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Key Documents

08714

Millipore

Methyl Red solution

suitable for microbiology

Synonyme(s) :

Methyl red indicator solution

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About This Item

Formule empirique (notation de Hill):
C15H15N3O2
Numéro CAS:
Poids moléculaire :
269.30
Numéro Beilstein :
1843037
Numéro MDL:
Code UNSPSC :
41171621
ID de substance PubChem :
Nomenclature NACRES :
NA.85

Agence

according to GB 4789.30-2016
according to ISO 22964:2017

Niveau de qualité

Gamme de produits

BioChemika

Durée de conservation

limited shelf life, expiry date on the label

Composition

dist. water, 200 mL
ethanol 95%, 300 mL
methyl red, 0.1 g

Technique(s)

microbe id | metabolite detection: suitable

Application(s)

clinical testing
environmental
food and beverages

microbiology

Adéquation

Enterococcus spp.
Escherichia coli
Klebsiella spp.
Proteus spp.
Pseudomonas spp.
Staphylococcus spp.
bacteria

Chaîne SMILES 

CN(C)c1ccc(cc1)\N=N\c2ccccc2C(O)=O

InChI

1S/C15H15N3O2/c1-18(2)12-9-7-11(8-10-12)16-17-14-6-4-3-5-13(14)15(19)20/h3-10H,1-2H3,(H,19,20)/b17-16+

Clé InChI

CEQFOVLGLXCDCX-WUKNDPDISA-N

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Description générale

Methyl red solution is an azo dye which turns to red when pH is below 4.4 (yellow pH < 6.2, orange pH 4.4-6.2). Some bacteria utilize glucose to form large amounts of acid with the result that the pH value of the medium falls distinct. Other species produce no or less free acid. This difference can be visualized by using methyl red. This test is used to differentiate enteric bacteria.

Application

Methyl red solution is a pH indicator dye recommended for detection of bacteria producing acid from glucose fermentation such as Enterobacteriaceae in various samples.

Pictogrammes

FlameExclamation mark

Mention d'avertissement

Danger

Mentions de danger

Classification des risques

Eye Irrit. 2 - Flam. Liq. 2

Code de la classe de stockage

3 - Flammable liquids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

69.8 °F

Point d'éclair (°C)

21 °C

Équipement de protection individuelle

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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