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401765

Sigma-Aldrich

Benzène

anhydrous, 99.8%

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About This Item

Formule empirique (notation de Hill):
C6H6
Numéro CAS:
71-43-2
Poids moléculaire :
78.11
Beilstein:
969212
Numéro CE :
200-753-7
Numéro MDL:
MFCD00003009
Code UNSPSC :
12352002
ID de substance PubChem :
57649920
Nomenclature NACRES :
NA.21
Qualité:
anhydrous
Essai:
99.8%
Technique(s):
toxicology assay: suitable
pb:
80 °C (lit.)
Pression de vapeur:
166 mmHg ( 37.7 °C)
74.6 mmHg ( 20 °C)
Le tarif et la disponibilité ne sont pas disponibles actuellement.

Qualité

anhydrous

Niveau de qualité

200

Densité de vapeur

2.77 (vs air)

Pression de vapeur

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

Essai

99.8%

Forme

liquid

Température d'inflammation spontanée

1043 °F

Limite d'explosivité

8 %

Technique(s)

toxicology assay: suitable

Impuretés

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

Résidus d'évap.

<0.0005%

Indice de réfraction

n20/D 1.501 (lit.)

pb

80 °C (lit.)

Pf

5.5 °C (lit.)

Densité

0.874 g/mL at 25 °C (lit.)

Chaîne SMILES 

c1ccccc1

InChI

1S/C6H6/c1-2-4-6-5-3-1/h1-6H

Clé InChI

UHOVQNZJYSORNB-UHFFFAOYSA-N

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Description générale

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]

Conditionnement

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Pictogrammes

FlameHealth hazardExclamation mark
GHS02,GHS08,GHS07

Mention d'avertissement

Danger

Classification des risques

Aquatic Chronic 3 - Asp. Tox. 1 - Carc. 1A - Eye Irrit. 2 - Flam. Liq. 2 - Muta. 1B - Skin Irrit. 2 - STOT RE 1

Organes cibles

Blood

Code de la classe de stockage

3 - Flammable liquids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

12.2 °F

Point d'éclair (°C)

-11 °C

Équipement de protection individuelle

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificats d'analyse (COA)

Lot/Batch Number
SHBS1841
SHBR6315
SHBS1021
SHBR4437
SHBQ6889

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Consulter la Bibliothèque de documents

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)
Palladium-catalyzed aerobic acetoxylation of benzene using NOx-based redox mediators.
Zultanski SL and Stahl SS.
Journal of Organometallic Chemistry, 793, 263-268 (2015)
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
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.

Tableau de miscibilité des solvants

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Questions

1–2 sur 2 questions  

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

    1 réponse

    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 réponse

    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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