D(-)-Ribose

CAS No. 50-69-1
Other Names D-RIB
MF C5H10O5
EINECS No. 200-059-4
FEMA No. 200-059-4
Place of Origin Zhejiang, China (Mainland)
Type Acidity Regulators, Antioxidants, Sweeteners

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D(-)-Ribose Details

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Items	Specification
Appearance	white crystals or crystalline powder
Assay(dry basis, HPLC)	97.0-102.0%
Specific Rotation [a]D 20	-18.0 - -22.0^o
Loss on Drying	≤2%
Residue on Ignition	≤0.2%
Transmittance	≥95.0%
Heavy metals(Pb)	≤10ppm
Arsenic(AS2O3)	≤2ppm
State of solution	≥95%
Other saccharide	not detectable(chromatographically)
Bacteria count	≤100cfu/g
Yeast &mold	≤100cfu/g
Coliform group	≤40MPN/100G
Pathogenic group	not detected in 25g

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