Molekula
Toluidine Blue O
Toluidine Blue O is a basic thiazine dye used in histology, microbiology, and as a biological stain. It is also employed in photodynamic therapy and as a redox indicator. Available in powder form with a CAS number of 95-53-4, its molecular formula is C12H12N2S, and it has a molecular weight of 200.26 g/mol. Store at ambient temperature. Signal word: Danger. Molekula supplies Toluidine Blue O from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Toluidine Blue O is a basic thiazine dye used in histology, microbiology, and as a biological stain. It is also employed in photodynamic therapy and as a redox indicator. Available in powder form with a CAS number of 95-53-4, its molecular formula is C12H12N2S, and it has a molecular weight of 200.26 g/mol. Store at ambient temperature. Signal word: Danger. Molekula supplies Toluidine Blue O from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Clear colourless to to yellow or pale brown liquid |
| Refractive Index | 1.5710 - 1.5740 (at 20°C) |
| Assay | ⩾ 98.0% |
| Identification (RAMAN) | Conforms to Reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 85 C |
| Transport Class | 6.1 |
| Packing Group | II |
| Shelf Life | 24 months |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| CAS Number | 95-53-4 |
| Molecular Formula | CH3C6H4NH2 |
| Molecular Weight | 107.15 |
| SMILES | NC=1C=CC=CC1C |
| EC / UN Number | 1708 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2921.42.9000 |
| Tariff Code | 2921430080 |
Safety & GHS
-
Flammable
GHS02
-
Compressed Gas
GHS04
-
Corrosive
GHS05
-
Toxic
GHS06
Hazard statements
- H227 Combustible liquid
- H301 + H331 Toxic if swallowed or inhaled
- H312 Harmful in contact with skin
- H315 Causes skin irritation
- H318 Causes serious eye damage
- H341 Suspected of causing genetic defects
- H350 May cause cancer
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Toluidine Blue O used for?
Toluidine Blue O is primarily used as a biological stain in histology and cytology for staining nucleic acids and certain proteins.
What is the chemical formula and molecular weight of Toluidine Blue O?
The formula is C12H12N2 and the molecular weight is 107.15 g/mol.
How should Toluidine Blue O be stored?
Store at ambient temperature, away from light and moisture, and keep in a tightly closed container.
What grade of Toluidine Blue O is available?
Available in analytical grade for laboratory use.
Can Molekula supply Toluidine Blue O in bulk?
Yes, Molekula can supply Toluidine Blue O in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with a purchase of Toluidine Blue O?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.