Rhodamine B base CAS 509-34-2

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CAS: 509-34-2

MF: C₂₈H₃₀N₂O₃

MW: 442.56

Pictograms
Signal word	Danger
Hazard statements	H302: Harmful if swallowed H315: Causes skin irritation H318: Causes serious eye damage 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. P301+P312: IF SWALLOWED: call a POISON CENTER/doctor/... IF you feel unwell. 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 2
SDS Version	3.0

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Physical Description	Pink or red powder or crystals
Solubility (0.1% in ethanol)	Clear, dark red or pink-orange solution
Wavelength of Maximum Absorption (λmax)	542 - 546 nm (2.5mg/L, MeOH)
Extinction Coefficient	≥ 103,000 (at λmax)
Assay	≥ 97.0%
Specification Version	1.0

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