1,3-Dichloro-5,5-dimethylhydantoin

• CAS: 118-52-5
• Catalog Number: ACM118525
• Category: Other Products
• Molecular Weight: 197.02
• Molecular Formula: C5H6Cl2N2O2
• Synonyms: 1,3-dichloro-5,5-dimethylimidazolidine-2,4-dione;2,4-Imidazolidinedione, 1,3-dichloro-5,5-dimethyl-;1,3-dichloro-5,5-dimethyl-2,4-imidazolidinedione DCDMH
• Melting Point: 131-136ºC
• Flash Point: 171ºC
• Density: 1.58 g/cm³
• Appearance: White to off-white crystalline powder
• EC Number: 204-258-7
• Hazard Codes: C
• HS Code: 29332100
• LogP: 1.21260
• MDL Number: MFCD00003190
• PSA: 4.62
• Refractive Index: 1.572
• RIDADR: UN 1479
• Stability: Stable, but a strong oxidizer – contact with combustible material may lead to fire. Incompatible with reducing agents, acids, strong bases. Moisture sensitive.
• Storage Conditions: Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture.
• Vapor Pressure: 0.153mmHg at 25°C
• WGK Germany: 3

Synthetic Use

Upstream Synthesis Route 1

• 77-71-4

• 118-52-5

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

Upstream Synthesis Route 2

• 79662-84-3

• 118-52-5

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

Downstream Synthesis Route 1

• 118-52-5
• 77-71-4

• 77-48-5

Reference: [1] Patent: US2868787, 1956, ,

Downstream Synthesis Route 2

• 56-23-5
• 118-52-5
• 60-80-0
• 94-36-0

• 43068-92-4

Reference: [1]Bulletin des Societes Chimiques Belges,1952,vol. 61,p. 331,344

Downstream Synthesis Route 3

• 118-52-5
• 60-80-0

• 43068-92-4

Reference: [1]Bulletin des Societes Chimiques Belges,1952,vol. 61,p. 331,344

Downstream Synthesis Route 4

• 118-52-5
• 93-04-9

• 13101-92-3

Reference: [1]Anales des la Asociacion Quimica Argentina,1952,vol. 40,p. 61,71

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