Aniline

Name: Aniline
Brand: SIAL

99%, liquid, suitable for synthesis, ReagentPlus^®

Sinonimo/i:

Aminobenzene, Benzenamine

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Informazioni su questo articolo

Formula condensata:

C₆H₅NH₂

Numero CAS:

62-53-3

Peso molecolare:

93.13

NACRES:

NA.21

PubChem Substance ID:

24848084

eCl@ss:

39030407

UNSPSC Code:

12352100

EC Number:

200-539-3

MDL number:

MFCD00007629

Beilstein/REAXYS Number:

605631

Assay:

99%

Bp:

184 °C (lit.)

Vapor pressure:

0.7 mmHg ( 25 °C)

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Nome del prodotto

Aniline, ReagentPlus^®, 99%

InChI key

PAYRUJLWNCNPSJ-UHFFFAOYSA-N

InChI

1S/C6H7N/c7-6-4-2-1-3-5-6/h1-5H,7H2

SMILES string

Nc1ccccc1

vapor density

3.22 (185 °C, vs air)

vapor pressure

0.7 mmHg ( 25 °C)

product line

ReagentPlus^®

assay

99%

form

liquid

autoignition temp.

1139 °F

expl. lim.

11 %

dilution

(for general lab use)

refractive index

n20/D 1.586 (lit.)

pH

8.8 (20 °C, 36 g/L)

bp

184 °C (lit.)

mp

−6 °C (lit.)

solubility

water: soluble

density

1.022 g/mL at 25 °C (lit.)

Quality Level

200

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Categorie correlate

Lab Chemicals

Analytical Chemistry

Analytical Chromatography

Solvents

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Questo articolo	242284	1.01261	PHR2346
Sigma-Aldrich 132934 Aniline	Sigma-Aldrich 242284 Aniline	Supelco 1.01261 Aniline	Supelco PHR2346 Aniline
assay 99%	assay ≥99.5%	assay ≥99.5% (GC)	assay -
Quality Level 200	Quality Level 200	Quality Level 300	Quality Level 300
solubility water: soluble	solubility water: soluble	solubility 36 g/L	solubility -
form liquid	form liquid	form liquid	form liquid
density 1.022 g/mL at 25 °C (lit.)	density 1.022 g/mL at 25 °C (lit.)	density 1.02 g/cm³ at 20 °C	density -
autoignition temp. 1139 °F	autoignition temp. 1139 °F	autoignition temp. 540 °C	autoignition temp. -

Application

Aniline may be used in the preparation of azobenzene.[1]

Biochem/physiol Actions

The acute toxicity of aniline involves its activation in vivo to 4-hydroxyaniline and the formation of adducts with hemoglobin. In erythrocytes, this is associated with the release of iron and the accumulation of methemoglobin and the development of hemolytic anemia and inflammation of the spleen. Tumor formation is often observed in the spleen on prolonged administration.

General description

Aniline is an aromatic amine. It is a key industrial intermediate, widely employed for the preparation of dyes, rubber, resins and polymers.[2] Complete vibrational assignements of aniline and its deuterated forms (aniline-NHD and aniline-ND₂) have been reported.1 p-aminodiphenylamine (ADPA) has been reported to be formed as a major intermediate during the electropolymerizatrion of aniline.[3] Its viscosity has been reported to be 3.1457cp at 30°C.[4] Quantitative transformation of nitrobenzene to aniline has been carried out by employing functionalized plasmonic Au/TiO₂ photocatalyst along with a Ag co-catalyst.[5] Aniline can be prepared from nitrobenzene, via hydrogenation in the presence of Cu, Ni, Pt, Pd and Au (catalyst). It can also be prepared by photocatalytic reduction of nitrobenzene in the presence of WO₃-Ag hybrid nanowires.[2]

Material darkens in storage to reddish-brown with no loss in purity.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

pictograms

GHS06,GHS08,GHS05,GHS09

signalword

Danger

hcodes

H301 + H311 + H331,H317,H318,H341,H351,H372,H410

pcodes

P273 - P280 - P301 + P310 - P302 + P352 + P312 - P304 + P340 + P311 - P305 + P351 + P338

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Eye Dam. 1 - Muta. 2 - Skin Sens. 1 - STOT RE 1

target_organs

Blood

Classe di stoccaggio

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

flash_point_f

158.0 °F - closed cup

flash_point_c

70 °C - closed cup

ppe

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

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Certificati d'analisi (COA)

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Viscosities of Binary Mixtures of Benzyl Acetate with Dioxane, Aniline, and m-Cresol.

Katti PK and Chaudhri MM.

Journal of Chemical and Engineering Data, 9(3), 442-443 (1964)

Functionalization of a plasmonic Au/TiO2 photocatalyst with an Ag co-catalyst for quantitative reduction of nitrobenzene to aniline in 2-propanol suspensions under irradiation of visible light.

Atsuhiro Tanaka et al.

Chemical communications (Cambridge, England), 49(25), 2551-2553 (2013-02-21)

A functionalized plasmonic Au/TiO2 photocatalyst with an Ag co-catalyst was successfully prepared by the combination of two types of photodeposition methods, and it quantitatively converted nitrobenzene and 2-propanol to aniline and acetone under irradiation of visible light.

Photocatalytic hydrogenation of nitrobenzene to aniline over tungsten oxide-silver nanowires.

Fu L, et al.

Materials Letters, 142, 201-203 (2015)

The application of fast scan cyclic voltammetry. Mechanistic study of the initial stage of electropolymerization of aniline in aqueous solutions.

Yang H and Bard AJ.

Journal of Electroanalytical Chemistry, 339(1), 423-449 (1992)

Preparation of symmetric and asymmetric aromatic azo compounds from aromatic amines or nitro compounds using supported gold catalysts.

Abdessamad Grirrane et al.

Nature protocols, 5(3), 429-438 (2010-03-06)

This protocol describes the aerobic oxidation of aromatic anilines to aromatic azo compounds using gold (Au) nanoparticles supported on TiO(2) as a catalyst. Yields above 98% are achieved under a few bars of oxygen pressure. It should be noted that

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Questions

1–2 of 2 Questions

Anonymous

5 months ago

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

1 answer
1. Technical Support
  
  5 months ago
  
  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/418/501/product-dating-information-06-25-mk.pdf
  
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Anonymous

10 months ago

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

1 answer
1. Technical Support
  
  10 months ago
  
  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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