Tropaeolin OO CAS 554-73-4

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CAS: 554-73-4

MF: C₁₈H₁₄N₃NaO₃S

MW: 375.38

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+P350: IF ON SKIN: Gently wash with plenty of soap and 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	Orange powder
Solubility (0.1% in 50% EtOH)	Clear solution
pH Transition Range	1.4 - 2.6 (red to yellow)
Wavelength of Maximum Absorption (λmax)	440 - 450 nm (in water)
Absorptivity (1%/1cm)	≥ 400 (at λmax)
Loss on Drying	≤ 5.0%
Specification Version	1.0

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