Cresol Red sodium salt
Synonym(s):o-Cresolsulfonphthalein;Cresol red;o-Cresolsulfonphthalein
- CAS NO.：62625-29-0
- Empirical Formula: C21H19NaO5S
- Molecular Weight: 406.43
- MDL number: MFCD00001618
- EINECS: 263-654-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-07-04 14:26:14
What is Cresol Red sodium salt?
Chemical properties
Brown powder
The Uses of Cresol Red sodium salt
Cresol Red sodium salt acts as a constituent of polymerase chain reaction reagent systems. It is useful as a pH indicator with color changes with pH 0.2 - pH 1.8 and pH 7.1 - 8.8. Further, it plays an important role in molecular biology reactions in place of other loading dyes.
Properties of Cresol Red sodium salt
| Melting point: | 250 °C (dec.)(lit.) |
| storage temp. | Store at RT. |
| solubility | Solubility Soluble in water, ethanol |
| form | Powder |
| pka | 1.0(at 25℃) |
| color | Brown |
| PH Range | 0.2 (red) - 1.8 (yellow) and 7.2 (yellow) - 8.8 (red) |
| Water Solubility | SOLUBLE |
| λmax | 425nm |
| Major Application | Thermochromic materials, cosmetics, measurement of hydrophobicity of
therapeutic drugs |
| CAS DataBase Reference | 62625-29-0(CAS DataBase Reference) |
| EPA Substance Registry System | Cresol red sodium salt (62625-29-0) |
Safety information for Cresol Red sodium salt
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Cresol Red sodium salt
Cresol Red sodium salt manufacturer
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