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157902

Sigma-Aldrich

1,3-Dibromo-5,5-dimethylhydantoin

98%

Synonym(s):

Dibromantin

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About This Item

Empirical Formula (Hill Notation):
C5H6Br2N2O2
CAS Number:
77-48-5
Molecular Weight:
285.92
Beilstein/REAXYS Number:
146024
EC Number:
201-030-9
MDL number:
MFCD00003189
UNSPSC Code:
12352101
PubChem Substance ID:
24849707
NACRES:
NA.22

Quality Level

200

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

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Application

Useful in aromatic bromination of alkoxybenzoic acids and in bromofluorination of alkenes.

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Danger

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_germany

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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Certificates of Analysis (COA)

Lot/Batch Number
MKCQ7370
MKCM0799
MKCL2765
MKCJ6308
MKCH6657

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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
Gloria Hernández-Torres et al.
Organic letters, 14(7), 1858-1861 (2012-03-27)
Organocatalytic stereospecific dibromination of a wide variety of functionalized alkenes was achieved using a stable, inexpensive halogen source, 1,3-dibromo 5,5-dimethylhydantoin, and a simple thiourea catalyst at room temperature. The presence of a tertiary amine enhanced the rate of the dibromination
Tetrahedron Letters, 34, 931-931 (1993)
J Kasai et al.
Rinsho byori. The Japanese journal of clinical pathology, 37(8), 918-922 (1989-08-01)
Legionella spp., the causative organism of legionnaires' disease, were isolated from more than 80% of water samples in cooling towers before washing. Therefore, we evaluated the effect of microbicide treatment of cooling tower water on Legionella spp., other bacteria and
M Hilp
Die Pharmazie, 57(8), 538-542 (2002-09-14)
Low and medium iodine values of fixed oils and fats can be determined in glacial acetic acid within reduced waiting times of only 5 min. Highly unsaturated compounds such as those of linseed oil, cod-liver oil, sunflower oil, soybean oil
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Global Trade Item Number

SKUGTIN
157902-25G4061838743695
157902-1KG4061841724247
157902-500G4061838743701

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