Chromotropic acid disodium salt dihydrate
| Name: Chromotropic acid disodium salt dihydrate |
| Grade: Laboratory |
| Application: Spectroscopy, Clinical |
| Synonyms: 4,5-Dihydroxy -2,7 naphthalene disulfonic acid sodium salt |
| CAS Number: 5808-22-0 EC Number: 204-972-9 Molar Mass: 400.30 g/mol Chemical Formula: C10H6Na2O8S2 .2H2O |
| Download: Datasheet | CoA | SDS |
General information
General information
| Chemical formula: C10H6Na2O8S2 .2H2O | Molar Mass: 400.30 g/mol |
| Appearance: Greyish white to greyish brown powder | Bulk density: ̴ 0.8 g/cm3 |
| Solub. in water: Freely soluble | pH Value: Acidic |
| Melting point: > 300 °C | Storage temp.: Lab. condition |
| R: N/A | S: N/A |
| HS-No.: 2908 99 10 | EC Number: 204-972-9 |
Specification
Specification
| Identification | Conforms | ||
| Description | Conforms | ||
| Appearance of solution | Conforms | ||
| Loss on drying | 8.5 – 9.5 | % | |
| Assay (Acid-base titration) | ≥ | 98.0 | % |
Ordering code
Ordering code
| Ordering code | 10 g | 25 g | 50 g | 100 g | 250 g |
| P.E. | |||||
| Glass | 302.05.00025.01 |
Hazard symbol
Hazard symbol
| Hazard Symbol |
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