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D-Galactal

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D-Galactal Basic information

Product Name:
D-Galactal
Synonyms:
  • GALACTAL
  • GALACTAL, D-
  • D-GALACTAL
  • D-Galactat
  • 2-(Hydroxymethyl)-3,4-dihydro-2H-pyran-3,4-diol
  • 1,5-ANHYDRO-2-DEOXY-D-LYXO-HEX-1-ENITOL
  • (2R,3R,4R)-2-(hydroxymethyl)-3,4-dihydro-2H-pyran-3,4-diol
  • (2R)-2α-(Hydroxymethyl)-3,4-dihydro-2H-pyran-3α,4α-diol
CAS:
21193-75-9
MF:
C6H10O4
MW:
146.14
EINECS:
244-264-7
Product Categories:
  • 13C & 2H Sugars
  • Biochemistry
  • Galactose
  • Glycals
  • Sugars
  • Carbohydrates & Derivatives
Mol File:
21193-75-9.mol
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D-Galactal Chemical Properties

Melting point:
99-103 °C (lit.)
Boiling point:
325.5±42.0 °C(Predicted)
Density 
1.414±0.06 g/cm3(Predicted)
refractive index 
-22 ° (C=1.2, MeOH)
storage temp. 
2-8°C
solubility 
Acetonitrile (Slightly), Methanol (Slightly)
form 
Solid
pka
12.79±0.60(Predicted)
color 
White to Off-White
optical activity
[α]22/D 21.5°, c = 1.2 in methanol
BRN 
81690
Stability:
Moisture Sensitive
InChIKey
YVECGMZCTULTIS-HSUXUTPPSA-N
CAS DataBase Reference
21193-75-9(CAS DataBase Reference)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36-24/25
WGK Germany 
3
HS Code 
29329990

MSDS

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D-Galactal Usage And Synthesis

Chemical Properties

White Powder

Uses

D-Galactal is an important building block for both solution- and solid-phase synthesis of oligosaccharides.

Definition

ChEBI: D-galactal is a glycal derived from D-galactopyranose It is a glycal and an anhydrohexose.

Purification Methods

Recrystallise D-galactal from EtOAc, EtOH or EtOAc/MeOH. [Overend et al. J Chem Soc 675 1950, Wood & Fletcher J Am Chem Soc 79 3234 1957, Distler & Jourdian J Biol Chem 248 6772 1973, Beilstein 17 III/IV 2332.]

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