D-Ribose White or slightly yellow crystalline Powder

PRODUCT NAME:

D-Ribose

FORMULA:

C₅H₁₀O₅

MOLECULAR WEIGHT:

150.13

PROPERTIES:

White or slightly yellow crystalline Powder

EINECS NO.:

200-059-4

CAS NO.:

50-69-1

H.S.CODE:

2932999099

SPECIFICATION:

ITEMS

STANDARDS

Description

White or slightly yellow crystalline powder

Identification

Infrared absorption spectrum

Assay, %

97.0 ~ 102 (HPLC, dry basis)

Loss on drying, %

≤3.0 (in vacuum, 60°C, 3 hours)

Residue on ignition, (sulfated)%

≤0.2

Specific rotation[α]D20

-18.0° ~ -22.0°

State of solution, %

≥95

Heavy metals, ppm

≤10

Arsenic (As2O3), ppm

≤2

Other saccharide

Negative

Pb, mg/kg

≤0.1

As, mg/kg

≤0.1

Aerobic Plate Count

Less than 100cfu/g

Pathogenic bacteria

Negative

PACKING:

25KG/BAG/CARTON/DRUM

HANDLIN & STORAGE:

Store under dry and cool condition

SHELF LIFE:

24 Months