Melting point :-20 °C
Boiling point :103 °C(lit.)
Density :1.49 g/mL at 25 °C(lit.)
vapor density :6.74 (vs air)
vapor pressure :35 mm Hg ( 25 °C)
refractive index :n20/D 1.5196(lit.)
Flash point :5 °F
storage temp. :2-8°C
solubility :insoluble in H2O; soluble in ethyl ether, benzene, acetone
form :Liquid Which May Contain Particulate Matter
color :Yellow-orange to brown
Specific Gravity :1.490
Water Solubility :Soluble in nickel tetracarbonyl and organic solvents. Insoluble in water
Hydrolytic Sensitivity :3: reacts with aqueous base
Sensitive :Air Sensitive
Merck :14,5099
Exposure limits :TLV-TWA: 0.1 ppm (～0.8 mg(Fe)/m³)
(ACGIH), 0.01 ppm (MSHA)
TLV-STEL: 0.2 ppm (～1.6 mg(Fe)/m³)
(ACGIH). Stability :Moisture Sensitive
LogP :3 at 25℃
CAS DataBase Reference :13463-40-6(CAS DataBase Reference)
EPA Substance Registry System :Iron pentacarbonyl (13463-40-6)

Symbol(GHS):
Signal word:
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501 H300 Fatal if swallowed Acute toxicity,oral Category 1, 2 Danger P264, P270, P301+P310, P321, P330,P405, P501 H310 Fatal in contact with skin Acute toxicity,dermal Category 1, 2 Danger P262, P264, P270, P280, P302+P350,P310, P322, P361, P363, P405, P501 H330 Fatal if inhaled Acute toxicity,inhalation Category 1, 2 Danger P260, P271, P284, P304+P340, P310,P320, P403+P233, P405, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. 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. P310 Immediately call a POISON CENTER or doctor/physician.