Physical Properties
| Physical state at 20 °C | Solid | Odour | Odorless |
| Melting point/ Freezing point [°C] | 550 °C | Solubility in water [% weight] | Soluble in 500 parts water |
| Density [g/cm3] | 1 |
Packings
100g
25g
Safety Information and Hazard Symbols
Symbol: GHS06
Signal Word: Danger
UN No.: 3143
IMCO Class No.: 6.1
Packing Group: III
Hazardous Statement: H301
Precaution Statement: P301 + P310
Signal Word: Danger
UN No.: 3143
IMCO Class No.: 6.1
Packing Group: III
Hazardous Statement: H301
Precaution Statement: P301 + P310
Specifications
| Appearance | Yellowish-orange colored powder |
| Identity (IR) | Conforms to structure |
| Solubility (0.1 % in water) | Clear (passes ACS test) |
| Visual transition range | from pH 3.2 (pink or red) to pH 4.4 (yellow-orange) |
| Absorption | maxima in 0.01 N NaOH 461 to 469 nm |
- توجه :