Neutral red, powder, Bioreagent cell culture reagent, Sigma-Aldrich®
Supplier: SIGMA-ALDRICH MICROSCOPY
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Avg. Ratings: 0.0 out of 5
Synonyms:
N2,N2,7-Trimethylphenazine-2,8-diamine hydrochloride
, Toluylene red
, CI 50040
, 3-Amino-7-dimethylamino-2-methylphenazine
, N8,N8,3-Trimethyl-2,8-phenazinediamine monohydrochloride
, Basic Red 5
M-Clarity™ quality level = MQ200
N4638-1GEA
55.6
GBP
N4638-1G
N4638-5G
Neutral red, powder, Bioreagent cell culture reagent, Sigma-Aldrich®
Neutral red
Neutral red (C.l. 50040, Cl Basic red 5) is a protonated diaminophenazine dye that has a small planar conjugated system.
- Neutral red has been used in several histological staining applications that include:
- As a nuclear stain
- As a counterstain in the Gram procedure, either alone, or as a component of the Twort stain, a fast green-neutral red mixture
- Fluorescent staining of nucleic acids in nervous tissue, of lipids and hydrophobic substances such as suberin and of phenolic compounds in algal cell walls
- Detection of viable yeast cells in dandruff samples and of mussel larvae
- Neutral red has also been used as a stain in flow cytometry
- Useful as an indicator for preparing neutral red paper, and as a biological stain
Formula:
C₁₅H₁₇ClN₄ MW: 288.78 g/mol Melting Pt: 290 °C (dec., lit.) Storage Temperature: Refrigerator |
MDL Number:
MFCD00012651 CAS Number: 553-24-2 EINECS: 209-035-8 Merck Index: 12,06571 |
Specification Test Results
Appearance (Colour) |
Brown to Black may have red or green sheen |
Appearance (Form) | Powder |
Solubility (Colour) 10 mg/ml, H₂O |
Dark Red |
Infrared spectrum | Conforms to Structure |
Dye Content (Calculated based on UV spectral assay) |
≥90 % |
Cell Culture Test | Pass |
Recommended Retest Period | 4 years |
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