SPADNS

Stains Indicator Reagents-69

SPADNS

Part No. RXSOL-69-2364-714

SPADNS excellent quality manufacturer, exporter and supplier. SPADNS (4,5-Dihydroxy-3-(p-sulfophenylazo)-2,7-naphthalene disulfonic acid, trisodium salt) is indicator for zirconium, thorium and colorimetric indicator for fluoride.

SPADNS

Key details

Part number RXSOL-69-2364-714
Supply locations SPADNS manufacturer supplier distributor in Mumbai, Kandla, Kolkata, Vizag, Chennai, India, Fujairah, Dubai, Sharjah, UAE, Gulf, Middle East, Muscat Oman, Kenya Africa. Get the best quality of SPADNS at a competitive price from us. We have ready stock of SPADNS in India, UAE Gulf, Oman, Kenya Africa. Contact us for bulk as well as small orders.
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SPADNS excellent quality manufacturer, exporter and supplier. SPADNS (4,5-Dihydroxy-3-(p-sulfophenylazo)-2,7-naphthalene disulfonic acid, trisodium salt) is indicator for zirconium, thorium and colorimetric indicator for fluoride.

C.A.S. No. 23647-14-5
M.F. C16H9N2Na3O11S3
M.W. 570.42gm/mole

Specifications:

Dye Content (by Spectrophotometry) >80%
Solubility 0.1% (Dist. water) Clear solution
Absorption Maximum (water, at pH 7.0)?max 505-510nm
Absorptivity (A1%/1cm in Dist. water, at pH 7.0 at ?max) >375
Loss on drying (110°C) 10%

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