Melting point :-17 °C (lit.)
Boiling point :178-180 °C (lit.)
Density :1.341 g/mL at 25 °C (lit.)
refractive index :n20/D 1.5509(lit.)
Flash point :150 °F
storage temp. :0-6°C
solubility :Acetone (Soluble), Chloroform (Slightly)
form :Liquid
color :Clear colorless
explosive limit :2.2-12%(V)
Water Solubility :Insoluble in water
BRN :1950096
CAS DataBase Reference :2199-69-1(CAS DataBase Reference)
EPA Substance Registry System :1,2-Dichlorobenzene-d4 (2199-69-1)

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 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 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 H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P273 Avoid release to the environment. 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. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.