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Chromotropic acid disodium salt dihydrate, 10 g

≥98,5 %, p.a., ACS
Pack Qty.
Pack.
4,5-Dihydroxy-2,7-naphthalene disulphonic acid sodium salt
Empirical formula C10H6Na2O8S2 · 2 H2O
Molar mass (M) 400,30 g/mol
Melting point (mp) >300 °C
WGK 1
CAS No. [5808-22-0]
EG-Nr. 204-972-9

Reagents for silver, boron, chrome, mercury, titanium, chromate, formaldehyde, nitrile and nitrate.

Guarantee analysis

€34.90/Pack Qty. 

excl. VAT. | 10 g per Pack Qty.

Art. No. KK30.1

In stock
Free of shipping costs from 125 €
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from 6 Pack Qty. €33.16/Pack Qty.
from 24 Pack Qty. €31.41/Pack Qty.
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Chromotropic acid disodium salt dihydrate
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KK30.1 10 g glass €34.90
KK30.2 25 g glass €74.90
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Guarantee analysis

Assay (titr.)≥98,5 %  
Water (KF)8,5-9,5 %  
Appearance of solution (5 % in H2O )clear solution  
Suitability for determination of nitrate and formaldehydecomplies  

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