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319953

Sigma-Aldrich

Benzene

ACS reagent, ≥99.0%

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About This Item

Fórmula empírica (Notação de Hill):
C6H6
Número CAS:
Peso molecular:
78.11
Beilstein:
969212
Número CE:
Número MDL:
Código UNSPSC:
12352002
ID de substância PubChem:
NACRES:
NA.21
grau:
ACS reagent
Ensaio:
≥99.0%
p.e.:
80 °C (lit.)
pressão de vapor:
166 mmHg ( 37.7 °C)
74.6 mmHg ( 20 °C)

grau

ACS reagent

Nível de qualidade

densidade de vapor

2.77 (vs air)

pressão de vapor

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

Ensaio

≥99.0%

Formulário

liquid

temperatura de autoignição

1043 °F

Lim. expl.

8 %

Impurezas

H2SO4, passes test (darkened)
thiophene, passes test (limit ∼1ppm)
≤0.005% S compounds
≤0.05% water (Karl Fischer)

resíduo de evaporação

≤0.001%

cor

APHA: ≤10

índice de refração

n20/D 1.501 (lit.)

p.e.

80 °C (lit.)

pf

5.5 °C (lit.)

densidade

0.874 g/mL at 25 °C (lit.)

cadeia de caracteres SMILES

c1ccccc1

InChI

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

chave InChI

UHOVQNZJYSORNB-UHFFFAOYSA-N

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Descrição geral

Benzene is a monocyclic aromatic compound used as a solvent in chemical reactions. It is an essential raw material for fuels, rubber and plastics products, detergents, pesticides, and pharmaceuticals.

Aplicação

Benzene can be used as a solvent in the:
  • Heck Reaction of vinyl bromides with styrenes to synthesize functionalized 1,3-dienes.
  • Gallium-catalyzed reductive lactonization of γ-keto acids to γ-lactone derivatives.
  • Anionic polymerization of styrene and 1,3-butadiene in the presence of phosphazene as a base.

Palavra indicadora

Danger

Classificações de perigo

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

Órgãos-alvo

Blood

Código de classe de armazenamento

3 - Flammable liquids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

12.2 °F

Ponto de fulgor (°C)

-11 °C


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Cliona M McHale et al.
Carcinogenesis, 33(2), 240-252 (2011-12-15)
Benzene causes acute myeloid leukemia and probably other hematological malignancies. As benzene also causes hematotoxicity even in workers exposed to levels below the US permissible occupational exposure limit of 1 part per million, further assessment of the health risks associated
Jelle Vlaanderen et al.
Environmental health perspectives, 119(2), 159-167 (2010-10-01)
The use of occupational cohort studies to assess the association of benzene and lymphoma is complicated by problems with exposure misclassification, outcome classification, and low statistical power. We performed meta-analyses of occupational cohort studies for five different lymphoma categories: Hodgkin
Deborah C Glass et al.
Occupational and environmental medicine, 71(4), 266-274 (2014-02-18)
Benzene exposure has been associated with increased risk of leukaemia and myelodysplastic syndrome. Existing studies are sparse for other lymphohaematopoietic cancer subtypes, such as myeloproliferative disease (MPD) and the related chronic myeloid leukaemia (CML). We pooled data from three petroleum
David Galbraith et al.
Critical reviews in toxicology, 40 Suppl 2, 1-46 (2010-10-14)
Over the last century, benzene has been a well-studied chemical, with some acute and chronic exposures being directly associated with observed hematologic effects in humans and animals. Chronic heavy exposures to benzene have also been associated with acute myelogenous leukemia
Scott M Arnold et al.
Critical reviews in toxicology, 43(2), 119-153 (2013-01-26)
Abstract A framework of "Common Criteria" (i.e. a series of questions) has been developed to inform the use and evaluation of biomonitoring data in the context of human exposure and risk assessment. The data-rich chemical benzene was selected for use

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