A1296 Sigma


microbiology tested, plant cell culture tested, cell culture tested, powder

Synonym: Agar-agar, Gum agar



Related Categories Agars, All Solid Media/Agars, Base Ingredients for Media, Carbohydrates, Core Bioreagents,
form   powder
transition temp   congealing temperature <38 °C (1.5% in H2O)
suitability   cell culture tested
  microbiology tested
  plant cell culture tested
Featured Industry   Agriculture


Other Notes

General purpose agar.


1 kg in poly bottle

100, 500 g in poly bottle

5, 10, 25 kg in poly drum


Agar has been used in the plant growth media.
Typical working concentration: 6-12g/L.

General description

Agar is a hydrophilic colloid obtained from marine algae (Rhodophyceae). It is soluble in boiling water and is of significance to the microbiological area.

Price and Availability

LC-MS Grade Solvents and Reagents

Bulk Chemicals
Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 
Protocols & Articles


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

Microbiology Theory: Media Preparation

Microorganisms need nutrients, a source of energy and certain environmental conditions in order to grow and reproduce. In the environment, microbes have adapted to the habitats most suitable for thei...
Keywords: Culture media, Digestions, Environmental, Filtration, Growth factors, Indicators, Microbiology, Phase transitions, Precipitation, Vitamins


Gelling Agents - Plant Tissue Culture Protocol

Agar has long been used to solidify media for plant tissue culture. The type of agar or gelling agent used can influence the growth of the tissue in culture. Both purity and cost of the gelling agent...
Keywords: Cell culture, Centrifugation, Immobilization, Inductively coupled plasma, Reductions

Related Content

Agriculture | Crop Protection Workflow

Pesticides are an essential component in modern agriculture and enable growers to fully realize the yield potential of their seeds. From compound discovery to active ingredient development, our chemi...
Keywords: Agriculture, Pesticides

Peer-Reviewed Papers


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