Ingot na Antimony wani nau'in ƙarfe ne mai nauyi wanda ba shi da ƙarfe, fari mai sheƙi da haske. Akwai allotropes guda biyu, bambancin rawaya yana da ƙarfi a ƙasa da digiri 90, kuma bambancin ƙarfe shine sifar antimony mai ƙarfi.
Wurin narkewa 630 ℃, yawa 6.62g/cm3, ƙarancin isar da zafi.
Nauyin kowanne abu: 22 ± 3kg, girma: 21 × 21 Ƙasa: 17 × 17 Tsawo: 9 cm, an lulluɓe shi a cikin akwatunan katako, tare da nauyin 1000 ± 50 kg a kowace akwati;
| Matsayi | Abubuwan da ke cikin najasa≤ |
| As | Fe | S | Cu | Se | Pb | Bi | Cd | Jimilla |
| Sb99.90 | 0.010 | 0.015 | 0.040 | 0.0050 | 0.0010 | 0.010 | 0.0010 | 0.0005 | 0.10 |
| Sb99.70 | 0.050 | 0.020 | 0.040 | 0.010 | 0.0030 | 0.150 | 0.0030 | 0.0010 | 0.30 |
| Sb99.65 | 0.100 | 0.030 | 0.060 | 0.050 | — | 0.300 | — | — | 0.35 |
| Sb99.50 | 0.150 | 0.050 | 0.080 | 0.080 | — | — | — | — | 0.50 |