Lactose Monohydrate CAS5989-81-1

Short Description:

 

 


  • Min.Order Quantity: Up to request
  • Port: Main Port of China
  • Payment Terms: L/C,D/A,D/P,T/T,WU,PAYPAL,TRADE ASSURANCE
  • Packing: Drum, IBC, BAG or As Per Request
  • CAS: 5989-81-1
  • Appearance: White crystalline
  • Packing: 25kg/Bag
  • Product Detail

    Product Tags

    Test items

    Standard Code

    Results

    Identification A

    The infrared absorption spctrum of the sample is concordan with that of the standard

    Complies

    Identification B

    The principal spot obtained from the test solution cooresponds in appearance and RF value to that obtained from standard solution A. The test is not valid unless the chromatogram obtained with standard solution B shows four clearly discernible spots,disrefarding any spots at the origin.

    Complies

    Residue on ignition

    NMT 0.1%

    0.03%

    Heavy metals

    NMT 5ug per g.

    Complies

    Clarity and color of solution

    The solution(1g in 10ml of boiling water isclear and nearly colorless.

    Determine the absorbance of this solution at a wavelength of 400nm.The absorbance divided by the path lengh,in cm,is NMT 0.04

     

    Complies

     

    0.01

    Optical rotation

    +54.4°-55.9°,calculate on the anhydrous basis,determined at20

    +55.1°

    Acidity or alkalinity

    Add 0.3ml of phenolphthalein TS:the solution is colorless,and not more than 0.4ml of 0.1N sodium hydroxide is required to produce a pink or red color

    Complies

    Loss on drying

    Dry a sample at 80°for 2 h.NMT 0.5%

    0.05%

    Water

    4.5%-5.5%

    5.0%

    Protein and light-absorbing impurities

    210-220nm: NMT 0.25

    270-300nm:NMT 0.07

    0.03

    0.01

    TAMC(cfu/g)

    100

     10

    Mold and Yeasts(cfu/g)

    50

    10

    Escherichia Coli.(/10g)

    absence

    Not detected

    Conclusion

    The quality of lactose product has the achieved standard of USP40 after examination standard examination,and consequently meet the provisio.

     

     


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