOYSA-N
storage conditions   Store below +30°C.

Description

Analysis Note

Assay (acidimetric): ≥ 99.0 %
Melting range (lower value): ≥ 74 °C
Melting range (upper value): ≤ 79 °C
Identity (IR): passes test

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