| Description | |
|---|---|
| Catalogue Number | 106762 |
| Synonyms | 2,2-Dihydroxy-1,3-dioxohydrindene, 2,2-Dihydroxy-1,3-indandione, Indantrione hydrate, Triketohydrindene hydrate |
| Product Information | |
|---|---|
| CAS number | 485-47-2 |
| EC number | 207-618-1 |
| Grade | ACS,Reag. Ph Eur |
| Hill Formula | C₉H₆O₄ |
| Molar Mass | 178.15 g/mol |
| HS Code | 2914 40 90 |
| Structure formula Image | |
| Applications | |
|---|---|
| Application | Ninhydrin GR for analysis ACS,Reag. Ph Eur. CAS 485-47-2, pH 4.6 - 5.0 (10 g/l, H₂O, 20 °C). |
| Physicochemical Information | |
|---|---|
| Melting Point | 250 - 258 °C (decomposition) |
| pH value | 4.6 - 5.0 (10 g/l, H₂O, 20 °C) |
| Bulk density | 680 kg/m3 |
| Solubility | 20 g/l |
| Toxicological Information | |
|---|---|
| LD 50 oral | LD50 Rat 600 mg/kg |
| Safety Information according to GHS | |
|---|---|
| Hazard Pictogram(s) |  |
| Hazard Statement(s) | H302: Harmful if swallowed. H315: Causes skin irritation. H319: Causes serious eye irritation. |
| Precautionary Statement(s) | P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. |
| Storage class | 10 - 13 Other liquids and solids |
| WGK | WGK 2 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. |
| Safety Information | |
|---|---|
| Hazard Symbols |  Harmful |
| Categories of danger | harmful, irritant |
| R Phrase | R 22-36/37/38 Harmful if swallowed.Irritating to eyes, respiratory system and skin. |
| Storage and Shipping Information | |
|---|---|
| Storage | Store at +15°C to +25°C. |
| Specifications | |
|---|---|
| Identity (IR-spectrum) | conforms |
| Appearance | White to yellow or brownish white crystalline powder or crystals. |
| Solubility (10 g/l, water) | conforms |
| Melting point | about 250 |
| Suitability for amino acid analysis | conforms |