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Mannitol

  • CAS No.: 69-65-8
  • Purity: 98% min.
  • Min quantity: 500 Kilograms
  • Weight: 182.17176
  • Place of Orign: Wuhan,Hubei,China
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Item specifics

  • Product Name.:Mannitol
  • CAS No: 69-65-8
  • Weight: 182.17176
  • Formula: C6H14O6
  • Melting Point: 167-170 ºC
  • Boiling Point: 295 ºC
  • Density: 1.52

Details

Mannitol
CAS: 69-65-8
MF: C6H14O6
MW: 182.17
This product is D-mannitol . Calculated on dry goods , including C6H14O6 should be 98.0 ~ 102.0% .
Properties:white crystalline powder ; odorless, sweet .
This product is soluble in water, in ethanol or ether almost insoluble.
Melting point melting point of this product ( Appendix Ⅵ C) to 166 ~ 170 ℃.

Identification:

(1) To about 0.5g, test tube , add acetyl chloride 3ml, slowly dropping pyridine 0.5ml, with
Dropwise with shaking , the reaction is completed once , pay attention to the solution was transferred to another tube , with ice -cooling, the precipitated crystals were filtered ,
After washing with ether 10ml , removal test tube, add ether 15ml, set a warm water bath heated to dissolve , hot dip take the ether
Liquid vaporized ether to give white crystals ( recrystallized again when necessary, 1 ) , after drying , determined by law ( Appendix Ⅵ C),
A melting point of 120 ~ 125 ℃.
(2) to take this product a saturated aqueous solution 1ml, add ferric chloride solution and sodium hydroxide solution each 0.5ml, which generates
Brown precipitate , shaking does not disappear ; dropping an excess of sodium hydroxide solution , which dissolved into a brown solution .
(3) The infrared absorption spectrum should control of the spectrum ( spectral set 84 Figure ) consistent .

Category:dehydration, diuretics.
Storage:Sealed.


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Mannitol

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