Melting point :−94 °C(lit.)
Boiling point :229-233 °C(lit.)
Density :0.938 g/mL at 25 °C(lit.)
vapor pressure :52 mm Hg ( 37.7 °C)
refractive index :n20/D 1.492(lit.)
Flash point :200 °F
storage temp. :Store below +30°C.
form :Liquid
color :Clear colorless to very slightly brown
Odor :sulfurous
Odor Type :sulfurous
explosive limit :0.8%(V)
Odor Threshold :0.00021ppm
Water Solubility :Immiscible
BRN :1735184
LogP :5.207 (est)
CAS DataBase Reference :629-45-8(CAS DataBase Reference)
NIST Chemistry Reference :Disulfide, dibutyl(629-45-8)
EPA Substance Registry System :Disulfide, dibutyl (629-45-8)

Symbol(GHS):
Signal word:	Warning
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 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. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.