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Glycylglycine

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  Post Date: Oct 21,2013
  Expiry Date: Oct 21,2014
  Detailed Description: Cas No. :556-50-3 Characteristics : Monoclinal or hexagonal white cystalline powder, odorless having a peculiar sweetness. It readily solves in water, slightly in ethanol, does not solve in acetone or ethyl ether.
Quality Standards : AJI92, etc.

Items Specifications
Appearance White crystalline powder
Assay (C4H8N2O3), %(on dried matters) 98.5~100.5
Transmittance, %( 0.4g /20mL water) ≥ 98.0
Loss on drying,% (4h, 105 ? ) ≤ 0.2
Heavy metals (as Pb),ppm ≤ 10
Chloride(as Cl),% ≤ 0.020
Sulphate (as SO4),% ≤ 0.020
Residue on ignition,% ≤ 0.1
pH( 5g /100mL water) 5.5~6.0
Iron (as Fe), ppm ≤ 20
Arsenic (as As2O3), ppm ≤ 1
Other amino acid No detd.


  CAS Registry Number:

556-50-3

  Synonyms: ;Glycylglycine, Free Base;gly-gly free base;H-Gly-Gly-OH;Glycyl-glycine,(Diglycine);Diglycine;Gly-Gly;N-Glycyl-Glycine;
  Molecular Formula: C4H8N2O3
  Molecular Weight: 132.12
  Molecular Structure: 556-50-3 Glycylglycine
  Safety Description: S24/25:;

  Company: zexing amino acid Co,.Ltd     [ China ]        
  Contact: Danae
  Tel: 86-0311-87315132
  Fax: 86-0311-87315125
  Email: Danxzx@gmail.com
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