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Melamine

Product Name
Melamine
CAS No.
108-78-1
Chemical Name
Melamine
Synonyms
Aero;Cymel;Teoharn;MELANIN;Melamin;Theoharn;Melamine;NSC 2130;pluragard;hicophorpr
CBNumber
CB6324023
Molecular Formula
C3H6N6
Formula Weight
126.12
MOL File
108-78-1.mol
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Melamine Property

Melting point:
>300 °C (lit.)
Boiling point:
224.22°C (rough estimate)
Density 
1.573
vapor pressure 
66.65 hPa (315 °C)
refractive index 
1.872
Flash point:
>110°C
storage temp. 
−20°C
solubility 
water: soluble25mg/mL, clear to slightly hazy, colorless
pka
5(at 25℃)
form 
Fine Crystalline Powder
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
CAS DataBase Reference
108-78-1(CAS DataBase Reference)
IARC
2B (Vol. Sup 7, 73, 119) 2019
NIST Chemistry Reference
1,3,5-Triazine-2,4,6-triamine(108-78-1)
EPA Substance Registry System
Melamine (108-78-1)
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Safety

Hazard Codes 
Xi,Xn
Risk Statements 
43-44-20/21
Safety Statements 
36/37
RIDADR 
3263
WGK Germany 
1
RTECS 
OS0700000
Autoignition Temperature
>600 °C
TSCA 
Yes
PackingGroup 
III
HS Code 
29336980
Hazardous Substances Data
108-78-1(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 3161 mg/kg LD50 dermal Rabbit > 1000 mg/kg
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.08614
Product name
2,4,6-Triamino-1,3,5-triazine
Purity
for synthesis
Packaging
100 g
Price
$26.27
Updated
2021/03/22
Sigma-Aldrich
Product number
52549
Product name
Melamine
Purity
analytical standard
Packaging
250mg
Price
$30.1
Updated
2021/03/22
Sigma-Aldrich
Product number
8.08614
Product name
2,4,6-Triamino-1,3,5-triazine
Purity
for synthesis
Packaging
1 kg
Price
$44.86
Updated
2021/03/22
Sigma-Aldrich
Product number
1379183
Product name
Melamine
Purity
United States Pharmacopeia (USP) Reference Standard
Packaging
250mg
Price
$366
Updated
2021/03/22
TCI Chemical
Product number
T0337
Product name
Melamine Monomer
Purity
>98.0%(HPLC)(T)
Packaging
25g
Price
$15
Updated
2021/03/22
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Melamine Chemical Properties,Usage,Production

Description

Melamine-formaldehyde resin (MFR) is an active ingredient of strong (reinforced) plasters. Sensitization was reported in a plaster-room technician, who applied resin-reinforced pIaster casts, and in dental technicians. MFR was contained in a strong dental pIaster used for mouldings. Used as a textile finish res in, it was also found to be an allergen in a women who replaced clothes in a store. MFR also releases formaldehyde, which may be the sensitizer.

Chemical Properties

White Solid

Chemical Properties

Melamine is a white crystalline solid

Uses

A compound that forms synthetic resins with formaldehyde

Uses

Forms synthetic resins with formaldehyde.

Uses

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.

Production Methods

The compound now is synthesized from urea.

Definition

ChEBI: A trimer of cyanamide, with a 1,3,5-triazine skeleton.

Definition

A white solid organic compound whose molecules consist of a sixmembered heterocyclic ring of alternate carbon and nitrogen atoms with three amino groups attached to the carbons. Condensation polymerization with methanal or other aldehydes produces melamine resins, which are important thermosetting plastics.

Definition

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.

Production Methods

Melamine is prepared almost exclusively by the urea process—the action of ammonia on urea. It is produced worldwide.

General Description

Colorless to white monoclinic crystals or prisms or white powder. Sublimes when gently heated.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

Melamine is incompatible with strong oxidizing agents and strong acids . Neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides.

