Cookies disclaimer

I agree Our site saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing our website without changing the browser settings you grant us permission to store that information on your device.

A15510 1,3-Dibromo-5,5-dimethylhydantoin, 98%

CAS Number
77-48-5
Synonyms
Bromodan
Dibromantin

Stock No. Size Price ($) Quantity Availability
A15510-22 100g 20.70
A15510-36 500g 47.70
A15510-0E 2500g 198.00
Add to Cart Bulk/Specialty Print Quote View Item

1,3-Dibromo-5,5-dimethylhydantoin, 98%

MDL
MFCD00003189
EINECS
201-030-9

Chemical Properties

Formula
C5H6Br2N2O2
Formula Weight
285.93
Melting point
ca 198° dec.
Flash Point
155°(311°F)
Storage & Sensitivity
Moisture Sensitive. Ambient temperatures.
Solubility
Soluble in Alcohol, Ether, Benzene. Insoluble in Water.

Applications

It is used for drinking water purification, recreational water treatment, as a bleaching agent in pulp and paper mills, and for treating industrial/commercial water cooling systems. It is an efficient and selective agent for the oxidation of thiols to disulfides in solution or under solvent-free conditions.

Notes

Moisture sensitive. Store away from oxidizing agents, reducing agents, flammable substances, organic materials, metal powders & moisture.

Literature References

KHAZAEI Ardeshir, MOHAMMAD ALI ZOLFIGOL, ROSTAMI Amin. 1,3-dibromo-5,5-dimethylhydantoin [DBDMH] as an efficient and selective agent for the oxidation of thiols to disulfides in solution or under solvent-free conditions. Synthesis. 2004, 18 2959-2961.

Nelo R. Rivera; Jaume Balsells, Karl B. Hansen.Synthesis of 2-amino-5-substituted-1,3,4-oxadiazoles using 1,3-dibromo-5,5-dimethylhydantoin as oxidant. Tetrahedron Letters. 2006, 47 (28), 4889-4891.

Free-radical brominating agent: J. Chem. Soc., 4678 (1962), alternative to N-Bromosuccinimide, A15922, in many large-scale brominations. Superior to NBS for the regioselective free-radical 2-bromination of pyrrole: J. Org. Chem., 46, 2221 (1981); Org. Synth. Coll., 9, 121 (1998).

Also behaves as a source of positive bromine. Electron-rich aromatic compounds undergo uncatalyzed ring-bromination: Tetrahedron Lett., 38, 4415 (1997). The bromination of less active substrates can be catalyzed by TMS triflate. Bromination of aromatic rings, including those with electron-withdrawing substituents, also occurs in the presence of strong acids: Bull. Chem. Soc. Jpn., 67, 1918 (1994). Has also been used as an alternative to NBS for the ring bromination of activated benzoic acids in the presence of aqueous NaOH: Tetrahedron Lett., 34, 931 (1993).

For use in combination with AgF as a reagent for the trans-fluorobromination of alkenes, see: Chem. Lett., 1877 (1988).

GHS Hazard and Precautionary Statements

Hazard Statements: H272-H302-H314

May intensify fire; oxidizer. Harmful if swallowed. Causes severe skin burns and eye damage.

Precautionary Statements: P210-P220-P221-P260-P264b-P270-P280-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P363-P370+P378q-P501c

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep/Store away from clothing/combustible materials. Take any precaution to avoid mixing with combustibles. Do not breathe dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. Rinse mouth. Do NOT induce vomiting. Wash contaminated clothing before reuse. In case of fire: Use CO2, dry chemical, or foam Dispose of contents/ container to an approved waste disposal plant

Other References

Beilstein
146024
Hazard Class
5.1
Packing Group
II
Harmonized Tariff Code
2933.21
TSCA
Yes
RTECS
MU0686000

Recommended

Recently Viewed

Chemicals

Life Science

Metals & Materials

Catalysts

Analytical & Labware