Shandong Yurun Chemical Co., Ltd.

Polyaspartic Acid

• Category :

  Food and Feed additives

• Synonyms :

  L-Aspartic acid, homopolymer;L-Aspartic acid homopolymer;Poly-L-aspartic acid;

• CAS NO :

  25608-40-6

• EC NO :

• Molecular Formula :

  (C₄H₇NO₄)x

• Molecular Weight :

  133.102

• Main Specifications :

  40% or 90%

• InChI :

  InChI=1/C4H7NO4/c5-2(4(8)9)1-3(6)7/h2H,1,5H2,(H,6,7)(H,8,9)/t2-/m0/s1

• Packing :

  25kg Bag,1000kg Bag

• Product description :

  Product Description

   

  

  

  
  
   

  Product Name	Poly-L-aspartic acid 99%
  CAS No.	25608-40-6
  Purity	99%
  Appearance	Powder/Liquid
  Molecular Formula	C4H7NO4
  EINECS No.	/

  
  PASP is a water soluble polymer, has good scale inhibition on calcium carbonate, calcium sulfate, barium sulfate, calcium phosphate, etc. Its scale inhibition rate for calcium carbonate is 100%. Moreover, PASP has dispersion and corrosion inhibition properties to metal equipment.
  PASP is an alternative of phosphor-containing Water Treatment Chemicals, avoiding water system eutrophication and second pollution. 
   

  Product Specification

   

  
  Polyaspartic Acid Sodium Salt Solid/Powder
  
  
  
  Polyaspartic Acid Sodium Salt Liquid/Solution
  
  
  Specification
  
  

  Item	Standard		Test Results
  Identification	A.H-NMR:Comply with the structure		Complies
  	B.LC-MS:Comply with the structure		Complies
  	C.The IR spectrum of sample should be identical with that of reference standard;		Complies
  	D.HPLC-ESI-MS The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.		Complies
  Crystallinity	meets the requirements.		Complies
  Loss on drying	≤2.0%		0.19%
  Heavy metals	≤10 ppm		<10ppm
  Water	≤1.0%		0.1%
  Sulphated ash	≤0.5%, determined on 1.0 g.		0.009%
  Related substances	Unspecified impurities: for each impurity	≤0.10%	<0.10%
  	Total Impurity	≤0.5%	0.18%
  Purity	≥99.0%		99.7%
  Assay	99.0%~101.0% (anhydrous substance).		99.8%
  Microbiological Analysis
  Total plate count	≤1000cfu/g		Complies
  Yeast and Moulds	≤100cfu/g		Complies
  E. Coli.	Absent		Negative
  Salmonella	Absent		Negative
  S.aureus	Absent		Negative
  Storage	Preserve in well-closed, light-resistant and airtight containers.		Complies

   

  Packaging & Shipping

   

  In 25kgs or 250kgs drum
  
  

  

  

   

  Contact Detalis

   

  Vanessa Zhao
  Senior Business Manager
  SHANDONG YURUN CHEMICAL CO.,LTD

  vanessa.zhao@yurunchemical.com
  Add: Yurun Building,Weifang City,Shandong Province,P.R.China.

• Uses :

  Vegetables, Flowers, Fruit

• Molecular Structure :