5,5-Dimethylhydantoin

5,5-二甲基海因

Also known as: 5,5-Dimethylimidazolidine-2,4-dione, 5,5-Dimethyl-2,4-imidazolidinedione, 5,5-Dimethylhydantoin, DMH, Dantoin DMH, NSC 8652

CAS No.
77-71-4
Jingsj CID
J-21570-5
Molecular Formula
C5H8N2O2
Chinese Name
5,5-二甲基海因
Molecular Weight
128.129 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point175-180ºC
Density1.1±0.1 g/cm3
Flash Point193ºC

Frequently Asked Questions

What is the CAS number of 5,5-Dimethylhydantoin?

77-71-4

What are the molecular formula and molecular weight of 5,5-Dimethylhydantoin?

C5H8N2O2, molecular weight 128.129 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026