4-(4-Nitrophenylazo)resorcinol CAS 74-39-5

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CAS: 74-39-5

MF: C₁₂H₉N₃O₄

MW: 259.22

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	Orange to red or dark red-brown powder
Wavelength of Maximum Absorption (λmax)	439.0 - 445.0 nm (5mg/L, methanol)
Absorbance	≥ 0.60 (5mg/L, methanol, λmax)
Specification Version	1.0

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