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49825 Sigma-Aldrich

DMACA Reagent

for microbiology

Synonym: 4-(Dimethylamino)-cinnamaldehyde solution

  • CAS Number 6203-18-5

  • Empirical Formula (Hill Notation) C11H13NO

  • Molecular Weight 175.23

  •  Beilstein Registry Number 2208002

  •  MDL number MFCD00007002

  •  PubChem Substance ID 24873183

  • Popular Documents:  Datasheet (PDF)  

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Description

Components

Composition per 100 ml:
Dimethylaminocinnamaldehye 1 g
Hydrochloric acid (concentrated) 1.0 ml
distilled water 99.0 ml

Application

Used to determine the ability of an organism to split indole from the tryptophan molecule.

Other Notes

Reagent for the rapid identification of Streptococci.

Same product — same quality — now Sigma-Aldrich brand

Price and Availability

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.



Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Warning
Hazard statements 
Personal Protective Equipment 
RIDADR 
UN 1789 8 / PGIII
WGK Germany 
2
Protocols & Articles

Articles

Differentiation of Escherichia coli from coliforms

In August 2008, the discovery of E. coli-contaminated beef in the United States prompted a nationwide recall of beef. The source turned out to be one supplier that had a history of contamination of i...
Jvo Siegrist
AnalytiX Volume 8 Article 5
Keywords: Decarboxylations, Fermentation, Genetic, Indicators, Microbiology, Reductions

Identification of Microorganisms Based on Color

For microbiologists the most fundamental stain was developed in 1884 by the Danish bacteriologist Hans Christian Gram. The Gram Stain allows the determination of morphology, dividing bacteria into tw...
Jvo Siegrist
Microbiology Focus Edition 1.4, Product Manager Microbiology.... ivo.siegrist@sial.com
Keywords: Antibiotics, Enzyme activity, Fermentation, Gram stain, Help, Indicators, Reductions

Microbiology Introduction

An initial aim of all microbiologists is the reproducible growth of their microbial cultures, no matter whether the microorganisms are of natural origin or have been genetically engineered by man. Re...
Keywords: Absorption, Aerobic, Anaerobic, Antibiotics, Antimicrobials, Buffers, Culture media, Diffusion, Environmental, Filtration, Genetic, Growth factors, Metabolism, Phase transitions, Precipitation, Reductions, Respiration, Sample preparations, Vitamins

Pseudomonas Media and Tests

Pseudomonas are motile (one or more polar flagella), rod shaped and aerobe Gram-negative bacteria. They are found almost everywhere, in soil, water, plants and animals. In most cases it is not pathog...
Jvo Siegrist, Product Manager Microbiology, ivo.siegrist@sial.com
Analytix Volume 2007 Article 5
Keywords: Anaerobic, Biochemistry, Cosmetics, Diagnostic, Fermentation, Glycolysis, Metabolism, Microbiology, Pentose phosphate pathway, Pharmaceutical, Respiratory

Peer-Reviewed Papers
15

References

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