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Heterocyclic compounds

Melamine phosphate

Also known as 1,3,5-Triazine-2,4,6-triamine, phosphate, 1,3,5-Triazine-2,4,6-triamine, phosphate (1:?), Triazinetriaminephosphate

CAS 41583-09-9Formula C3H9N6O4PMolar mass 224.12 g/molEC 243-601-5
GHS signal word: Warning. Pictograms: Serious health hazard 29 suppliers listed
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Melamine phosphate chemical structure, C3H9N6O4P, CAS 41583-09-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
41583-09-9
Formula
C3H9N6O4P
Molar mass
224.12 g/mol
Physical form
Powder
HS code
293361
Category
Heterocyclic compounds
Illustrative photo, closed blue fibre drums on a pallet in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Melamine phosphate?

Plain description, key identifiers and synonyms

Melamine phosphate is a chemical substance with the molecular formula C3H9N6O4P and a molar mass of 224.12 g/mol. Its CAS registry number is 41583-09-9. The IUPAC name is phosphoric acid, 1,3,5-triazine-2,4,6-triamine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
phosphoric acid, 1,3,5-triazine-2,4,6-triamine
CAS number
41583-09-9 CAS number cross-checkedOther or deprecated CAS: 20208-95-1, 218768-84-4, 56386-64-2
EC numbers
243-601-5, 255-449-7, 260-493-5, 606-855-1
Molecular formula
C3H9N6O4P
UNII
DOS5Q2BU94
MDL number
MFCD00060248
InChIKey
XFZRQAZGUOTJCS-UHFFFAOYSA-N
InChI
InChI=1S/C3H6N6.H3O4P/c4-1-7-2(5)9-3(6)8-1;1-5(2,3)4/h(H6,4,5,6,7,8,9);(H3,1,2,3,4)
SMILES (canonical and isomeric)
C1(=NC(=NC(=N1)N)N)N.OP(=O)(O)O

Synonyms

  • 1,3,5-Triazine-2,4,6-triamine, phosphate
  • 1,3,5-Triazine-2,4,6-triamine, phosphate (1:?)
  • Triazinetriaminephosphate
  • melamine monophosphate
  • phosphoric acid, 1,3,5-triazine-2,4,6-triamine
  • 1,3,5-triazine-2,4,6-triamine phosphate
  • 1,3,5-Triazine-2,4,6-triamine, phosphate (1:1)
  • 1,3,5-Triazinane-2,4,6-triimine phosphate
  • 1,3,5-Triazine-2,4,6-triamine monophosphate
  • melamine-phosphate
  • hate
  • Melamine Polyphosp
  • Melamine, phosphate (1:1)
  • Di(1,3,5-triazine-2,4,6-triamine) phosphate
  • 1,3,5-Triazine-2,4,6-triamine, phosphate (2:1)
  • Phosphoric acid--1,3,5-triazine-2,4,6-triamine (1/1)

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
Powderexp.

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
224.12 g/molcalc.
Exact mass
224.0423 Dacalc.
LogP (octanol/water)
-2.31calc.
Topological polar surface area
194.5 Ųcalc.
Hydrogen bond donors
6calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
0calc.
Heavy atoms
14calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ncncn1

c1ncncn1

1 ring, 6 atoms, the 1,3,5-Triazine ring system.

1,908 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H351Suspected of causing cancer.
  • H361fSuspected of damaging fertility.
  • H373May cause damage to organs through prolonged or repeated exposure.
Precautionary statements (7)
  • P203Obtain, read and follow all safety instructions before use.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • P405Store locked up.
  • 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

Melamine phosphate suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 29 suppliers
29 of 29 offers

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

29 suppliers in 11 countries

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Melamine 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: Flame retardant.

Consumer uses: Flame retardant.

Functional uses

  • Flame retardant

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce, Regulatory flags: Added by a premanufacture notice

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2933.61Indicative HS code

Melamine

World exports in 2024
$730M
−8.0% vs 2023, imports $995M
2019 to 2024
Top exporters
  1. China70.1%
  2. Netherlands8.4%
  3. Qatar * partner reported6.9%
Top importers
  1. Germany10.9%
  2. India * partner reported9.8%
  3. Turkey8.1%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Melamine phosphate?

Melamine phosphate is a chemical substance with the molecular formula C3H9N6O4P and a molar mass of 224.12 g/mol. Its CAS registry number is 41583-09-9. The IUPAC name is phosphoric acid, 1,3,5-triazine-2,4,6-triamine.

What is the CAS number of Melamine phosphate?

The CAS registry number of Melamine phosphate is 41583-09-9. Other or deprecated CAS numbers: 20208-95-1, 218768-84-4, 56386-64-2.

What is the molecular formula and weight of Melamine phosphate?

The molecular formula of Melamine phosphate is C3H9N6O4P and its molar mass is 224.12 g/mol.

What is Melamine phosphate used for?

Industrial uses: Flame retardant. Consumer uses: Flame retardant.

Is Melamine phosphate hazardous?

Melamine phosphate carries the GHS signal word "Warning". Main hazards: suspected of causing cancer, suspected of damaging fertility, may cause damage to organs through prolonged or repeated exposure. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Melamine phosphate?

Melamine phosphate is usually classified under HS code 293361 (Melamine). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Melamine phosphate?

CompoundList lists 29 suppliers of Melamine phosphate in China, United States, Canada, Germany and 7 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Melamine phosphate?

Suppliers quote Melamine 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 Melamine 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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