Melting point :6 °C
Boiling point :67-69 °C11 mm Hg(lit.)
Density :3.325 g/mL at 25 °C(lit.)
vapor density :9.25 (vs air)
refractive index :1.737
Flash point :181°C
storage temp. :Store below +30°C.
solubility :0.8g/l
form :Liquid
Specific Gravity :3.325
color :deep yellow
Water Solubility :14 g/L (20 ºC)
Sensitive :Light Sensitive
Merck :14,6066
BRN :1696892
Dielectric constant :5.3（-4℃）
Stability :Stable. Incompatible with strong oxidizing agents, strong bases. Reacts violently with alkali metal salts. May discolour on exposure to light.
Surface tension :50.8mN/m at 20°C
CAS DataBase Reference :75-11-6(CAS DataBase Reference)
NIST Chemistry Reference :Methane, diiodo-(75-11-6)
EPA Substance Registry System :Methylene iodide (75-11-6)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes 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 H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312 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. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.