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33047

Sigma-Aldrich

Benzoic acid

puriss. p.a., ACS reagent, reag. Ph. Eur., ≥99.9% (alkalimetric)

Sinonimo/i:

Benzenecarboxylic acid, Carboxybenzene

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About This Item

Formula condensata:
C6H5COOH
Numero CAS:
Peso molecolare:
122.12
Beilstein:
636131
Numero CE:
Numero MDL:
Codice UNSPSC:
12352100
eCl@ss:
39023903
ID PubChem:
NACRES:
NA.21

Grado

ACS reagent
puriss. p.a.

Livello qualitativo

agenzia

reag. Ph. Eur.

Densità del vapore

4.21 (vs air)

Tensione di vapore

10 mmHg ( 132 °C)

Saggio

≥99.9% (alkalimetric)

Forma fisica

crystalline

Temp. autoaccensione

1061 °F

Impurezze

readily oxidisable substances, in accordance
≤0.002% S-compounds (as S)
≤0.005% halogen compounds (as Cl)
≤0.005% insoluble in methanol

Residuo alla calcinazione

≤0.005% (as SO4)

P. eboll.

249 °C (lit.)

Punto di fusione

121-125 °C (lit.)

Solubilità

water: soluble (2.9 g/l at 25 °C)

Anioni in tracce

sulfate (SO42-): ≤20 mg/kg

Cationi in tracce

Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Pb: ≤2 mg/kg
Zn: ≤5 mg/kg

Stringa SMILE

OC(=O)c1ccccc1

InChI

1S/C7H6O2/c8-7(9)6-4-2-1-3-5-6/h1-5H,(H,8,9)
WPYMKLBDIGXBTP-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

Benzoic acid is an organic aromatic monocarboxylic acid. It occurs in the form of colorless leaflets or needles. It reacts with hydrogenating reagents to afford hexahydrobenzoic acid. On decomposition (by heating) in the presence of lime or alkali, it affords benzene and carbon dioxide. It can be synthesized by the cobalt or manganese catalyzed atmospheric oxidation of toluene.

Applicazioni

Benzoic acid may be employed as a standard in the quantitative and calorimetric studies. It may be employed as an intermediate in the synthesis of following products:
  • paints
  • pigments
  • varnish
  • wetting agents
  • aroma compounds
  • benzoyl chloride
  • benzotrichloride

Pittogrammi

Health hazardCorrosion

Avvertenze

Danger

Indicazioni di pericolo

Classi di pericolo

Eye Dam. 1 - Skin Irrit. 2 - STOT RE 1 Inhalation

Organi bersaglio

Lungs

Codice della classe di stoccaggio

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Faceshields, Gloves


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Eagleson M.
Concise Encyclopedia Chemistry, 122-122 (1994)
Renbo Wei et al.
Macromolecular rapid communications, 34(4), 330-334 (2013-01-03)
A new approach is developed to fabricate highly oriented mono-domain LCE nano/microstructures through micro-molding in capillaries. Gratings and microwires as two typical examples are fabricated and characterized by polarizing optical microscopy, optical microscopy, and scanning electron microscopy. The gratings with
S Nacht et al.
Journal of the American Academy of Dermatology, 4(1), 31-37 (1981-01-01)
The transepidermal penetration and metabolic disposition of 14C-benzoyl peroxide were assessed in vitro (excised human skin) and in vivo (rhesus monkey). In vitro, the benzoyl peroxide penetrated into the skin, through the stratum corneum or the follicular openings, or both
Michelle G Rooks et al.
The ISME journal, 8(7), 1403-1417 (2014-02-07)
Dysregulated immune responses to gut microbes are central to inflammatory bowel disease (IBD), and gut microbial activity can fuel chronic inflammation. Examining how IBD-directed therapies influence gut microbiomes may identify microbial community features integral to mitigating disease and maintaining health.
Copper-mediated C-H/C-H biaryl coupling of benzoic acid derivatives and 1,3-azoles.
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Angewandte Chemie (International ed. in English), 52(16), 4457-4461 (2013-03-21)

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