SPADNS (COMPLEXOMETRIC INDICATOR)*

SPADNS (COMPLEXOMETRIC INDICATOR) SPADNS (COMPLEXOMETRIC INDICATOR)
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
S0194100001 AR 23647-14-5 C16H9N2Na3O11S3 570.42 2927.0090
60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

Brownish crystalline

Solubility in water [% weight]

Soluble in water

Specifications

Appearance:

 Brownish crystalline powder

Loss on drying (at 105°C) :

 Max 10%

Suitability (as metal indicator):

 Passes test

Absorption maxima at pH 7.0:

 505 - 510 nm

Safety Information and Hazard Symbols

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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