12553

Benzene

puriss., absolute, over molecular sieve (H₂O ≤0.005%), ≥99.5% (GC)

• Empirical Formula (Hill Notation): C₆H₆
• CAS Number: 71-43-2
• Molecular Weight: 78.11
• Beilstein/REAXYS Number: 969212
• EC Number: 200-753-7
• MDL number: MFCD00003009
• UNSPSC Code: 12352002
• PubChem Substance ID: 57647003

Properties

• vapor density: 2.77 (vs air)
• vapor pressure: 166 mmHg ( 37.7 °C); 74.6 mmHg ( 20 °C)
• grade: absolute; puriss.
• assay: ≥99.5% (GC)
• form: liquid
• autoignition temp.: 1043 °F
• quality: over molecular sieve (H₂O ≤0.005%)
• expl. lim.: 8 %
• refractive index: n20/D 1.501 (lit.); n20/D 1.501
• bp: 80 °C (lit.)
• mp: 5.5 °C (lit.)
• density: 0.874 g/mL at 25 °C (lit.)
• SMILES string: c1ccccc1
• InChI: 1S/C6H6/c1-2-4-6-5-3-1/h1-6H
• InChI key: UHOVQNZJYSORNB-UHFFFAOYSA-N

Safety Information

• pictograms: GHS02,GHS08,GHS07
• signalword: Danger
• hcodes: H225,H304,H315,H319,H340,H350,H372,H412
• pcodes: P210 - P273 - P301 + P310 - P303 + P361 + P353 - P305 + P351 + P338 - P331
• Hazard Classifications: Aquatic Chronic 3 - Asp. Tox. 1 - Carc. 1A - Eye Irrit. 2 - Flam. Liq. 2 - Muta. 1B - Skin Irrit. 2 - STOT RE 1
• target_organs: Blood
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 3
• flash_point_f: 12.2 °F
• flash_point_c: -11 °C
• ppe: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter