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319953

Sigma-Aldrich

Benzene

ACS reagent, ≥99.0%

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About This Item

Formula empirica (notazione di Hill):
C6H6
Numero CAS:
71-43-2
Peso molecolare:
78.11
Beilstein:
969212
Numero CE:
200-753-7
Numero MDL:
MFCD00003009
Codice UNSPSC:
12352002
ID PubChem:
329753940
NACRES:
NA.21

Grado

ACS reagent

Livello qualitativo

200

Densità del vapore

2.77 (vs air)

Tensione di vapore

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

Saggio

≥99.0%

Stato

liquid

Temp. autoaccensione

1043 °F

Limite di esplosione

8 %

dilution

(for analytical testing)

Impurezze

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

Residuo dopo evaporazione

≤0.001%

Colore

APHA: ≤10

Indice di rifrazione

n20/D 1.501 (lit.)

P. ebollizione

80 °C (lit.)

Punto di fusione

5.5 °C (lit.)

Densità

0.874 g/mL at 25 °C (lit.)

Stringa SMILE

c1ccccc1

InChI

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

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Categorie correlate

Descrizione generale

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.

Applicazioni

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.

Avvertenze

Danger

Classi di pericolo

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

Organi bersaglio

Blood

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

12.2 °F

Punto d’infiammabilità (°C)

-11 °C

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Certificati d'analisi (COA)

Lot/Batch Number
SHBP3305
SHBP2664
SHBP2272
SHBP0095
SHBN9169

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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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