Chlorophenol Red sodium salt CAS 123333-64-2

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CAS: 123333-64-2

MF: C₁₉H₁₁Cl₂NaO₅S

MW: 445.26

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	-
SDS Version	3.0

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Physical Description	Red to dark brown crystalline powder
Identification (IR)	To conform to standard
Solubility (0.1% in water)	Clear, red solution
pH Transition Range	~4.6 to ~6.4 (yellow to violet-red/purple)
Wavelength of Maximum Absorption (λmax)	572 - 578 nm
UV-VIS Absorption	≥ 22000 (0.01g/L, water, at λmax)
Loss on Drying	≤ 10.0%
Specification Version	1.0