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401765

Sigma-Aldrich

Benzene

anhydrous, 99.8%

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About This Item

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:
57649920
NACRES:
NA.21
grade:
anhydrous
assay:
99.8%
technique(s):
toxicology assay: suitable
bp:
80 °C (lit.)
vapor pressure:
166 mmHg ( 37.7 °C)
74.6 mmHg ( 20 °C)
Pricing and availability is not currently available.

grade

anhydrous

Quality Level

200

vapor density

2.77 (vs air)

vapor pressure

166 mmHg ( 37.7 °C)
74.6 mmHg ( 20 °C)

assay

99.8%

form

liquid

autoignition temp.

1043 °F

expl. lim.

8 %

technique(s)

toxicology assay: suitable

impurities

<0.001% water
<0.005% water (100 mL pkg)

evapn. residue

<0.0005%

refractive index

n20/D 1.501 (lit.)

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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General description

Benzene is a six membered aromatic compound. The capability of superhalogen induced ionization of benzene molecules has been reported based on ab initio calculations.[1] Benzene, a commonly used industrial solvent is also an air pollutant and a potent carcinogen.[2]

Application

Benzene may be used in the following processes:
  • Formation of phenyl acetate by aerobic oxidation using Pd catalyst and acetic acid as solvent.[3]
  • Formation of phenol by hydroxylation in the presence of mesoporous carbon nitride supported on vanadium catalyst.[4]
  • As a solvent to prepare nanoparticles of gallium nitride (GaN) by reacting Li3N and GaCl3 at 280°C.[5]

Packaging

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signalword

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

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

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Certificates of Analysis (COA)

Lot/Batch Number
SHBS1841
SHBR6315
SHBS1021
SHBR4437
SHBQ6889

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Nicole M Taylor et al.
Microorganisms, 9(1) (2021-01-07)
The microbial degradation of recalcitrant hydrocarbons is an important process that can contribute to the remediation of oil and gas-contaminated environments. Due to the complex structure of subsurface terrestrial environments, it is important to identify the microbial communities that may
Palladium-catalyzed aerobic acetoxylation of benzene using NOx-based redox mediators.
Zultanski SL and Stahl SS.
Journal of Organometallic Chemistry, 793, 263-268 (2015)
A benzene-thermal synthetic route to nanocrystalline GaN.
Xie Y, et al.
Science, 272(5270), 1926-1927 (1996)
Vanadia supported on mesoporous carbon nitride as a highly efficient catalyst for hydroxylation of benzene to phenol.
Xu J, et al.
Catalysis Science & Technology, 5(3), 1504-1513 (2015)
Ionizing benzene with superhalogens.
Czapla M, et al.
Chemical Physics Letters, 619, 32-35 (2015)
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Articles

Solvent Miscibility Table

Substances are said to be miscible in one another if they dissolve to form a uniform solution. Bookmark or download our miscibility table for common lab solvents.

Questions

1–2 of 2 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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