Melting point :-48 °C (lit.)
Boiling point :138-139 °C (lit.)
Density :0.868 g/mL at 25 °C (lit.)
vapor density :3.7 (vs air)
vapor pressure :16 mm Hg ( 37.7 °C)
refractive index :n20/D 1.497(lit.)
Flash point :77 °F
storage temp. :2-8°C
solubility :Miscible with many organic solvents, including alcohol and ether
form :Liquid
pka :>15 (Christensen et al., 1975)
color :Colorless
Odor :Like benzene; characteristic aromatic.
Odor Threshold :0.041ppm
explosive limit :1.1-7%(V)
Water Solubility :Miscible with organic solvents. Immiscible with water.
Merck :14,10081
BRN :605441
Henry's Law Constant :14.80 at 45.00 °C, 17.26.4 at 50.00 °C, 19.90 at 55.00 °C, 23.01.3 at 60.00 °C, 27.46.3 at 70.00 °C (static headspace-GC, Park et al., 2004)
Exposure limits :NIOSH REL: 100 ppm (435 mg/m³), STEL 150 ppm (655 mg/m³), IDLH 900 ppm; OSHA PEL: TWA 100 ppm; ACGIH TLV: TWA 100 ppm, STEL 150 ppm (adopted).
Dielectric constant :2.3999999999999999
InChIKey :IVSZLXZYQVIEFR-UHFFFAOYSA-N
LogP :3.16 at 20℃
CAS DataBase Reference :108-38-3(CAS DataBase Reference)
NIST Chemistry Reference :Benzene, 1,3-dimethyl-(108-38-3)
EPA Substance Registry System :m-Xylene (108-38-3)

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 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.