D-Galactal
Synonym(s):1,5-Anhydro-2-deoxy-D -lyxo-hex-1-enitol
- CAS NO.：21193-75-9
- Empirical Formula: C6H10O4
- Molecular Weight: 146.14
- MDL number: MFCD00038067
- EINECS: 244-264-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-04-06 17:48:18
What is D-Galactal?
Chemical properties
White Powder
The Uses of D-Galactal
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.]
Properties of D-Galactal
| 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 |
| CAS DataBase Reference | 21193-75-9(CAS DataBase Reference) |
Safety information for D-Galactal
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. 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. |
Computed Descriptors for D-Galactal
| InChIKey | YVECGMZCTULTIS-HSUXUTPPSA-N |
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