Phenol red sodium salt dye pH-indicator, Sigma-Aldrich®
Supplier: SIGMA-ALDRICH MICROSCOPYTotal Ratings: 0
Avg. Ratings: 0.0 out of 5
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Warning
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Synonyms:
Sodium hydrogen 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bisphenolate S,S-dioxide
, Phenol red water soluble
, 3,3-Bis(4-hydroxyphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide, sodium salt
M-Clarity™ quality level = MQ200
Phenol Red sodium salt is widely used as a pH indicator. At a pH of 6,4 and below, phenol red solution will have a yellow colour. At a pH of 8,2 and above, it will have a red colour. It is commonly used in culture media to detect neutral to acidic pH changes.
- Phenol Red sodium salt has been used as an indicator during single-guide RNA microinjection into one-cell stage zebrafish embryos
- Suitable for use as a pH indicator
Formula:
C₁₉H₁₃NaO₅S MW: 376.35 g/mol Melting Pt: 285 °C (dec., lit.) Storage Temperature: Room Temperature |
MDL Number:
MFCD00066901 CAS Number: 34487-61-1 EINECS: 252-057-8 Merck Index: 12,07397 |
Specification Test Results
Appearance (Colour) | Red to Brown |
Appearance (Form) | Powder |
Infrared spectrum | Conforms to Structure |
Solubility (Colour) | Dark Red |
Solubility (Form), 1 mg/ml, H₂O | Solution |
pH Pass | 6.8 (Yellow) to 8.2 (Red) |
Recommended Retest Period | 5 Years |
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