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D-ARABINITOL

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D-ARABINITOL Basic information

Product Name:
D-ARABINITOL
CAS:
488-82-4
MF:
C5H12O5
MW:
152.15
EINECS:
207-686-2
Mol File:
488-82-4.mol
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D-ARABINITOL Chemical Properties

Melting point:
101-104 °C
alpha 
+10~+14゜(20℃/D)(c=5,Na2B4O7 soln.)
Boiling point:
194.6°C (rough estimate)
Density 
1.1497 (rough estimate)
refractive index 
1.3960 (estimate)
storage temp. 
Refrigerator (+4°C)
solubility 
H2O: 0.1 g/mL, clear, colorless
pka
13.24±0.20(Predicted)
form 
Fine Crystalline Powder
color 
White to off-white
Water Solubility 
Soluble in water (50 mg/ml).
Merck 
14,762
BRN 
1720520
CAS DataBase Reference
488-82-4(CAS DataBase Reference)
EPA Substance Registry System
D-Arabinitol (488-82-4)
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Safety Information

Hazard Codes 
Xn
Risk Statements 
20/21/22-36/37/38
Safety Statements 
24/25-36-26
WGK Germany 
3
3-10
TSCA 
Yes
HS Code 
29054980

MSDS

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D-ARABINITOL Usage And Synthesis

Chemical Properties

white to off-white fine crystalline powder

Occurrence

D-Arabinitol (lyxitol) is found in lichens; in a variety of fungi; in the urediospores of wheat stem rust; in the dried herbiage of the Peruvian shrub, pichi, along with D-mannitol, dulcitol, and perseitol; and in the avocado. It is formed by fermentation of glucose and in 40% yields using blackstrap molasses. D-Arabinitol is formed by catalytic hydrogenation of D-arabinose in the presence of Raney nickel and from the γ-lactones of D-arabinonic and D-lyxonic acids by reduction with sodium borohydride.

Purification Methods

This pentol, which occurs in lichens and fungi, is purified by recrystallisation from 90% EtOH or MeOH. [Ashina & Yamagita Chem Ber 67 801 1934, derivarives: Nakagawa et al. Bull Chem Soc Jpn 40 2150 1967, Prince & Reichstein Helv Chim Acta 20 101 1937, Hough & Theobald Methods in Carbohydrate Chemistry I 94 1962, Academic Press, Beilstein 1 IV 2832.]

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