Technical Data Sheet
Chromotropic acid disodium salt dihydrate, 25 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
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
€130.10/Pack Qty.
excl. VAT. | 25 g per Pack Qty.
Art. No. KK30.2
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€123.60/Pack Qty.
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€117.09/Pack Qty.
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| Art. No. | Pack Qty. | Pack. | Price | Quantity | |
|---|---|---|---|---|---|
| KK30.1 | 10 g | glass |
€71.50 |
|
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| KK30.2 | 25 g | glass |
€130.10 |
|
|
|
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Downloads / MSDS
General information
Indicators and Dyes
Carl ROTH offers many indicators and dyes of high purity, which can be used in special applications.
Certificates of Analysis
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 formaldehyde | complies |