92-31-9
Product Name:
Toluidine Blue O
Formula:
C15H16ClN3S
Synonyms:
Toluidine Blue O;Basic Blue 17;Blutene chloride;Methylene Blue T;Methylene Blue T50 or T extra
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Dark green solid; [Merck Index] Dark green powder; [Sigma-Aldrich MSDS] |
|---|---|
| Chemical Classes | Dyes -> Azine Dyes |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 305.8 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 305.0753464 g/mol |
| Monoisotopic Mass | 305.0753464 g/mol |
| Topological Polar Surface Area | 66.7 Ų |
| Heavy Atom Count | 20 |
| Formal Charge | 0 |
| Complexity | 512 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 2 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Tolonium chloride is an organic chloride salt having 3-amino-7-(dimethylamino)-2-methylphenothiazin-5-ium (tolonium) as the counterion. It is a blue nuclear counterstain that can be used to demonstrate Nissl substance and is also useful for staining mast cell granules, both in metachromatic and orthochromatic techniques. It has a role as a fluorochrome, a histological dye and a diagnostic agent. It contains a tolonium.