Description
1,2-Diaminobenzene; 1,2-Phenylenediamine; OPD
| CAS | 95-54-5 |
| Molecular Formula | C6H4(NH2)2 |
| Molecular Weight | 108.14 |
| Shelf Life | 60 Months |
| Physical Properties | |||
| Physical State at 20 °C | Solid | Colour | Brownish yellow |
| Odour | Acetic odor | pH Value | 8.7 |
| Melting Point/ Freezing Point [°C] | 100 – 102 °C | Flash Point [°C] | 136 °C |
| Boiling Point [°C] | 256 – 258 °C | Initial Boiling Point [°C] | 256 °C |
| Final Boiling Point [°C] | 258 °C | Vapour Pressure Mm/Hg | 0.01 mm Hg @ 250C |
| Density [g/cm3] | 1.03 | Solubility in Water [% weight] | Soluble in water |
| Partition Coefficient Log POW Octanol / Water at 20°C | 0.15 | Explosion Limits -Lower [%] | 1.50% |
| Specifications | |||
| Appearance | White to brown yellow flakes / crystalline powder. | Assay | Min 98% |
| Melting Point | 101 – 103 °C | Sulphated Ash | Max 0.1% |
| Dangerous Goods Information | |||
| UN Number | 1673 | DG Class | 6.1 |
| Safety Information & Hazard Symbols | |
| Symbol | GHS06, GHS08, GHS09 |
| Signal Word | Danger |
| Hazard Statement | H301-H312-H317-H319-H332-H341-H351-H410 |
| Precaution Statement | P273-P280-P301 + P310-P305 + P351 + P338-P501 |















