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845-10-3 - Methyl Red sodium salt - C.I. 13020 - Methyl Red, water soluble - A17455 - Alfa Aesar

A17455 Methyl Red sodium salt

CAS-Nummer
845-10-3
Synonyme
C.I. 13020
Methyl Red, water soluble

Größe Preis ($) Menge Verfügbarkeit
25g 22,20
100g 56,10
500g 207,00
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Methyl Red sodium salt

MDL
MFCD00002426
EINECS
212-682-9

Chemische Eigenschaften

Formel
C15H14N3NaO2
Molmasse
291.29
Löslichkeit
Soluble in water (800 mg/ml at 25°C), and slightly soluble in ethanol at (25°C).

Anwendungen

Methyl red is an indicator dye that turns red in acidic solutions. It is a pH indicator, turning red under pH 4.4, yellow over pH 6.2, and orange in between those values. It is used in microbiology in the Voges-Proskauer test to identify bacteria that produce stable acids through mixed acid fermentation of glucose. Methyl-red positive bacteria include Proteus vulgaris and Escherichia coli. Methyl-red negative bacteria include Enterobacter aerogenes and Serratia marcescens.

Bemerkungen

Store at room temperature. Reactive with oxidizing agents.

Literaturverweise

Bin Zhao.; Jeffrey S. Moore.; David J. Beebe. Surface-Directed Liquid Flow Inside Microchannels. Science. 2001, 291 (5506),1023-1026.

Shizhuo Yin.; Kun-Wook Chung.; Xin Zhu. A novel all-optic tunable long-period grating using a unique double-cladding layer. Opt. Commun.. 2001, 196 (1-6),181-186.

Weitere Referenzen

Beilstein
4065488
Harmonized Tariff Code
2927.00
TSCA
Yes

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