Benzene

Melting point :5.5 °C (lit.)
Boiling point :80 °C (lit.)
Density :0.874 g/mL at 25 °C (lit.)
vapor density :2.77 (vs air)
vapor pressure :166 mm Hg ( 37.7 °C)
refractive index :n20/D 1.501(lit.)
Flash point :12 °F
storage temp. :room temp
solubility :Miscible with alcohol, chloroform, dichloromethane, diethyl ether, acetone and acetic acid.
pka :43(at 25℃)
form :Liquid
color :APHA: ≤10
Odor :Paint-thinner-like odor detectable at 12 ppm
Relative polarity :0.111
explosive limit :1.4-8.0%(V)
Odor Threshold :2.7ppm
Water Solubility :0.18 g/100 mL
λmax :λ: 280 nm Amax: 1.0
λ: 290 nm Amax: 0.15
λ: 300 nm Amax: 0.06
λ: 330 nm Amax: 0.02
λ: 350-400 nm Amax: 0.01 Merck :14,1066
BRN :969212
Henry's Law Constant :10.4 at 45.00 °C, 11.4 at 50.00 °C, 13.3 at 55.00 °C, 14.5 at 60.00 °C, 16.8 at 65.00 °C, 19.2 at 70.00 °C (static headspace-GC, Park et al., 2004)
Exposure limits :TLV-TWA 10 ppm (～32 mg/m³) (ACGIH and OSHA); ceiling 25 ppm (～80 mg/m³) (OSHA and MSHA); peak 50 ppm (～160 mg/m³)/10 min/8 h (OSHA); carcinogenicity: Suspected Human Carcinogen (ACGIH), Human Sufficient Evidence (IARC).
Dielectric constant :2.3（20℃）
Stability :Stable. Substances to be avoided include strong oxidizing agents, sulfuric acid, nitric acid, halogens. Highly flammable.
InChIKey :UHOVQNZJYSORNB-UHFFFAOYSA-N
LogP :2.130
CAS DataBase Reference :71-43-2(CAS DataBase Reference)
IARC :1 (Vol. 29, Sup 7. 100F, 120) 2018
NIST Chemistry Reference :Benzene(71-43-2)
EPA Substance Registry System :Benzene (71-43-2)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501 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 H340 May cause genetic defects Germ cell mutagenicity Category 1A, 1B Danger H350 May cause cancer Carcinogenicity Category 1A, 1B Danger H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 1 Danger P260, P264, P270, 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. 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.