The WorkSafe website will be unavailable on Tuesday 16 September from 12pm–5pm due to planned maintenance.
Our other online services, including the online services portal(external link) and Energy Safety portal(external link), will remain available.
To notify us of an injury, illness or incident at work, visit our online services portal(external link). For urgent notifications, please call us on 0800 030 040. For general or non-urgent enquiries, email us at info@worksafe.govt.nz.
Selenium and compounds, as Se
CAS numbers: 7782-49-2
Silica fume
CAS numbers: 69012-64-2
Silica fused
CAS numbers: 60676-86-0
Silica-Amorphous
Alternative names: diatomaceous earth (not calcined), glass
CAS numbers: 61790-53-2
Silica-Amorphous, Precipitated silica
CAS numbers: 112926-00-8
Silica-Amorphous, Silica gel
CAS numbers: 63231-67-4
Silica-Crystalline (all forms)
Alternative names: quartz
, alpha quartz
, cristobalite
, tripoli
, tridymite
, alpha quartz
, cristobalite
, tripoli
, tridymite
CAS numbers:
Silicon
CAS numbers: 7440-21-3
Silicon carbide
CAS numbers: 409-21-2
Silver metal
CAS numbers: 7440-22-4
Silver, Soluble compounds, as Ag
CAS numbers: 14701-21-4
Soapstone
CAS numbers:
Sodium azide
CAS numbers: 26628-22-8
Sodium bisulphite
CAS numbers: 7631-90-5
Sodium cyanide, as CN
CAS numbers: 143-33-9
Sodium disulphite
Alternative names: sodium metabisulphite, sodium pyrosulphite
CAS numbers: 7681-57-4
Sodium fluoroacetate (1080)
CAS numbers: 62-74-8
Sodium hydroxide
CAS numbers: 1310-73-2
Stearates
CAS numbers:
Strychnine
CAS numbers: 57-24-9
Subtilisins (Proteolytic enzymes, as 100% pure crystalline enzyme)
Alternative names: enzyme
CAS numbers: 1395-21-7, 9014-01-1
Sucrose
CAS numbers: 57-50-1
Sulphur dioxide
CAS numbers: 7446-09-5
Sulphur hexafluoride
CAS numbers: 2551-62-4
Sulphur monochloride
CAS numbers: 10025-67-9
Sulphuric acid
CAS numbers: 7664-93-9
Sulphuryl fluoride
CAS numbers: 2699-79-8
Synthetic mineral fibres
Alternative names: mineral wool fibre, man-made mineral fibres, smf, glass, fibrous or dust, fibrous glass dust
CAS numbers:
Last updated