92-32-0
Product Name:
PYRONIN Y
Formula:
C17H19ClN2O
Synonyms:
(C.I. 45005) for microscopy Certistain;Pyronin G;Pyronin J;Pyronin Y;Pyronine G (C.I. 45005)
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Lustrous green solid; [Merck Index] Iridescent green crystals; [Amresco MSDS] |
|---|---|
| Chemical Classes | Dyes -> Acridine Dyes |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
![]() Health Hazard GHS08 |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P202:Do not handle until all safety precautions have been read and understood. P281:Use personal protective equipment as required. P308+P313:IF exposed or concerned: Get medical advice/attention. P403:Store in a well-ventilated place. |
COMPUTED DESCRIPTORS
| Molecular Weight | 302.8 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 1 |
| Exact Mass | 302.1185909 g/mol |
| Monoisotopic Mass | 302.1185909 g/mol |
| Topological Polar Surface Area | 15.5 Ų |
| Heavy Atom Count | 21 |
| Formal Charge | 0 |
| Complexity | 480 |
| 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
Pyronin Y is an organic chloride salt having 6-(dimethylamino)-N,N-dimethyl-3H-xanthen-3-iminium as the cation. Used with methyl green to selectively demonstrate RNA (red) in contrast to DNA (green) with the Unna-Pappenheim method. It has a role as a histological dye. It is an iminium salt and an organic chloride salt. It contains a pyronin Y cation.

