PASP/Polyaspartic Acid CAS 181828-06-8

Min.Order: 1
Product origin: Weifang, Shandong, China
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US$ 1100 ~ 1200

Description
PASP/Polyaspartic Acid CAS 181828-06-8



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 Specifications

Polyaspartic Acid Sodium Salt Solid/Powder



Polyaspartic Acid Sodium Salt Liquid/Solution


Specification

ItemStandardTest Results
IdentificationA.H-NMR:Comply with the structureComplies
 B.LC-MS:Comply with the structureComplies
 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
Crystallinitymeets 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 substancesUnspecified impurities: for each impurity≤0.10%<0.10%
 Total Impurity≤0.5%0.18%
Purity≥99.0%99.7%
Assay99.0%~101.0% (anhydrous substance).99.8%
Microbiological Analysis
Total plate count≤1000cfu/gComplies
Yeast and Moulds≤100cfu/gComplies
E. Coli.AbsentNegative
SalmonellaAbsentNegative
S.aureusAbsentNegative
StoragePreserve in well-closed, light-resistant and airtight containers.Complies

Packing
In 25kgs or 250kgs drum


Contact Detalis:
Vanessa Zhao

Senior Business Manager
SHANDONG YURUN CHEMICAL CO.,LTD
Add: Yurun Building,Weifang City,Shandong Province,P.R.China.
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