Melamine Cyanurate (MCA), CAS Number: 37640-57-6
Melamine Cyanurate (MCA) is a nitrogen-based flame retardant formed through the combination of melamine and cyanuric acid in a 1:1 molar ratio.
Product Chemical Properties
Product Name: Melamine Cyanurate
Common Name: MCA
CAS Number: 37640-57-6
Molecular Formula: C6H9N9O3
Molecular Weight: 255.19 g/mol
Chemical Composition: Melamine and cyanuric acid (1:1)Physical appearance: fine, white, crystalline powder, nontoxic, odourless ; in dissolvable in water and most organic solvents.

Product Technical Specification
(The above information is just for reference, customers shall adjust the formulations according to actual requirements.)
MCA%: ≥99.5
Residue cyanuric acid%: ≤0.2
Residue melamine%: ≤0.3
Whiteness: ≥96
Dry Weight Loss%: ≤0.2
PH value: 5-7
Specific gravityg/cm3: 1.7
Bulk densityg/cm3: 0.3-0.4
Water solubilityg/100ml water: 0.002(20℃)
Particle size:
MCA: D50 -2µm; D98 -8µm
MC15: D50 -2.5µm; D98 -15µm
MC25: D50 -4µm; D98 -25µm
MC50: D50-4µm; D98-50µm
Applications of Melamine Cyanurate (MCA)
Melamine Cyanurate is a halogen-free flame retardant for polyamide. Melamine Cyanurate has established itself as the flame retardant to achieve UL 94 V-0 especially for polyamide 6 and 6,6. Addition of MCA gives PA6(66) good mechanical and electrical properties. Being halogen free also results in significant advantages in terms of fire safety, i.e. lower smoke density, lower smoke-toxicity and less corrosion.
1. Use in the nylon:
Base Material PA6 88-90% PA66 90-92%
Flame retardant MCA 12-10% MCA 8-10%
2.Extrusion data
Material temperature ℃
PA6: Sec1 235, Sec2 240, Sec3 240, Sec4 240, Sec5 240, Sec6 245, Sec7 245, Sec8 245, Sec9 245
PA66: Sec1 250, Sec2 260, Sec3 260, Sec4 260, Sec5 260, Sec6 260, Sec7 260, Sec8 265, Sec9 265
Note: Section 8 is vacuum space; Section 9 is the outlet.
Packaging
20 kg/bag
Production Capacity
3200MT/year.
Storage Requirements
Store in a cool, dry and well-ventilated area. Keep the packaging tightly sealed and protect the product from moisture and contamination.
Melamine Cyanurate (MCA) Bulk Supply from China
Hosea Chem supplies Melamine Cyanurate (MCA) for industrial flame-retardant and polymer applications. Contact Hosea Chem for product specifications, pricing, packaging details and bulk supply options from China.