553-24-2
Product Name:
Neutral Red
Formula:
C15H17ClN4
Synonyms:
3-Amino-7-dimethylamino-2-methylphenazine hydrochloride;Basic Red 5;Neutral Red;Neutral Red solution;Toluylene red
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Dark green solid; [Merck Index] |
|---|---|
| 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 |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. |
COMPUTED DESCRIPTORS
| Molecular Weight | 288.77 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 1 |
| Exact Mass | 288.1141743 g/mol |
| Monoisotopic Mass | 288.1141743 g/mol |
| Topological Polar Surface Area | 55 Ų |
| Heavy Atom Count | 20 |
| Formal Charge | 0 |
| Complexity | 319 |
| 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
Neutral red is a hydrochloride obtained by combining the free base of neutral red with one equivalent of hydrochloric acid. Neutral red acts as a pH indicator, changing from red to yellow between pH 6.8 and 8.0. It has a role as a dye, an acid-base indicator and a two-colour indicator. It contains a neutral red(1+).