Melting point :-34 °C
Boiling point :137-140 °C (lit.)
Density :0.86 g/mL at 25 °C (lit.)
vapor density :3.7 (vs air)
vapor pressure :18 mm Hg ( 37.7 °C)
refractive index :n20/D 1.497(lit.)
Flash point :77 °F(lit.)
storage temp. :Flammables area
solubility :Chloroform (Soluble), Methanol (Slightly)
form :Liquid
color :APHA: ≤10
Odor :char. sweet odor
explosive limit :7%
Water Solubility :<0.1 g/L (20 ºC)
Merck :14,10081
BRN :1901563
Exposure limits :ACGIH: TWA 100 ppm; STEL 150 ppm
OSHA: TWA 100 ppm(435 mg/m3) Dielectric constant :10.0（Ambient）
Stability :Volatile, flammable and its vapors form explosive mixtures with air at room temperature.
InChIKey :KAKOUNRRKSHVJO-UHFFFAOYSA-N
LogP :3.16 at 20℃
CAS DataBase Reference :1330-20-7(CAS DataBase Reference)
IARC :3 (Vol. 47, 71) 1999
EPA Substance Registry System :Xylene (1330-20-7)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H226 Flammable liquid and vapour Flammable liquids Category 3 Warning H304 May be fatal if swallowed and enters airways Aspiration hazard Category 1 Danger 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 H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501 H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P331 Do NOT induce vomiting.