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Melamine

Name: Melamine
SKU: 0

Basic Information

CAS No.: 108-78-1
Molecular Formula: C3H6N6
Molecular Weight: 126.12

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Product Details

Melamine is a trimer of cyanamide, with a 1,3,5-triazine skeleton. It has a role as a xenobiotic metabolite. It is functionally related to a cyanamide. It is a conjugate base of a melamine(1+).

Melamine: A white crystalline compound,C3N6H6. Melamine is a cycliccompound having a six-memberedring of alternating C and N atoms,with three NH2 groups. It can becopolymerized with methanal to givethermosetting melamine resins,which are used particularly for laminatedcoatings.

Chemical Properties

Property	Value
Melting point	>300 °C (lit.)
Boiling point	224.22°C (rough estimate)
bulk density	800kg/m3
density	1.573
vapor pressure	66.65 hPa (315 °C)
refractive index	1.872
Fp	>110°C
storage temp.	no restrictions.
solubility	water: soluble25mg/mL, clear to slightly hazy, colorless
form	Fine Crystalline Powder
pka	5(at 25℃)
color	White
PH	7-8 (32g/l, H2O, 20℃)
Water Solubility	3 g/L (20 ºC)
Merck	14,5811
BRN	124341
Stability:	Stable. Incompatible with strong acids, strong oxidizing agents. Nonflammable.
InChIKey	JDSHMPZPIAZGSV-UHFFFAOYSA-N
LogP	-1.22 at 20℃
CAS DataBase Reference	108-78-1(CAS DataBase Reference)
NIST Chemistry Reference	1,3,5-Triazine-2,4,6-triamine(108-78-1)
IARC	2B (Vol. Sup 7, 73, 119) 2019
EPA Substance Registry System	Melamine (108-78-1)

Safety Information

Property	Value
Hazard symbols	Xi, Xn
Hazard class codes	43-44-20/21
Safety descriptions	36/37
UN dangerous goods number	3263
WGK Germany	1
RTECS number	OS0700000
Autoignition temperature	>600 °C
TSCA	TSCA listed
Packing group	III
HS code	29336980
Storage class	11 - Combustible solids
Hazard class (category)	Carcinogenicity, Category 2 Reproductive toxicity, Category 2 Specific target organ toxicity — repeated exposure, Category 2
Hazardous substances data	108-78-1 (Hazardous Substances Data)
Toxicity	LD50 orally in Rabbit: 3161 mg/kg LD50 dermal Rabbit: >1000 mg/kg

Product Usage

It is used to make high-pressure laminating resins (e.g., decorative countertops), molded compounds (e.g., dinnerware), and surface coating resins (e.g., appliance finishes and automotive topcoats). Additional major products are textile and paper treatment resins. Miscellaneous uses include adhesive resins for gluing lumber, plywood, and flooring, and resins for leather tanning agents. Melamine, melamine cyanurate, other melamine salts, and guanidine compounds are currently the most used group of nitrogencontaining flame retardants. Melamine is used as a flame retardant additive for polypropylene and polyethylene. Melamine cyanurate is employed commercially as a flame retardant for polyamides and terephthalates.

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Melamine

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