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S300145 | Calcon Carboxylic Acid

3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo) naphthalene-2-carboxylic acid3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo) naphthalene-2-carboxylic acid

CAS Number: 3737-95-9
Formula: C₂₁H₁₄N₂O₇S
F.W: 438.41

Specifications

Solubility 0.1% (95%EtOH).....................................................................................Clear Yellow Solution

Absorptivity 1%/1cm,

(pH 8.8) at λ max.573.0 nm >1000......................................................................>1000
(pH 6.5) at λ max.435.0 nm....................................................................................>490

Loss on Drying at 110°C (1hr)................................................................................<3%

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