TUNGSTEN SILICIDE

Melting point :2165°C
Density :9,88 g/cm³
solubility :insoluble in H2O
form :Powder
Specific Gravity :9.88
color :blue-gray tetragonal crystals, crystalline
Resistivity :33.4 (ρ/μΩ.cm)
Water Solubility :Insoluble in water.
Hydrolytic Sensitivity :2: reacts with aqueous acid
Crystal Structure :Tetragonal
Exposure limits :ACGIH: TWA 3 mg/m3
NIOSH: TWA 5 mg/m3; STEL 10 mg/m3 CAS DataBase Reference :12039-88-2
EPA Substance Registry System :Tungsten silicide (WSi2) (12039-88-2)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352 IF ON SKIN: wash with plenty of soap and water. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.