D-Arabinpyranose Chemical Properties

Melting point:

162-164 °C(lit.)

alpha 

-103.5 º (c=4, H2O, 24hrs.)

Boiling point:

191.65°C (rough estimate)

Density 

1.1897 (rough estimate)

refractive index 

1.3920 (estimate)

storage temp. 

Sealed in dry,2-8°C

solubility 

H₂O: 1 M at 20 °C, clear, colorless

pka

12.26±0.70(Predicted)

form 

Liquid

color 

Clear

Water Solubility 

soluble

Stability:

Hygroscopic

CAS DataBase Reference

28697-53-2(CAS DataBase Reference)

Safety Information

Safety Statements 

24/25

WGK Germany 

3

F 

3-10

HS Code 

29400090

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS

D-Arabinpyranose Usage And Synthesis

Chemical Properties

White to off-white powder

Uses

An inhibitor of the enzyme glucose dehydrogenase.

Definition

ChEBI: D-arabinopyranose is d-Arabinose in its pyranose form.

Purification Methods

Crystallise D-(-)-arabinose three times from EtOH, dry it in vacuo at 60o for 24hours and store it in a vacuum desiccator. It also crystallises from a mixture of H2O/MeOH/EtOH with m 158-160o, or H2O with m 160-161o. [Whistler & Schweiger J Am Chem Soc 81 5190 1959, Fletcher et al. J Am Chem Soc 72 4546 1950, Beilstein 1 IV 4215, see Angyal Adv Carbohydrate Chem Biochem 42 15 1984 for ratio of anomers in solution.]

D-Arabinpyranose(28697-53-2)Related Product Information

• Arabic gum
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