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Merck

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:
35691-65-7
Molecular Weight:
265.93
NACRES:
NA.24
PubChem Substance ID:
329754978
UNSPSC Code:
85151701
EC Number:
252-681-0
MDL number:
MFCD00072483

Key Documents

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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

100

Related Categories

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.

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.

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.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

hcodes

H302,H314

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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Certificates of Analysis (COA)

Lot/Batch Number
BCCG6594
BCCD2000
BCCB8384
BCCB7276
BCBW1255

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Axel Schnuch et al.
Contact dermatitis, 56(6), 331-337 (2007-06-20)
Although genetic factors probably account for differences in susceptibility to contact allergy, they have not yet been identified, partly due to an insufficient understanding of 'susceptibility'. Regarding polysensitization (PS) as a sign of increased susceptibility, we studied the relationship between
Louise Arup Fischer et al.
Contact dermatitis, 61(4), 201-208 (2009-10-15)
Allergic contact dermatitis is common and can be prevented. The relationship between thresholds for patch tests and the repeated open application test (ROAT) is unclear. It would be desirable if patch test and ROAT data from already sensitized individuals could
Patch testing with methyldibromoglutaronitrile
Geier J, et al.
American Journal of Contact Dermatitis : Official Journal of the American Contact Dermatitis Society, 11, 207-212 (2000)
S Ada et al.
Journal of the European Academy of Dermatology and Venereology : JEADV, 24(10), 1192-1196 (2010-03-20)
Cosmetics are the causative agents in 8-15% of patients suspected of having allergic contact dermatitis. Patch testing with standard series identifies 70-80% of the responsible allergens in all contact dermatitis; however, many important cosmetic-related allergens may be missed by using
Huijun Liu et al.
Bulletin of environmental contamination and toxicology, 92(4), 451-454 (2014-02-20)
The dissipation and residues of bromothalonil in apple and soil under field condition were analyzed by QuEChERS (quick, easy, cheap, effective, rugged and safe) combined with gas chromatography-mass spectrometer method. The recoveries were ranged from 80.8 % to 106 %
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