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D (-) MANNITOL AR

Internal standard in the GLC analysis of glycolipids for
bacteriology and boric acid determination.
Mannite

COAs

Packings

250 g (00250)

500 g (00500)

1PW1200500 1PW1200750
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Article No. 04516 Grade AR
Purity 99% CAS No. 69-65-8
Molecular Formula C6H14O6 Molecular Weight 182.17
H.S. Code 2905.4300 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour Odorless pH value 5 - 6.5 at 182 g/l at 25 °C
Melting point/ Freezing point [°C] 167 - 170 °C Solubility in water [% weight] 182 g/l at 20 °C - completely soluble

Specifications

Appearance White crystalline powder Assay Min 99%
Melting point 165 - 169° C Specific optical rotation ([α]20/D) +23° to +25°
Loss on drying (at 105°C) Max 0.05% Insoluble matter Max 0.01%
Acidity (as CH3COOH) Max 0.005% Sulphated ash Max 0.02%
Chloride (Cl) Max 0.001% Sulphate (SO4) Max 0.005%
Arsenic (As) Max 0.0001% Calcium (Ca) Max 0.001%
Copper (Cu) Max 0.0005% Iron (Fe) Max 0.0005%
Lead (Pb) Max 0.0005% Reducing sugars (as glucose) Max 0.05%
Substance darkened by H2SO4 Passes test D (-)-Sorbite (GC) Max 1%
Revision Date: 19-Jun-2018

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