102498
Chromotropic acid disodium salt dihydrate
for analysis ACS,Reag. Ph Eur
For general questions please contact our Customer Service:
Merck KGaA
Frankfurter Str. 250
64293 Darmstadt
Germany
Phone: +49 6151 72-0
Fax: +49 6151 72 2000
21 May 2013
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| Product information | |||
|---|---|---|---|
| Grade | ACS,Reag. Ph Eur | ||
| Synonyms | 4,5-Dihydroxy-2,7-naphthalene disulfonic acid sodium salt | ||
| Hill Formula | C10H6Na2O8S2 * 2 H2O | ||
| HS Code | 2908 99 00 | ||
| EC number | 204-972-9 | ||
| Molar mass | 400.30 g/mol | ||
| CAS number | 5808-22-0 | ||
| Chemical and physical data | |||
|---|---|---|---|
| Solubility | 170 g/l (20 °C) | ||
| Melting point | >300 °C | ||
| Molar mass | 400.30 g/mol | ||
| Bulk density | 780 kg/m3 | ||
| pH value | 3.6 (10 g/l, H2O, 20 °C) | ||
| Safety information | |||
|---|---|---|---|
| Storage class | 10 - 13 Other liquids and solids | ||
| WGK | WGK 1 slightly water endangering | ||
| Disposal |
3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. |
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| Transport information | |||
|---|---|---|---|
| Declaration (railroad and road) ADR, RID | Kein Gefahrgut | ||
| Declaration (transport by sea) IMDG-Code | No Dangerous Good | ||
| Declaration (transport by air) IATA-DGR | No Dangerous Good | ||
