Auramine O (C.I. 41000) CAS 2465-27-2

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CAS: 2465-27-2

MF: C₁₇H₂₁N₃ · HCl

MW: 303.84

Pictograms
Signal word	Danger
Hazard statements	H302: Harmful if swallowed H311: Toxic in contact with skin H351: Suspected of causing cancer
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. P302+P352: IF ON SKIN: wash with plenty of water. P308+P313: IF exposed or concerned: Get medical advice/attention.
Supplementary EUH statements
UN Number	UN2811 - 6.1 - PG III
WGK	WGK 3
SDS Version	3.0

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Physical Description	Yellow powder
Solubility (0.1% in ethanol)	Clear to slightly turbid, yellow to dark yellow solution
Wavelength of Maximum Absorption (λmax)	430.0 - 440.0 nm
Absorption Ratio (λmax ± 15nm)	1.0 - 1.45
Specific Absorption (E1%/1cm)	≥ 1000 (at λmax)
Water	≤ 10.0%
Dye Content	≥ 80%
Specification Version	1.1