Fenolrött natriumsalt, pulver, Bioreagent cell culture reagent, Sigma-Aldrich®

Leverantör: SIGMA-ALDRICH MICROSCOPY
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Synonyms: 3,3-Bis(4-hydroxyphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide, sodium salt, Phenol red water soluble, Sodium hydrogen 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bisphenolate S,S-dioxide

M-Clarity™ quality level = MQ200

P5530-25G P5530-50G P5530-5G
P5530-25GEA 1880 SEK
P5530-25G P5530-50G P5530-5G
Fenolrött natriumsalt, pulver, Bioreagent cell culture reagent, Sigma-Aldrich®
Fenolrött natriumsalt

Phenol Red Sodium Salt (PRSS) is a water-soluble anionic fluorescent dye, that possesses an extra Na ion attached with the SO3 group compared to phenol red. It is intended for use in cell culture applications. A solution of phenol red will have a yellow color at a pH of 6,4 or below and a red color at a pH of 8,2 and above.


The sodium salt of phenol red is used widely in culture media to identify changes from neutral to acidic pH values and as a pH marker for cell tissue culture. It is typically used in cell culture media at 11 mg/L. Phenol red in tissue culture media can act as a weak estrogen, especially in human breast cancer cells. PRSS plays a role as an indicator in the process of dying cells or overgrowth of cells in different mediums. Suitable for use as a pH indicator.

Formel: C₁₉H₁₃NaO₅S
MW: 376,35 g/mol
Smältpunkt: 285 °C (dec., lit.)
Storage Temperature: Room Temperature
MDL Number: MFCD00066901
CAS nummer: 34487-61-1
EINECS: 252-057-8
Merck Index: 12,07397
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Specifikation testresultat

Appearance (Colour) Red to Very Dark Red and Red-Brown and Brown-Red
Appearance (Form) Powder
Infrared spectrum Conforms to Structure
Solubility (Turbidity), 1 mg/ml, H₂O Clear
Suitability, Suitable for use as a pH indicator Pass
Visual Interval, pH 6.8 Yellow Pass
Visual Interval, pH 7.0 Orange Pass
Visual Interval, pH 8.2 Red Pass
Cell Culture Test Pass
Insect Cell Test Pass
Recommended Retest Period 5 Years

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