P-XYLENE

Melting point :12-13 °C (lit.)
Boiling point :138 °C (lit.)
Density :0.861 g/mL at 20 °C (lit.)
vapor density :3.7 (vs air)
vapor pressure :9 mm Hg ( 20 °C)
refractive index :n20/D 1.495(lit.)
Flash point :77 °F
storage temp. :Store at +5°C to +30°C.
solubility :water: soluble0.2g/L
form :Liquid
pka :>15 (Christensen et al., 1975)
color :Colorless
Relative polarity :0.074
Odor :Like benzene; characteristic aromatic.
Odor Threshold :0.058ppm
explosive limit :1.1-7%(V)
Water Solubility :Miscible with alcohol, ether, acetone, benzene and chloroform. Immiscible with water.
Thermal Conductivity :0.1202 W/(m·K) at 25 ℃
λmax :λ: 294 nm Amax: 1.00
λ: 320 nm Amax: 0.10
λ: 350 nm Amax: 0.05
λ: 380-400 nm Amax: 0.01 Merck :14,10081
BRN :1901563
Henry's Law Constant :16.1 at 45.00 °C, 18.6 at 50.00 °C, 20.3 at 55.00 °C, 23.4 at 60.00 °C, 30.5 at 70.00 °C (static headspace-GC, Park et al., 2004)
Dielectric constant :2.6（20℃）
Exposure limits :TLV-TWA100 ppm (～434 mg/m³) (ACGIH, MSHA, and OSHA); STEL 150 ppm (～651 mg/m³) (ACGIH); ceiling 200 ppm/ 10 min (NIOSH); IDLH 1000 ppm (NIOSH).
Stability :Stable. Incompatible with oxidizing agents. Hygroscopic. Flammable.
Major Application :environmental
InChI :1S/C8H10/c1-7-3-5-8(2)6-4-7/h3-6H,1-2H3
InChIKey :URLKBWYHVLBVBO-UHFFFAOYSA-N
SMILES :Cc1ccc(C)cc1
LogP :3.16 at 20℃
Surface tension :28.11mN/m at 298.15K
CAS DataBase Reference :106-42-3(CAS DataBase Reference)
EPA Substance Registry System :p-Xylene (106-42-3)
ECETOC JACC REPORT :P-XYLENE (106-42-3)

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 H303 May be harmfulif swallowed Acute toxicity,oral Category 5 P312 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 H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312 H336 May cause drowsiness or dizziness Specific target organ toxicity,single exposure; Narcotic effects Category 3 Warning P261, P271, P304+P340, P312,P403+P233, P405, P501 H360 May damage fertility or the unborn child Reproductive toxicity Category 1A, 1B Danger H371 May cause damage to organs Specific target organ toxicity, single exposure Category 2 Warning P260, P264, P270, P309+P311, P405,P501 H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
Precautionary statements:	P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 Keep container tightly closed. P240 Ground/bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting/…/equipment. P242 Use only non-sparking tools. P243 Take precautionary measures against static discharge. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. 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. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P331 Do NOT induce vomiting. P332+P313 IF SKIN irritation occurs: Get medical advice/attention. P337+P313 IF eye irritation persists: Get medical advice/attention. P370+P378 In case of fire: Use … for extinction. P391 Collect spillage. Hazardous to the aquatic environment P403+P233 Store in a well-ventilated place. Keep container tightly closed. P403+P235 Store in a well-ventilated place. Keep cool. P405 Store locked up. P501 Dispose of contents/container to..…