D(+)-Xylose suppliers

D(+)-Xylose

CAS:: 58-86-6

MF:: C5H10O5

MW:: 150.13

SecurityInformation

Symbol(GHS) ：: GHS07

Signal word ：: Warning

Hazard statements ：: H315-H319-H335

Precautionary statements ：: P261-P305+P351+P338

Hazard Codes ：: Xi

Risk Statements ：: 36/37/38

Safety Statements ：: 24/25-36-26

WGK Germany ：: 2

RTECS ：: ZF2285000

F ：: 3

Hazard Note ：: Irritant

TSCA ：: Yes

HS Code ：: 29400090

Use：: -D(+)-Xylose forms needles or prisms (which have a very sweet taste) by slow crystallisation from aqueous 80% EtOH or absolute EtOH, which are then dried at 60o in vacuo over P2O5. Store it in a vacuum desiccator over CaSO4. 1Gram dissolves in 0.8mL H2O. [Bragg & Hough J Chem Soc 4347 1957, Hudson & Yanovsky J Am Chem Soc 39 1029 1917, Monroe J Am Chem Soc 41 1002 1919, Beilstein 1 IV 4223.] In D2O at 31o, 1H NMR showed the following ratios: -pyranose (36.5), -pyranose (63), -furanose + -furanose (~1) [Angyal Adv Carbohydr Chem 42 15 1984, Angyal & Pickles Aust J Chem 25 1711 1972].

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