'S e seòrsa de mheatailt throm neo-iarannach a th' ann an ingot antamonaidh, cruaidh airgid geal gleansach, crùbach. Tha dà allotrope ann, tha an caochladh buidhe seasmhach aig -90 ceum, agus 's e an caochladh meatailt an cruth seasmhach de antamonaidh.
Puing leaghaidh 630 ℃, dùmhlachd 6.62g/cm3, droch ghiùlan teas.
Cuideam lom gach ingot: 22 ± 3kg, tomhasan: 21 × 21 Bonn: 17 × 17 Àirde: 9 cm, air a phacaigeadh ann an cùisean fiodha, le cuideam lom de 1000 ± 50 kg gach cùis;
| Ìre | Susbaint neo-ghlainead ≤ |
| As | Fe | S | Cu | Se | Pb | Bi | Cd | Iomlan |
| 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 |