Melamine Cyanurate (MCA), 37640‐57‐6


Product Name : Melamine Cyanurate (MCA)

Equivalent Name : Melapur MCA

Cas No. : 37640‐57‐6

Molecular Weight : 255.2

chemical structure

MCA Melamine cyanurate 37640-57-6 chemical structure baoxu chemical


Melamine Cyanurate is a halogen‐free flame retardant for polyamide, good electrical property and environmentally friendly, used in electrical & electronic applications (connectors, switches, housings, etc).

In unfilled compounds systems, it provides a UL94 V-0 rating, in glass fiber filled system, only a UL94 V-2 rating is achieved.


  •  Low smoke density & toxicity, less corrosion.
  • Offers good economics and mechanical properties

Typical Properties

Appearance white powder

Assay % 99.5 min

Ash %0.03 max

Water %0.1 max

PH 5‐7

Particle size

Name    Particle size

MCA01  0.05mm≤90%≤0.6mm

MCA15  average particle    11~14µm

MCA25  average particle    14~18µm

MCA50  MCA≥975%  average particle≥18µm, Excess acid≤03% Water content≤03%, pH value(10g/l)50~80


PA6 % 88‐90

MCA % 12‐10

PA66 % 90‐92

MCA % 8‐10

These properties are typical but do not constitute a specification either in part or as a whole. Specification data is available on request from sales, customer service or customer technical service.


Transportation classification: No regulated for transportation.

Packing: 20kg/bag; 600kg/pallet; 12mt/20’Fcl

20kg/bag; 500kg/carton; 10mt/20’Fcl


TDS / MSDS Download

MCA Melamine cyanurate 37640-57-6 tds baoxu chemical

MCA Melamine cyanurate 37640-57-6 msds baoxu chemical