34392
Methyldibromoglutaronitrile
analytical standard
Synonym(s):
1,2-Dibromo-2,4-dicyanobutane, 1-Bromo-1-(bromomethyl)-1,3-propanedicarbonitrile, 2-Bromo-2-(bromomethyl)glutaronitrile
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About This Item
Empirical Formula (Hill Notation):
C6H6Br2N2
CAS Number:
Molecular Weight:
265.93
NACRES:
NA.24
PubChem Substance ID:
UNSPSC Code:
85151701
EC Number:
252-681-0
MDL number:
InChI key
DHVLDKHFGIVEIP-UHFFFAOYSA-N
InChI
1S/C6H6Br2N2/c7-4-6(8,5-10)2-1-3-9/h1-2,4H2
SMILES string
BrCC(Br)(CCC#N)C#N
grade
analytical standard
shelf life
limited shelf life, expiry date on the label
technique(s)
HPLC: suitable, gas chromatography (GC): suitable
mp
51-55 °C
application(s)
environmental
format
neat
storage temp.
2-8°C
Quality Level
Related Categories
Application
Methyldibromoglutaronitrile may be used as an analytical reference standard for the quantification of the analyte in cosmetic products using ultra performance liquid chromatography (UPLC) coupled to inductively coupled plasma mass spectrometry (ICP-MS) and gas chromatography followed by mass spectrometry technique.
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
General description
Methyldibromoglutaronitrile (MDBGN) is a bromine-containing preservative and a clinically significant allergen as investigated from animal/human clinical studies.
Methyldibromoglutaronitrile can be generally used as a preservative in the cosmetic industry for many skin care products.
Other Notes
Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Skin Corr. 1B
Storage Class
8A - Combustible corrosive hazardous materials
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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B C Carlsen et al.
The British journal of dermatology, 160(1), 103-106 (2008-11-19)
It is not known if reduced elicitation thresholds are evident among polysensitized individuals when using allergens to which the patients are already sensitized. Reduced elicitation thresholds may be an expression of increased reactivity in this patient group. To examine and
Manuela Pellegrini et al.
Journal of pharmaceutical and biomedical analysis, 56(5), 1112-1116 (2011-08-30)
A simple and rapid gas chromatography (GC) method with mass spectrometry (MS) detection has been developed for the determination of methyldibromo glutaronitrile (MDBGN) in cosmetic products. The presence of this preservative in commercial cosmetic samples is prohibited since 2007 because
Marléne Isaksson et al.
Dermatitis : contact, atopic, occupational, drug, 18(4), 203-207 (2007-11-21)
Contact allergy to and allergic contact dermatitis from methyldibromoglutaronitrile (MDBGN) have been frequently reported since the 1990s. This study was initiated to help determine the optimal test preparation for MDBGN and to help determine the clinical relevance of such a
Charlotte Gotthard Mortz et al.
Current opinion in allergy and clinical immunology, 8(5), 428-432 (2008-09-05)
To give selected new information on contact allergy and allergic contact dermatitis with focus on diagnostic procedures and pitfalls. Recent studies dealing with common contact allergens have improved our understanding of the relationship between positive patch tests and the clinical
A C De Groot et al.
Journal of the American Academy of Dermatology, 35(5 Pt 1), 743-747 (1996-11-01)
Euxyl K 400 is a preservative system for cosmetics and toiletries that contains phenoxyethanol and methyldibromoglutaronitrile in a 4:1 ratio. In The Netherlands, Italy, and Germany, the prevalence of allergy to Euxyl K 400 has risen in the past 4
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