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Specification of D(+)-Glucurono-3,6-lactone [32449-92-6]

1: Identification

Name:  D(+)-Glucurono-3,6-lactone

Synonyms:  D-Glucurone; glucuronolactone

Molecular Structure:

  

Molecular Formula:   C6H8O6  

Molecular Weight: 176.12

CAS NO.:  32449-92-6

EINECS:  251-053-3

2:Properties

Melting point:  170-176 ºC

alpha :  19 º (c=10, H2O)

Water solubility:   SOLUBLE

3: Quality Standard

Test Item

Specification

Appearance

White crystal or white crystalline powder

Assay

98.50-102%

Identification

Positive

Melting point

170-176℃

Specific Rotation

+18.0-20.0

Appearance of solution

Clear, colourless

Loss on drying

≦0.50%

Residue on ignition

≦0.10%

Sulphate(SO4)

≦1ppm

Arsenic

≦1ppm

Ammonium Salts(NH4)

≦200ppm

Heavy metals

≦10ppm

Lead

≦3ppm

Cadmium

≦1ppm

Mercury

≦0.1ppm

Total plate count

≦1000cfu/g

Yeast & Mold

≦100cfu/g

E-coli

Negative/25g

Salmonelle

Negative/375g

Staphylococcus aureus

Negative/25g

Collforms

Negative/25g

 

Packing: outside: carton packing; inside: two layers pastic bags; each carton is 25kg(net weight) .

Storage Condition: stored under normal temperature, sealed and keep away from open fire and heat source.

Usage: 1: To be used produce the drug that protect liver:  glucurolactone tablets;

      2: Adding into energy drinks.

Transport Information:

DOT (US): Not dangerous goods

IMDG: Not dangerous goods

IATA: Not dangerous goods