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D-Xylose

Product

D-Xylose

CAS No.

58-86-6

Molecular Formula

C5H10O5

Molecular Weight

150.13

Structural Formula

Packing

In 25kgs bag

Shelf Life

2 Years, Keep in cool and dry place

Specification

Standard

Identification test A&B

Positive

Appearance

White crystalline powder

Assay(C5H10O5)

98-102%

Color in solution

Clear and colorless

Loss on drying

≤0.1%

Residue on ignition

≤0.05%

Specific rotation

+18.2o-+19.4o

PH in aqueous solution

3.0-6.0

Heavy metals(as Pb)

≤0.001%

Arsenic(as As2O3)

≤0.002%

Iron(as Fe)

≤5ppm

Sulfate

≤50ppm

Chromatographic purity

Meet the requirement

Transparency

≥95%

Total acrobic bactoria

≤1000cfu/g

Coliform

≤30mpn/100g

Yeast&mold

≤100cfu/g

Salmonella

Negative

 

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