Toluidine blue O, Technical Grade, Sigma-Aldrich®

Supplier: SIGMA-ALDRICH MICROSCOPY

Synonyms: TBO, 3-Amino-7-(dimethylamino)-2-methyl-5-phenothiazinium chloride, 3-Amino-7-(dimethylamino)-2-methylphenothiazin-5-ium chloride, Tolonium chloride, Basic Blue 17, Blutene chloride

M-Clarity™ quality level = MQ200

T3260-100G T3260-25G T3260-5G
T3260-100GEA 1190 GBP
T3260-100G T3260-25G T3260-5G
Toluidine blue O, Technical Grade, Sigma-Aldrich®
Toluidine blue O

Toluidine Blue O (TBO) is a thiazine dye of the quinone-imine family and is cationic in nature. It has been employed in polychromatic staining of paraffin embedded plant cell walls. It is a metachromatic dye suitable for a wide variety of histological staining procedures. A metachromatic dye suitable for a wide variety of histological staining procedures. Toluidine Blue O has been used to stain a variety of specimens like mesenchymal cells, taste buds, osteoblasts, matrix, and more.

Formula: C₁₅H₁₆ClN₃S
MW: 305,83 g/mol
Storage Temperature: Room Temperature
MDL Number: MFCD00011934
CAS Number: 92-31-9
EINECS: 202-146-2
Merck Index: 12,09658
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Specification Test Results

Appearance (Form) Powder
Infrared spectrum Conforms to Structure
Solubility (Colour), c = 4 mg/4 ml; Water Dark Blue to Very Dark Blue and Dark Purple to Very Dark Purple and Blue-Purple
Carbon 47.1 - 61.9 %
Nitrogen 11.0 - 14.4 %
Dye Content Approximately 85%

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