Detail of "16079-88-2"

CAS Number:
16079-88-2
Name:
1-Bromo-3-chloro-5,5-dimethylhydantoin
Molecular Structure:
Formula:
C₅H₆BrClN₂O₂
Molecular Weight:
241.47
Synonyms:
1, 3-dibromo-5, 5-dimethyl hydantoin (DBDMH);2,4-Imidazolidinedione,1-bromo-3-chloro-5,- 5-dimethyl-;Hydantoin, 1-bromo-3-chloro-5,5-dimethyl-;N-Bromo-N-chloro-5,5-dimethylhydantoin;Halogene T 30;2,4-Imidazolidinedione, 1-bromo-3-chloro-5,5-dimethyl-;Slimicide C 77P;Agribrom;Bromine Disinfectant Tablet(BCDMH);Slimicide 78P;
EINECS:
240-230-0
Density:
1.91 g/cm³
Melting Point:
159-163 °C
Boiling Point:
232.7 °C at 760 mmHg
Flash Point:
94.5 °C
Appearance:
slightly yellow crystalline powder
Hazard Symbols:
O,C
Risk Codes:
8-31-34
Safety:
8-17-26-36/37/39-41-45 Details
Transport Information:
UN 3085 5.1/PG 2
particular:
particular

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Agglomerated halohydantoins: Agglomerated halohydantoins. Girard, Theodore A. (Glyco, Inc., USA). U.S. US 4427692 A 24 Jan 1984, 4 pp.Chemicals with cas numbers 118-52-5 and 16079-88-2 also play role. Cont. of U.S. Ser. No. 331,062, abandoned. (English). (United States of America). CODEN: USXXAM. CLASS: IC: A01N043-50. NCL: 424273000R. APPLICATION: US 83-481018 6 Apr 1983. PRIORITY: US 81-331062 15 Dec 1981. DOCUMENT TYPE: Patent CA Section: 45 (Industrial Organic Chemicals, Leather, Fats, and Waxes) Section cross-reference(s): 46, 61, 63 A 5,5-dimethylhydantoin (I) [77-71-4]-dihalodimethylhydantoin mixt. and water are fed to the surface of an agglomerating disk to form spherical agglomerates which are dried to give hard spheres. The spheres do not form dust or flakes during handling. When placed in water (e.g., for disinfection of recirculating aq. systems), the spheres release active halogen at a controlled rate. Thus, a mixt. of 90 parts N-bromo-N'-chloro-5,5-dimethylhydantoin [16079-88-2] and 10 parts I was fed (400 lb/h) to an agglomerating disk along with 100 lbs water/h to give spherical agglomerates (diam. 0.5 in) which were dried at 65°. .

N-Bromo-N'-chloro-5,5-dimethylhydantoin: N-Bromo-N'-chloro-5,5-dimethylhydantoin. Neisen, Gertrud; Jenkner, Herbert (Chemische Fabrik Kalk G.m.b.H., Ger.). Ger. Offen. DE 2503049 29 Jul 1976, 10 pp. (German). (Germany). CODEN: GWXXBX. CLASS: IC: C07D233-82. APPLICATION: DE 75-2503049 25 Jan 1975. DOCUMENT TYPE: Patent CA Section: 28 (Heterocyclic Compounds (More Than One Hetero Atom)) Section cross-reference(s): 42 The yield and purity of N-bromo-N'-chloro-5,5-dimethylhydantoin are improved by addn. of 0.001-5.0 wt.% (based on dimethylhydantoin) surfactant-polyphosphate to the reaction mixt. after the bromination but before the chlorination.Except for chemicals metioned above, 77-71-4 and 16079-88-2 are also used. .