5,5-Dimethylhydantoin CAS NO.77-71-4

Min.Order: 1 Metric Ton
Payment Terms: L/C,D/A,D/P,T/T,Other

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ProName: 5,5-Dimethylhydantoin
CasNo: 77-71-4
Molecular Formula: C5H8N2O2
Appearance: crystal
Application: It is an important raw material and in...
DeliveryTime: 2-3day
PackAge: 25KG/Cardboard bucket or as required
Port: shanghai or other
ProductionCapacity: 5 Metric Ton/Month
Purity: 98（%）
Storage: store in dry
Transportation: by sea or by air
LimitNum: 1 Metric Ton

Superiority

Melting point 174-177 °C(lit.)

Boiling point 237.54°C (rough estimate)

density 1.2864 (rough estimate)

refractive index 1.4730 (estimate)

Fp 193°C

solubility H2O: 0.1 g/mL hot, clear

pka pKa 8.1 (Uncertain)

form Crystalline Powder or Crystals

color White to off-white

Water Solubility soluble

BRN 2827

CAS DataBase Reference 77-71-4(CAS DataBase Reference)

NIST Chemistry Reference 2,4-Imidazolidinedione, 5,5-dimethyl-(77-71-4)

EPA Substance Registry System 2,4-Imidazolidinedione, 5,5-dimethyl-(77-71-4)

5,5-Dimethylhydantoin Usage And Synthesis

Chemical Properties white to off-white crystals or crystalline powder

Purification Methods Crystallise the hydantoin from EtOH and sublime it in vacuo. [Beilstein 24 III/IV 1097.]

5,5-Dimethylhydantoin Preparation Products And Raw materials

Preparation Products 1,3-Dibromo-5,5-dimethylhydantoin

Raw materials Ammonium carbonate-->Acetone cyanohydrin

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5,5-Dimethylhydantoin CAS NO.77-71-4

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