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PhytoTechnology Laboratories

Agar, Micropropagation Grade
Product ID: A296


Description: Agar, Plant TC Micropropagation Grade from Gelidium sp.

Solubility Boiling Water
Physical Form Solid
Storage Temp. Room Temperature
Other Notes Plant Tissue Culture Tested
UPC / SKU A296
CAS NUMBER 9002-18-0
Gelling Strength > 700 g/cm2
Storage Temp. Room Temperature
Tariff Code 1302.31.0000
Risk Info (R) 36/37/38
Safety Info (S) 36
No information available

A296 Agar, Plant TC Micropropagation Grade - Gelidium

Synonyms: Agar-Agar, Gum Agar
CAS: 9002-18-0
Form: Powder
Appearance: Cream to Tan
Application: Gelling Agent
Solubility: Partially Soluble in Cold Water; Soluble in Boiling Water
Typical Working Concentration: 6 to 10 grams per liter
Storage Temp: Room Temperature
Other Notes: Gel Strength: 700-950 g/cm2 Ash Content: <6% Plant Tissue Culture Tested

Application Notes
Agar is produced from a family of red seaweeds (Rhodophycae) primarily from two genera, Gelidium and Gracilaria, and is a mixture of agarose and agaropectin. Product A296 is produced from Gelidium typically has higher gel strength than those produced from Gracilaria. 2

Agar is by far the most common gelling agent used in plant tissue culture. It is used at a wide range of concentrations from 6 g/L for a slightly firm gel to 10 g/L for a brick-like gel; however, 6-8 g/L is the more commonly used range.

Product No. A296 is a popular gelling agent for orchid culture; also popular in microbiological/ bacteriological applications due to its clarity and light color.

PhytoTechnology Laboratories® also carries high purity grade agar, Product No. A175, as well as agar produced from Gracilaria, Product No. A111.

Please Note: While PhytoTechnology Laboratories® tests each lot of this product with two or more plant cell/ tissue culture lines, it is the sole responsibility of the purchaser to determine the appropriateness of this product for the specific plants that are being cultured and applications that are being used.

1. Merck 13, 184
2. McHugh, D.J. (2003). A guide to the seaweed industry. FAO Fisheries Technical Paper 441, Food and Agriculture Organization of the United Nations, Rome.