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Hydroxy naphthol blue disodium salt, 5 g

p.a., ACS
Examples of effect: Lead to damage to heath, cause irritation to eyes, skin or respiratory organs. Are fatal in larger quantities. Safety: As previously stated, in the event of skin irritation or contact with eyes, rinse with water or a suitable medium.
Warning
H319
i causes serious eye irritation
P305+P351+P338 P337+P313
i IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing, if eye irritation persists: Get medical advice/attention
Pack Qty.
Pack.
2,2'-Dihydroxy-1,1'-azonaphthalene-3',4,6'-trisulfonic acid disodium salt
Empirical formula C20H12N2Na2O11S3
Molar mass (M) 598,50 g/mol
Density (D) 2,13 g/cm³
Melting point (mp) 274 °C
WGK 1
CAS No. [165660-27-5]

Indicator, microspcopy
Dissolve 0.1 g in 100 ml water

Guarantee analysis

€21.00/Pack Qty. 

excl. VAT. | 5 g per Pack Qty.

Art. No. 2556.1

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from 24 Pack Qty. €18.90/Pack Qty.
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Hydroxy naphthol blue disodium salt p.a., ACS

Technical Information
Determination of Ca 
Hydroxy naphthol blue disodium salt
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2556.1 5 g glass €21.00
2556.2 25 g glass €42.90
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Guarantee analysis

Appearancedark blue crystals  
Loss on drying≤6 %  
Suitable for calcium determinationcomplies  

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