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Phosphates and phosphorus salts

Zinc phosphate

Also known as Trizinc diphosphate, Delaphos, Trizinc phosphate

CAS 7779-90-0Formula O8P2Zn3Molar mass 386.11 g/molEC 231-944-3
GHS signal word: Warning. Pictograms: Hazardous to the environment 99 suppliers listed
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Zinc phosphate chemical structure, O8P2Zn3, CAS 7779-90-0
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Liquid
Melting point
900 °C
Density
4 @25 °C
HS code
283529
Category
Phosphates and phosphorus salts
Illustrative photo, a closed 1000 litre IBC tote in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Zinc phosphate?

Plain description, key identifiers and synonyms

Zinc phosphate is a chemical substance with the molecular formula O8P2Zn3 and a molar mass of 386.11 g/mol. Its CAS registry number is 7779-90-0. The IUPAC name is trizinc diphosphate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
trizinc diphosphate
CAS number
7779-90-0 CAS number cross-checkedOther or deprecated CAS: 13847-22-8, 14332-60-6
EC numbers
231-944-3, 237-583-8, 238-280-3
Molecular formula
O8P2Zn3
UNII
1E2MCT2M62
MDL number
MFCD00036282
InChIKey
LRXTYHSAJDENHV-UHFFFAOYSA-H
InChI
InChI=1S/2H3O4P.3Zn/c2*1-5(2,3)4;;;/h2*(H3,1,2,3,4);;;/q;;3*+2/p-6
SMILES (canonical and isomeric)
[O-]P(=O)([O-])[O-].[O-]P(=O)([O-])[O-].[Zn+2].[Zn+2].[Zn+2]

Synonyms

  • Trizinc diphosphate
  • Delaphos
  • Trizinc phosphate
  • Tribasic zinc phosphate
  • Delaphos 2M
  • Bonderite 40
  • Granodine 80
  • Microphos 90
  • Granodine 16NC
  • Bonderite 181
  • Bonderite 880
  • Heucophos ZP 10
  • Phosphinox PZ 06
  • Sicor ZNP/M
  • Sicor ZNP/S
  • Virchem 931
  • Trizinc bis(orthophosphate)
  • Fleck's Extraordinary
  • LF Bowsei PW 2
  • Neutral zinc phosphate
  • Weather coat 1000
  • ZP-DL
  • ZP-SB
  • Fleck's Extraordinary Cement
  • LF-PW 2
Show all 35 synonyms
  • Phosphoric acid, zinc salt (2:3)
  • C.I. 77964
  • trizinc(2+) ion diphosphate
  • Phosphoric acid, zinc salt
  • trizinc, diphosphate
  • Phosphoric acid zinc salt
  • Man-Gill 51339
  • Man-Gill 51355
  • O8P2Zn3
  • Phosphoric acid, zinc salt (1:?)

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Physical form
Liquidexp.
Melting point
900 °Cexp.
Density
4 @25 °Cexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
386.11 g/molcalc.
Exact mass
381.6943 Dacalc.
LogP (octanol/water)
-5.66calc.
Topological polar surface area
172.5 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
8calc.
Rotatable bonds
0calc.
Heavy atoms
13calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
5calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (3)
  • P273Avoid release to the environment.
  • P391Collect spillage.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Zinc phosphate suppliers

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All 99 suppliers
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Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

99 suppliers in 23 countries

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Zinc phosphate price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Industrial uses: Stabilizing agent, Anti-stain agent, Soil amendments (fertilizers), Filler, Corrosion inhibitor, Surface modifier, Dye.

Consumer uses: Corrosion inhibitor, Filler, Pigment, Dye, Other, Antioxidant, Plating agent.

Industries and functions

Functional uses

  • Chemical reaction regulator
  • Corrosion inhibitor
  • Filler
  • Pigment
  • Processing aids not otherwise specified

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 030-011-00-6

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Zinc phosphate is traded under.

HS 2835.29Indicative HS code

Phosphates, other

World exports in 2024
$249M
+7.3% vs 2023, imports $274M
2019 to 2024
Top exporters
  1. Germany19.7%
  2. China17.7%
  3. France * partner reported14.8%
Top importers
  1. United States8.3%
  2. Germany6.3%
  3. Malaysia6.2%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Zinc phosphate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Zinc phosphate, based on the data on this page

What is Zinc phosphate?

Zinc phosphate is a chemical substance with the molecular formula O8P2Zn3 and a molar mass of 386.11 g/mol. Its CAS registry number is 7779-90-0. The IUPAC name is trizinc diphosphate.

What is the CAS number of Zinc phosphate?

The CAS registry number of Zinc phosphate is 7779-90-0. Other or deprecated CAS numbers: 13847-22-8, 14332-60-6.

What is the molecular formula and weight of Zinc phosphate?

The molecular formula of Zinc phosphate is O8P2Zn3 and its molar mass is 386.11 g/mol.

What is Zinc phosphate used for?

Industrial uses: Stabilizing agent, Anti-stain agent, Soil amendments (fertilizers), Filler, Corrosion inhibitor, Surface modifier, Dye. Consumer uses: Corrosion inhibitor, Filler, Pigment, Dye, Other, Antioxidant, Plating agent.

Is Zinc phosphate hazardous?

Zinc phosphate carries the GHS signal word "Warning". Main hazards: very toxic to aquatic life, very toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Zinc phosphate?

Zinc phosphate is usually classified under HS code 283529 (Phosphates, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Zinc phosphate?

CompoundList lists 99 suppliers of Zinc phosphate in India, United States, China, United Kingdom and 19 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Zinc phosphate in India?

28 suppliers in India list Zinc phosphate on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Zinc phosphate?

Suppliers quote Zinc phosphate on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Zinc phosphate

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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