Phenol Red sodium salt CAS 34487-61-1

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CAS: 34487-61-1

MF: C₁₉H₁₃NaO₅S

MW: 376.37

Pictograms
Signal word	Warning
Hazard statements	H315: Causes skin irritation H319: Causes serious eye irritation H335: May cause respiratory irritation H336: May cause drowsiness or dizziness
Precautionary statements	P261: Avoid breathing dust/fume/gas/mist/vapors/spray. P280: Wear protective gloves/protective clothing/eye protection/face protection. P302+P352: IF ON SKIN: wash with plenty of water. P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do - continue rinsing.
Supplementary EUH statements
UN Number	-
WGK	WGK 3
SDS Version	3.0

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Physical Description	Red to brown powder
Solubility (0.1% in water)	Clear, red solution
pH Transition Range	6.5 - 8.2 (yellow to purple)
Wavelength of Maximum Absorption (λmax)	420.0 - 426.0 nm
Absorptivity (1%/1cm)	≥ 505 (in methanol, at λmax)
Loss on Drying	≤ 5.0% (110°C, 1h)
Dye Content	≥ 90.0% (spectrophotometry)
Specification Version	1.1

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