Hazard

Toxic by ingestion, skin, and eye irritant. Questionable carcinogen.

Fire Hazard

Literature sources indicate that Melamine is nonflammable.

Contact allergens

Melamine-formaldehyde resin (MFR) results from condensation of melamine and formaldehyde. It is anactive ingredient of strong (reinforced) plasters, such as industrial or some dental plasters used for molding.It is also used as a textile finish resin. MFR acts as an allergen generally because of formaldehyde releasing (see Chap. 40)

Safety Profile

Moderately toxic by ingestion and intraperitoneal routes. An eye, skin, and mucous membrane irritant. Causes dermatitis in humans. Questionable carcinogen with experimental carcinogenic and tumorigenic data. Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx and CN-.

Potential Exposure

Manufactured from urea, melamine is used in the manufacture of plastics, melamineformaldehyde resins; rubber, synthetic textiles; laminates, adhesives, and molding compound

Carcinogenicity

A bioassay of melamine was conducted in rats and mice by NTP. Male F344 rats and B6C3F1 mice were administered melamine in their diets at concentrations of 2250 or 4500 ppm daily for 103 weeks.Female rats were fed 4500 or 9000 ppm melamine. At the end of 111 weeks, surviving animals were killed and examined.

Purification Methods

Crystallise Melamine from water or dilute aqueous NaOH. It sublimes at ~240o on prolonged heating. [Beilstein 26 I 74, 26 II 132, 26 III/IV 1253.]

Incompatibilities

Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. Melamine neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents such as hydrides, nitrides, alkali metals, and sulfides.

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Melamine Suppliers

J & K SCIENTIFIC LTD.
Tel
010-82848833- ;010-82848833-
Fax
86-10-82849933
Email
jkinfo@jkchemical.com;market6@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Shanghai Aladdin Bio-Chem Technology Co.,LTD
Tel
021-20337333-801
Fax
021-50323701
Email
market@aladdin-e.com
Country
China
ProdList
24980
Advantage
65
Guangzhou Haoyu International Trade Co., Ltd.
Tel
020-89850646-
Fax
020-89850646
Email
278220866@qq.com;
Country
China
ProdList
20
Advantage
58
Guangzhou Helong Trading Co., Ltd.
Tel
020-82296652
Email
331033673@qq.com
Country
China
ProdList
19
Advantage
58
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
21-61259100-
Fax
86-21-61259102
Email
sh@meryer.com
Country
China
ProdList
40264
Advantage
62
future industrial shanghai co., ltd
Tel
400-0066-400;021-60496031
Fax
021-55660885
Email
sales@jonln.com;sales@jonln.com
Country
China
ProdList
2000
Advantage
65
Alfa Aesar
Tel
400-610-6006; 021-67582000
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30159
Advantage
84
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386 / 800-988-0390
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24555
Advantage
81
Beijing dtftchem Technology Co., Ltd.
Tel
010-60275820-
Fax
010-60270825
Email
elainezt@sina.com
Country
China
ProdList
1401
Advantage
62
BeiJing Hwrk Chemicals Limted
Tel
0757-86329057-
Fax
0757-86311057
Email
sales.gd@hwrkchemical.com
Country
China
ProdList
17295
Advantage
55
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View Lastest Price from Melamine manufacturers

Hebei Crovell Biotech Co Ltd
Product
Melamine 108-78-1
Price
US $1.90/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 ton
Release date
2021-07-21
Hebei Crovell Biotech Co Ltd
Product
Melamine 108-78-1
Price
US $11.00/Kg/Bag
Min. Order
1g
Purity
99%
Supply Ability
10000kg
Release date
2021-07-05
Shaanxi Dideu Medichem Co. Ltd
Product
Melamine 108-78-1
Price
US $0.00-0.00/KG
Min. Order
1g
Purity
99%
Supply Ability
2000tons
Release date
2019-12-31

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