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12553

Sigma-Aldrich

Benzene

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

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About This Item

Empirical Formula (Hill Notation):
C6H6
CAS Number:
71-43-2
Molecular Weight:
78.11
Beilstein:
969212
EC Number:
200-753-7
MDL number:
MFCD00003009
UNSPSC Code:
12352002
PubChem Substance ID:
57647003
Pricing and availability is not currently available.

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

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Signal Word

Danger

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 Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

12.2 °F

Flash Point(C)

-11 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH Annex XVII (Restriction List)

CAS No.

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Certificates of Analysis (COA)

Lot/Batch Number
BCBK9010V
BCBJ0160V
BCBG6908V
BCBF2826V
BCBD3517V

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Benzene forms hydrogen bonds with water.
Suzuki S, et al.
Science, 257(5072), 942-945 (1992)
Use of the CNDO method in spectroscopy. I. Benzene, pyridine, and the diazines.
Del Bene J and Jaffe HH.
J. Chem. Phys. , 48(44), 1807-1813 (1968)
M Kiguchi et al.
Physical review letters, 101(4), 046801-046801 (2008-09-04)
Highly conductive molecular junctions were formed by direct binding of benzene molecules between two Pt electrodes. Measurements of conductance, isotopic shift in inelastic spectroscopy, and shot noise compared with calculations provide indications for a stable molecular junction where the benzene
Filamentous growth of carbon through benzene decomposition.
Oberlin A, et al.
Journal of Crystal Growth, 32(3), 335-349 (1976)
John C Thomas et al.
ACS nano, 9(5), 4734-4742 (2015-04-14)
Carboranethiol molecules self-assemble into upright molecular monolayers on Au{111} with aligned dipoles in two dimensions. The positions and offsets of each molecule's geometric apex and local dipole moment are measured and correlated with sub-Ångström precision. Juxtaposing simultaneously acquired images, we
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