L-(-)-ARABITOL
Synonym(s):L -(−)-Arabitol;L -Arabinitol
- CAS NO.：7643-75-6
- Empirical Formula: C5H12O5
- Molecular Weight: 152.15
- MDL number: MFCD00064290
- EINECS: 231-582-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-04-19 20:05:26
What is L-(-)-ARABITOL?
Chemical properties
white amorphous powder
The Uses of L-(-)-ARABITOL
L-Arabitol, a rare sugar alcohol, is being studied as a food additive that reduces fat deposits in the intestines. L-Arabitol is used as an inducer of xylanase expression in Hypocrea jecorina (Trichoderma reesei). L-Arabitol is used to identify, differentiate and characterize L-arabitol dehydrogenase(s).
Definition
ChEBI: The L-enantiomer of arabinitol.
General Description
Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.
L-Arabinitol is formed as a by-product of L-arabinose during the xylitol production in corn cob hydrolysates.
Purification Methods
This pentol, which occurs in the urine of pentosuric subjects, is purified by recrystallisation from 90% EtOH or MeOH. It has a higher rotation in the presence of molybdate: [] 20D -130o (c 0.16, acidified molybdate) [Richtmeyer & Hudson J Am Chem Soc 73 2249 1957]. [G.tzi & Reichstein Helv Chim Acta 21 197 1938, Beilstein 1 IV 2832.]
Properties of L-(-)-ARABITOL
| Melting point: | 101-104 °C(lit.) |
| Boiling point: | 194.6°C (rough estimate) |
| Density | 1.1497 (rough estimate) |
| refractive index | 1.3960 (estimate) |
| storage temp. | 2-8°C |
| solubility | H2O: 0.1 g/mL, clear, colorless |
| pka | 13.24±0.20(Predicted) |
| form | Powder |
| color | White to off-white |
| Water Solubility | Soluble in water (50 mg/ml). |
| Sensitive | Hygroscopic |
| Merck | 14,762 |
| BRN | 1720521 |
| Stability: | Hygroscopic |
| CAS DataBase Reference | 7643-75-6(CAS DataBase Reference) |
| EPA Substance Registry System | L-Arabinitol (7643-75-6) |
Safety information for L-(-)-ARABITOL
Computed Descriptors for L-(-)-ARABITOL
Abamectin manufacturer
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