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Zinc phosphate

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Zinc phosphate Basic information

Product Name:
Zinc phosphate
Synonyms:
  • PHOSPHORIC ACID ZINC SALT
  • ZINC PHOSPHATE TRIBASIC
  • ZINC PHOSPHATE (ORTHO)
  • ZINC PHOSPHATE
  • ZINC ORTHOPHOSPHATE
  • bonderite40
  • bonderite880
  • c.i.77964
CAS:
7779-90-0
MF:
O8P2Zn3
MW:
386.11
EINECS:
231-944-3
Product Categories:
  • Chemical Synthesis
  • Salts
  • Zinc Salts
  • ZincMetal and Ceramic Science
  • Inorganics
  • Alphabetic
  • Analytical Standards
  • Z
  • Catalysis and Inorganic Chemistry
  • INORGANIC & ORGANIC CHEMICALS
Mol File:
7779-90-0.mol
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Zinc phosphate Chemical Properties

Melting point:
900°C
Density 
3.99
solubility 
H2O: insoluble(lit.)
form 
Powder
color 
White
Odor
Odorless
Water Solubility 
Insoluble in water
Merck 
14,10151
Solubility Product Constant (Ksp)
pKsp: 32.04
CAS DataBase Reference
7779-90-0(CAS DataBase Reference)
EPA Substance Registry System
Trizinc phosphate (7779-90-0)
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Safety Information

Hazard Codes 
N
Risk Statements 
50/53
Safety Statements 
60-61
RIDADR 
UN 3077 9/PG 3
WGK Germany 
2
RTECS 
TD0590000
TSCA 
Yes
HazardClass 
9
PackingGroup 
III
Toxicity
LD50 intraperitoneal in mouse: 552mg/kg

MSDS

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Zinc phosphate Usage And Synthesis

Chemical Properties

White powder.Soluble in acids and ammonium hydroxide; insoluble in water.

Uses

Dental cements; phosphors; conversion coating of steel, aluminum, and other metal surfaces.

Uses

Zinc phosphate (ZP), barium metaborate, and strontium chromate pigments are also common ingredients in corrosion-inhibiting coatings. Thin wash-inhibiting primers are often formulated with chromate or phosphate pigments that are introduced in a synthetic polymeric binder such as a vinyl chloride copolymer. The variety of inorganic corrosion-inhibiting pigments includes also lead carbonate, strontium chromate, zinc oxide, and ZP.
Zinc phosphate (ZP) is the most commercially successful non-toxic inhibitive pigment used in paint formulations. Furthermore, the use of phosphates does not represent an excessive cost, and their application is even easier than other proposed alternatives for chromate pigments. This is the anticorrosive pigment most frequently used in paints. The massive use of nontoxic and environmentally acceptable ZPs developed an immense pressure for regulations that prohibited the use of red lead and chromated anticorrosion pigments. Experimental results suggest that ZP and all phosphate-based pigments (zinc-aluminum polyphosphate, ZP modified with organic corrosion inhibitor, etc.) exhibit improved anticorrosion efficiency when their concentration is increased.

Safety Profile

Moderately toxic by intraperitoneal route. When heated to decomposition it emits acrid smoke and irritating fumes.

Zinc phosphate Preparation Products And Raw materials

Preparation Products

Raw materials

Zinc phosphateSupplier

Shanghai Dingfen Chemical Technology Co., Ltd. Gold
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