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XYLENOL ORANGE AR

Suitable for use in EDTA zinc titration. This substance has been specifically tested for its Suitability in EDTA-zinc titrations.
o-Cresolsulfonphthalein-3'-3-bis(methyliminodiacetic acid sodium salt)

COAs

Packings

5 g (00005)

10 g (00010)

1GBA000015 1GBA000015
Print friendly version
Article No. 06507 Grade AR
Purity CAS No. 3618-43-7
Molecular Formula C31H28N2O13SNa4 Molecular Weight 760.59
H.S. Code 2934.9990 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour Brown powder
Odour Odorless Melting point/ Freezing point [°C] 195 °C
Flash point [°C] 93.3°C Solubility in water [% weight] Soluble in water

Specifications

Appearance Red-brown to dark brown crystalline powder Solubility (0.1% in 0.1 N NaOH) Clear reddish to violet
Absorption maxima (0.1N NaOH) 575 - 585 nm Absorptivity (A 1%/1cm; at λmax) Min 550
Loss on drying (at 105°C; 1 hr) Max 7% Sensitivity for Zinc Passes test
Revision Date: 08-Jul-2020

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