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AB146368

Methyl red, pH indicator

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MW 269.3 g/mol. pH indicator. Azo dye used in the methyl red (MR) test to identify bacteria producing stable acids by mechanisms of mixed acid fermentation of glucose. The transition range is pH 4.4 (red) to pH 6.2 (yellow).

Absorption: λmax 410 nm

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Chemical Structure - Methyl red, pH indicator (AB146368)
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Chemical Structure - Methyl red, pH indicator (AB146368)

2D chemical structure image of ab146368, Methyl red, pH indicator

Key facts

CAS number

493-52-7

Molecular weight

269.3 g/mol

Molecular formula

C<sub>1</sub><sub>5</sub>H<sub>1</sub><sub>5</sub>N<sub>3</sub>O<sub>2</sub>

Nature

Synthetic

Biological description

pH indicator. Azo dye used in the methyl red (MR) test to identify bacteria producing stable acids by mechanisms of mixed acid fermentation of glucose. The transition range is pH 4.4 (red) to pH 6.2 (yellow).

Absorption: λmax 410 nm

IUPAC Name

2-[[4-(Dimethylamino)phenyl]azo]benzoic acid

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Properties and storage information

Shipped at conditions
Ambient - Can Ship with Ice
Appropriate short-term storage conditions
Ambient
Appropriate long-term storage conditions
Ambient
Storage information
The product can be stored for up to 12 months
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Product protocols

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