Melting point :1930°C
Density :6.31 g/mL at 25 °C(lit.)
solubility :insoluble in H2O; soluble in HF
form :powder
color :Dark gray
Specific Gravity :6.31
Resistivity :21.5 (ρ/μΩ.cm)
Water Solubility :Insoluble in acids and aqua regia, however, it is soluble in HF and HNO{3}Soluble in nitric acid and hydrofluoric acid. Insoluble in water most acids.
Crystal Structure :Tetragonal
Exposure limits :ACGIH: TWA 10 mg/m3; TWA 3 mg/m3
NIOSH: IDLH 5000 mg/m3 EPA Substance Registry System :Molybdenum silicide (MoSi2) (12136-78-6)

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 H312 Harmful in contact with skin Acute toxicity,dermal Category 4 Warning P280,P302+P352, P312, P322, P363,P501 H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. 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. P312 Call a POISON CENTER or doctor/physician if you feel unwell. P322 Specific measures (see …on this label). P330 Rinse mouth. P363 Wash contaminated clothing before reuse. P501 Dispose of contents/container to..…