Zinc phosphate

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;Inorganics;Zinc Salts;ZincMetal and Ceramic Science;Alphabetic;INORGANIC & ORGANIC CHEMICALS;Catalysis and Inorganic Chemistry;Analytical Standards;Z
Mol File:7779-90-0.mol
Zinc phosphate Structure
Zinc phosphate Chemical Properties
Melting point 900 °C (lit.)
density 4.0 g/mL (lit.)
vapor pressure 0Pa at 20℃
solubility H2O: insoluble(lit.)
form Powder
color White
OdorOdorless
Water Solubility Insoluble in water
Merck 14,10151
Solubility Product Constant (Ksp)pKsp: 32.04
CAS DataBase Reference7779-90-0(CAS DataBase Reference)
EPA Substance Registry SystemTrizinc phosphate (7779-90-0)
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
ToxicityLD50 intraperitoneal in mouse: 552mg/kg
MSDS Information
ProviderLanguage
Zinc phosphate English
SigmaAldrich English
ALFA English
Zinc phosphate Usage And Synthesis
Chemical PropertiesWhite powder.Soluble in acids and ammonium hydroxide; insoluble in water.
UsesDental cements; phosphors; conversion coating of steel, aluminum, and other metal surfaces.
UsesZinc 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 ProfileModerately toxic by intraperitoneal route. When heated to decomposition it emits acrid smoke and irritating fumes.
Properties and Applications

TEST ITEMS

SPECIFICATION

APPEARANCE

White Powder

ZINC CONTENT

45% min

HEAT RESISTANCE

600 °C min

DENSITY

4.00 g/cm 3

LIGHT FASTNESS

7~8

ACID RESISTANCE

4

ALKALI RESISTANCE

4

FASTNESS TO BLEEDING

5

OIL ABSORPTION

25-35 g/100g

pH VALUE

6-8

MOISTURE

1.5%max

RESIDUE ON SIEVE (45um) %

0.5% max

VOLATITE 105 °C

1.0% max

TINTING STRENGTH

100-105 %

Zinc phosphate Preparation Products And Raw materials
Raw materialsPhosphoric acid-->Zinc oxide-->Zinc sulphate
Preparation ProductsBenzaldehyde-->ZINC PHOSPHATE, MONOBASIC
Zinc phosphate(V) Calcium phosphate Creatine phosphate Zinc Dialkyl Dithio Phosphate(ZDDP) Trisodium phosphate triphosphate Sodium Phosphate Monobasic Monohydrate ZINC PYROPHOSPHATE Ammonium dihydrogen phosphate Zinc phosphate ZINC PHOSPHATE 1G [R] ZINC PHOSPHATE HYDRATE Ferric zinc phosphate phosphate ZINC Zinc phosphate metal primer,environmental-protection FERRIC PHOSPHATE Zinc phosphinate

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