Barium

Melting point :725 °C(lit.)
Boiling point :1640 °C(lit.)
Density :3.6 g/mL at 25 °C(lit.)
storage temp. :water-free area
solubility :reacts with H2O; slightly soluble in ethanol
form :rod
color :Silver-gray
Specific Gravity :3.51
PH :0.5 (20°C in H2O)
Flame Color :Light apple green
Resistivity :50.0 μΩ-cm, 20°C
Water Solubility :soluble with H2 evolution in cold H2O and hot H2O; slightly soluble alcohol; insoluble benzene [CRC10]
Electrical Conductivity :2.9× 10⁶S/m
Thermal Conductivity :18 W/(m·K)
Specific Heat Capacity :Cp(crystal): 0.2 J/(g·K); Cp(gas): 0.15 J/(g·K), at 25℃
Sensitive :air sensitive, moisture sensitive
Merck :13,967
Exposure limits :ACGIH:TLV-TWA 0.5 mg/m3,as Ba
OSHA:PEL-TWA 0.5 mg/m3
NIOSH:REL-TWA 0.5 mg/m3 Stability :Stability Reacts vigorously or violently with acids, water, tetrachloromethane, small halogenated hydrocarbons. Should be stored under an inert material such as petroleum ether to exclude air. Flammable.
InChI :1S/Ba
InChIKey :DSAJWYNOEDNPEQ-UHFFFAOYSA-N
SMILES :[Ba]
Bulk Modulus :10.2 GPa
Modulus of Elasticity :12.8 GPa
Poissons Ratio :0.28
Shear Modulus :5.00 GPa, Calculated
CAS DataBase Reference :7440-39-3(CAS DataBase Reference)
EPA Substance Registry System :Barium (7440-39-3)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H228 Flammable solid Flammable solids Category 1 Category 2 Danger Warning P210, P240,P241, P280, P370+P378 H260 In contact with water releases flammable gases which may ignite spontaneously Substances And Mixtures Which, In Contact With Water,Emit Flammable Gases Category 1 Danger P223, P231+P232, P280, P335+ P334,P370+P378, P402+P404, P501 H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501 H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P223 Keep away from any possible contact with water, because of violent reaction and possible flash fire. P231+P232 Handle under inert gas. Protect from moisture. P240 Ground/bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting/…/equipment. P260 Do not breathe 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. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. 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. P310 Immediately call a POISON CENTER or doctor/physician. P330 Rinse mouth. P363 Wash contaminated clothing before reuse. P370+P378 In case of fire: Use … for extinction. P402+P404 Store in a dry place. Store in a closed container. P405 Store locked up. P501 Dispose of contents/container to..…