Xylose

Product Name:

Xylitol FCC/USP Grade

Other Name:

1,2,3,4,5-Pentahydroxypentane

Molecular Formula:

C₅H₁₂O₅

Molecule Weight:

152.15

Items

Standard  

Results

Identification:

The infrared absorption of a potassium bromide dispersion of sample exhibits relative maxima at the same wavelengths as those of a similar preparation of USP Xylitol Reference Standard.

The infrared absorption of a potassium bromide dispersion of sample exhibits relative maxima at the same wavelengths as those of a similar preparation of USP Xylitol Reference Standard.

Appearance:

White crystalline powder

White crystalline powder

Assay:

≥98.50%

99.75%

Melting point:

92°C-96°C

93.0°C

Loss on drying:

≤0.30%

0.13%

Water:

≤0.50%

≤0.40%

Reducing sugars:

≤0.20%

0.018%

Other polyols:

≤1.5%

0.25%

Heavy metals:

≤1ppm

<1ppm

Arsenic:

≤0.5ppm

<0.5ppm

Chloride:

≤50ppm

<50ppm

Sulfate:

≤50ppm

<50ppm

Lead:

≤0.3ppm

<0.3ppm

pH:

5.0-7.0

6.10

Residue on ignition:

≤0.05%

0.002%

Nickel:

≤1ppm

<1ppm

Total plate count

≤50/g

0

Coliform

Negative

Negative

Salmonella

Negative

Negative

Yeast & Mold

≤10/g

0

Particle Size

20-80 mesh

20-80 mesh

Manufacture Date

2009.01.04

Expiry Date

2011.01.03