157902
1,3-Dibromo-5,5-dimethylhydantoin
98%
Synonym(s):
Dibromantin
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About This Item
Empirical Formula (Hill Notation):
C5H6Br2N2O2
CAS Number:
Molecular Weight:
285.92
UNSPSC Code:
12352101
NACRES:
NA.22
PubChem Substance ID:
EC Number:
201-030-9
Beilstein/REAXYS Number:
146024
MDL number:
Assay:
98%
Quality Level
assay
98%
mp
197-199 °C (dec.) (lit.)
SMILES string
CC1(C)N(Br)C(=O)N(Br)C1=O
InChI
1S/C5H6Br2N2O2/c1-5(2)3(10)8(6)4(11)9(5)7/h1-2H3
InChI key
VRLDVERQJMEPIF-UHFFFAOYSA-N
Application
Useful in aromatic bromination of alkoxybenzoic acids and in bromofluorination of alkenes.
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Ox. Sol. 3 - Skin Corr. 1B - Skin Sens. 1
Storage Class
5.1B - Oxidizing hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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M Hilp
Die Pharmazie, 57(1), 45-48 (2002-02-12)
PH. EUR. 2002 uses elemental bromine performing iron limit tests for maleic acid (iron 5 ppm) and titanium dioxide (iron 200 ppm). 1,3-Dibromo-5,5-dimethylhydantoin (DBH) can replace bromine water. For the iron limit test of maleic acid bivalent iron is oxidized
M Hilp
Die Pharmazie, 56(7), 548-551 (2001-08-08)
The identification of lactate according to Ph. Eur. 1997 and DAB 2000 uses the oxidation of lactic acid to pyruvic acid by boiling with bromine water in sulphuric acid. Acetaldehyde arising by decarboxylation is detected according to Legal applying a
M Hilp
Die Pharmazie, 57(4), 250-251 (2002-05-10)
PH. EUR. 2002 identifies nicotinamid, nicotinic acid, and nikethamide according the reaction of König using cyanogen bromide solution prepared with bromine water and ammonium thiocyanate immediately before use. This colour reaction can be better performed with 1,3-dibromo-5,5-dimethylhydantoin (DBH) and sulphanilic
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 157902-25G | 04061838743695 |
| 157902-1KG | 04061841724247 |
| 157902-500G | 04061838743701 |