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.) |
Fp |
12 °F |
storage temp. |
0-6°C |
solubility |
Miscible with alcohol, chloroform, dichloromethane, diethyl ether, acetone and acetic acid. |
pka |
43(at 25℃) |
form |
Liquid |
color |
APHA: ≤10 |
Relative polarity |
0.111 |
Odor |
Paint-thinner-like odor detectable at 12 ppm |
explosive limit |
1.4-8.0%(V) |
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). |
Stability: |
Stable. Substances to be avoided include strong oxidizing agents, sulfuric acid, nitric acid, halogens. Highly flammable. |
CAS DataBase Reference |
71-43-2(CAS DataBase Reference) |
NIST Chemistry Reference |
Benzene(71-43-2) |
EPA Substance Registry System |
Benzene(71-43-2) |