5,5-Dimethylhydantoin

• CAS: 77-71-4
• Catalog Number: ACM77714
• Category: Other Products
• Molecular Weight: 128.13
• Molecular Formula: C5H8N2O2
• Synonyms: 5,5-dimethylimidazolidine-2,4-dione
• IUPAC Name: 5,5-dimethylimidazolidine-2,4-dione
• Canonical SMILES: CC1(C(=O)NC(=O)N1)C
• InChI Key: YIROYDNZEPTFOL-UHFFFAOYSA-N
• Melting Point: 175-180°C
• Flash Point: 193°C
• Density: 1.142 g/cm³
• Appearance: White to off-white crystals or crystalline powder
• Assay: 0.99
• EC Number: 201-051-3
• Exact Mass: 128.05900
• Hazard Statements: Xi
• H-Bond Acceptor: 2
• H-Bond Donor: 2
• Packaging: 1 kg
• Refractive Index: 1.449
• Safety Description: S24/25
• Stability: Stable under normal temperatures and pressures.
• Storage Conditions: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Synthetic Use

Upstream Synthesis Route 1

• 288-32-4
• 77-48-5

• 2302-25-2
• 77-71-4

Reference: [1] Advanced Synthesis and Catalysis, 2013, vol. 355, # 2-3, p. 499 - 507

Upstream Synthesis Route 2

• 16252-90-7

• 77-71-4

Reference: [1]Slotta; Behnisch; Szyszka
[Chemische Berichte, 1934, vol. 67, p. 1529,1533]

Downstream Synthesis Route 1

• 77-71-4

• 118-52-5

Reference: [1] Patent: CN108484506, 2018, A, . Location in patent: Paragraph 0016; 0018-0036

Downstream Synthesis Route 2

• 77-71-4

• 77-48-5

Reference: [1] Patent: US6641828, 2003, B1,

Downstream Synthesis Route 3

• 186581-53-3
• 77-71-4

• 6345-19-3

Reference: [1]Journal fur praktische Chemie (Leipzig 1954),1926,vol. <2>113,p. 263 Anm.4

Downstream Synthesis Route 4

• 50-00-0
• 77-71-4

• 116-25-6

Reference: [1]Current Patent Assignee: G HOLDINGS INC - US2762708, 1951, A

* For details of the synthesis route, please refer to the original source to ensure accuracy.