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Glucose Anhydrous or Dextrose Anhydrous
CAS Number: 50-99-7
Molecular Formula: C6H12O6
Molecular Weight: 180.16
Glucose Anhydrous or Dextrose Anhydrous
Please check the link of Dextrose for USP NF Grade.
Glucose BP Ph Eur Grade Specifications:
Anhydrous Glucose
C6H12O6 -- 180.2 -- 50-99-7
DEFINITION
D-Glucopyranose.
It is derived from starch.
Content: 97.5 per cent to 102.0 per cent (anhydrous substance).
CHARACTERS
Appearance: White or almost white, crystalline powder.
Solubility: Freely soluble in water, very slightly soluble in ethanol (96 per cent).
IDENTIFICATION
First identification: A, B, E
Second identification: C, D
A. Specific optical rotation: + 52.5 to + 53.3 (anhydrous substance).
B. Examine the chromatograms obtained in the assay.
C. Thin-layer chromatography.
D. Dissolve 0.1 g in 10 mL of water. Add 3 mL of cupri-tartaric solution and heat. A red precipitate is formed.
E. Water (see Tests).
TESTS
Appearance of solution: The solution is clear and not more intensely coloured than reference solution. Dissolve 10.0 g in 15 mL of water, heating on a water-bath.
Conductivity: Maximum 20 µS⋅cm-1.
Dissolve 20.0 g in carbon dioxide-free water prepared from distilled water and dilute to 100.0 mL with the same solvent. Measure the conductivity of the solution while gently stirring with a magnetic stirrer.
Related substances: To pass the test by liquid chromatography.
Dextrin: To 1 g of the finely powdered substance to be examined add 20 mL of ethanol (96 per cent) and heat under a reflux condenser. The substance dissolves completely.
Soluble starch, sulfite: Maximum 15 ppm.
Water: Maximum 1.0 per cent, determined on 0.50 g.
Pyrogens: If intended for use in the manufacture of large-volume parental preparations without a further appropriate procedure for the removal of pyrogens, the competent authority may require that it complies with the test for pyrogens. Inject per kilogram of the rabbit′s mass 10 mL of a solution in water for injections containing 50 mg of the substance to be examined per milliliter.
D-Glucose, Anhydrous Analytical Reagent Grade Specifications
Dextrose, Anhydrous:
CH2OH(CHOH)4CHO -- Formula Weight 180.16
CAS Number 50-99-7
REQUIREMENTS
Specific rotation: +52.5 to +53.0
MAXIMUM ALLOWABLE
Insoluble matter 0.005%
Loss on drying at 105C: 0.2%
Residue after ignition: 0.02%
Titrable acid: 0.002 meq/g.
Chloride (Cl): 0.01%
Sulfate and sulfite (as SO4): 0.005%
Starch: Passes test.
Heavy metals (as Pb): 5 ppm.
Iron (Fe): 5 ppm.
Please visit SDS Safety Data Sheet of Glucose Anhydrous or Dextrose Anhydrous Suppliers.
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