Methyl Red sodium salt CAS: 845-10-3
MF: C15H14N3NaO2
MW: 291.28
A dye used for pH detection.

Methyl Red sodium salt (CAS 845-10-3)

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Application: Methyl Red sodium salt is a dye used for pH detection
CAS Number: 845-10-3
Molecular Weight: 291.28
Molecular Formula: C15H14N3NaO2
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data (including water content).
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Methyl Red sodium salt is the sodium salt of Methyl Red. 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.

Appearance :
Crystalline
Physical State :
Solid
Solubility :
Soluble in water (800 mg/ml at 25° C), and ethanol (slightly at 25° C).
Storage :
Store at room temperature
Melting Point :
275-281° C (lit.)
Refractive Index :
n20D 1.59 (Predicted)
IC50 :
PRMT1: IC50 = 440 µM (human); RmtA: IC50 = 2.1 mM (Emericella nidulans)
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
WGK Germany :
3
PubChem CID :
4465632
Merck Index :
14: 6119
MDL Number :
MFCD00002426
EC Number :
212-682-9
Beilstein Registry :
4065488
SMILES :
CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+]

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Certificate of Analysis

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Methyl Red sodium salt (CAS 845-10-3) Product Citations

See how others have used Methyl Red sodium salt (CAS 845-10-3). Click on the entry to view the PubMed entry .

Citations 1 to 1 of 1 total

PMID: # 11161212  Zhao, B. et al. 2001. Science. 291: 1023-1026.

Citations 1 to 1 of 1 total
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