81-93-6
Product Name:
Phenosafranin
Formula:
C18H15ClN4
Synonyms:
3,7-Diamino-5-phenylphenazinium chloride
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CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Green lustrous solid; [Merck Index] Powder; [Sigma-Aldrich MSDS] |
|---|---|
| Chemical Classes | Dyes -> Azine Dyes |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. 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 | 322.8 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 1 |
| Exact Mass | 322.0985242 g/mol |
| Monoisotopic Mass | 322.0985242 g/mol |
| Topological Polar Surface Area | 68.8 Ų |
| Heavy Atom Count | 23 |
| Formal Charge | 0 |
| Complexity | 355 |
| 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
Safranin O is an organic chloride salt having 3,7-diamino-5-phenylphenazin-5-ium as the counterion. It is commonly used for staining Gram negative bacteria red in smears to contrast with the blue Gram positive organisms. It has a role as a fluorochrome, a histological dye and a photosensitizing agent. It contains a 3,7-diamino-5-phenylphenazin-5-ium.