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
Beilstein:
146024
EC Number:
MDL number:
UNSPSC Code:
12352101
PubChem Substance ID:
NACRES:
NA.22
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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
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Related Categories
Application
Useful in aromatic bromination of alkoxybenzoic acids and in bromofluorination of alkenes.
Signal Word
Danger
Hazard Statements
Precautionary Statements
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 Code
5.1B - Oxidizing hazardous materials
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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M Hilp
Die Pharmazie, 59(8), 612-614 (2004-09-24)
Iodine values (iodine numbers) of several fixed oils and lard can be determined in ethyl acetate, an easily biodegredable solvent, instead of chloroform according to PH. EUR. 2002. Iodine monobromide has been replaced by 1,3-dibromo-5,5-dimethylhydantoin (DBH) and potassium iodide (KI)
M Hilp
Die Pharmazie, 57(6), 393-395 (2002-07-16)
Elemental bromine serves as oxidant for the identification of propylthiouracil, 2-thiouracil and sulphur according to PH. EUR. 2002. Phenol is identified according to PH. EUR. 2002 with bromine water as the sparingly water-soluble 2,4,4,6-tetrabromo-2,5-cyclohexadiene-1-one. These tests can be performed better
Soni Kamlesh Madhusudan et al.
Carbohydrate research, 340(3), 497-502 (2005-02-01)
Exchange of acyclic glycosyl dithioacetals to their O,O-acetals has been achieved by a generalized reaction protocol mediated by 1,3-dibromo-5,5-dimethylhydantoin under mild, metal-free and neutral conditions. This methodology has been extended to the synthesis of alkyl glycofuranosides.
Norasak Kalchayanand et al.
Journal of food protection, 72(1), 151-156 (2009-02-12)
1,3-Dibromo-5,5-dimethylhydantoin (DBDMH; 25 degrees C) and hot water (85 degrees C) spray treatments were evaluated for efficacy in decontamination of pathogenic bacteria attached to beef carcass surfaces represented by cutaneous trunci (CT) muscle sections and beef hearts. Treatments were evaluated
Manfred Hilp
Journal of pharmaceutical and biomedical analysis, 28(2), 303-309 (2002-04-04)
USP 2000 [The United States Pharmacopeia, Rockville USA, 24th ed., 2000, pp. 1436] and PH. EUR. 1997 [European Pharmacopoeia, third ed., Council of Europe, Strasbourg, 1997, p. 1401] determine propylthiouracil using neutralization titration, whereby 0.1 M silver nitrate and twice
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