Technical Data Sheet
Neutral red (C.I. 50040), 10 g
p.a.
Pack Qty.
Pack.
Toluylene red
Empirical formula C15H17ClN4
Molar mass (M) 288,78 g/mol
Melting point (mp) 290 °C
WGK 1
CAS No. 553-24-2
EG-Nr. 209-035-8
Molar mass (M) 288,78 g/mol
Melting point (mp) 290 °C
WGK 1
CAS No. 553-24-2
EG-Nr. 209-035-8
Dissolve 0.3 g in 100 ml of ethanol (70 %)
Indicator pH 6,8-8,0
Indicator pH 6,8-8,0
Water-soluble vital staining dye.
€98.80/Pack Qty.
excl. VAT. | 10 g per Pack Qty.
Art. No. T122.1
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from 6 Pack Qty.
€93.86/Pack Qty.
from 24 Pack Qty.
€88.92/Pack Qty.
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Product details
Neutral red (C.I. 50040) p.a.
Water-soluble vital staining dye.
Technical Information
| Dyeing | living cells red |
| Colour conversion | red - orange yellow |
| Ox. colour | red-violet |
| Transition range pH | 6,8 - 8,0 |
| Red. colour | colourless |
| Redox potential E0[V] at pH=0 and 20 °C | +0.25 |
| Use | vitality test |
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Neutral red (C.I. 50040)
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| Art. No. | Pack Qty. | Pack. | Price | Quantity | |
|---|---|---|---|---|---|
| T122.1 | 10 g | glass |
€98.80 |
|
|
| T122.2 | 1 g | glass |
€32.15 |
|
|
| T122.3 | 25 g | glass |
€192.45 |
|
|
|
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Downloads / MSDS
General information
Indicators and Dyes
Carl ROTH offers many indicators and dyes of high purity, which can be used in special applications.
Certificates of Analysis
Type analysis
| Appearance of solution | clear red |
| pH-transition range | 6.8 (red)- 8.0 (yellow) |
| Maximum absorption | 528-558 nm |
| Suitability for microscopy | complies |