Neutral Red
SIAL/72210 - for microscopy (Bact., Bot., Fl., Hist., Vit.), indicator (pH 6.8-8.0)
Synonym: 3-
CAS Number: 553-24-2
Empirical Formula (Hill Notation): C15H17ClN4
Molecular Weight: 288.78
EC Number: 209-035-8
MDL Number: MFCD00012651
Linear Formula: C15H17ClN4
Product Type: Chemical
| εmax | ≥800 at 535-545 nm |
| application(s) | diagnostic assay manufacturing hematology histology |
| form | powder or crystals |
| grade | for microscopy (Bact., Bot., Fl., Hist., Vit.) |
| indicator (pH 6.8-8.0) | |
| InChI | 1S/C15H16N4.ClH/c1-9-6-13 |
| InChI key | PGSADBUBUOPOJS-UHFFFAOYSA |
| mp | 290 °C (dec.) (lit.) |
| pH | 6.8-8.0, red to yellow |
| Quality Level | 100  |
| SMILES string | Cl.CN(C)c1ccc2nc3cc(C)c(N |
| solubility | water: 0.01 g/10 mL |
| storage temp. | room temp |
| technique(s) | titration: suitable |
| Application: | Neutral red has been used to stain mouse mammary glands. |
| Application: | Useful as an indicator for preparing neutral red paper, and as a biological stain. |
| General description: | Neutral red is a vital dye widely used as a cellular pH indicator and is selective for shifts in pH. It is highly lipophilic in nature. It favours membrane potential dependent fluorescence that attributes to changes in hydrophobicity. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| mp | 290 °C (dec.) (lit.) |
| Storage Temp. | room temp |
| Colour Index Number | 50040 |
| UNSPSC | 12171500 |