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236314

Sigma-Aldrich

p-Toluidine

99.6%

Sinónimos:

4-Aminotoluene, 4-Methylaniline

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About This Item

Fórmula lineal:
CH3C6H4NH2
Número de CAS:
106-49-0
Peso molecular:
107.15
Beilstein/REAXYS Number:
471281
EC Number:
203-403-1
MDL number:
MFCD00007906
UNSPSC Code:
12352100
PubChem Substance ID:
24854162
NACRES:
NA.22
assay:
99.6%
bp:
200 °C (lit.)
vapor pressure:
0.26 mmHg ( 25 °C)
0.66 mmHg ( 38 °C)
En este momento no podemos mostrarle ni los precios ni la disponibilidad

vapor density

3.9 (vs air)

Quality Level

200

vapor pressure

0.26 mmHg ( 25 °C)
0.66 mmHg ( 38 °C)

assay

99.6%

form

crystalline

autoignition temp.

899 °F

expl. lim.

6.6 %

pH

7.8 (7 g/L)

bp

200 °C (lit.)

mp

41-46 °C (lit.)

solubility

water: soluble 135 part(lit.)
acetone: freely soluble(lit.)
alcohol: freely soluble(lit.)
carbon disulfide: freely soluble(lit.)
diethyl ether: freely soluble(lit.)
methanol: freely soluble(lit.)
oil: freely soluble(lit.)

density

0.973 g/mL at 25 °C (lit.)

SMILES string

Cc1ccc(N)cc1

InChI

1S/C7H9N/c1-6-2-4-7(8)5-3-6/h2-5H,8H2,1H3

InChI key

RZXMPPFPUUCRFN-UHFFFAOYSA-N

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General description

p-Toluidine undergoes oxidative coupling reaction with catecholamine to form an orange water-soluble dye during flow injection-spectrophotometric determination of catecholamine drugs[1].

Application

p-Toluidine has been used in preparation of:
  • aromatic azo compounds[2]
  • bidentate Schiff base ligands via condensation with salicylaldehyde[3]

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 2 - Carc. 2 - Eye Irrit. 2 - Skin Sens. 1A

Storage Class

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

wgk_germany

WGK 3

flash_point_f

188.6 °F - closed cup

flash_point_c

87 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificados de análisis (COA)

Lot/Batch Number
BCCM8077
BCCM0715
BCCM2400
BCCK4226
BCCH4698

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Flow injection-spectrophotometeric determination of some catecholamine drugs in pharmaceutical preparations via oxidative coupling reaction with< i> p</i>-toluidine and sodium periodate.
Abdulrahman LK, et al.
Analytica Chimica Acta, 538(1), 331-335 (2005)
Ruthenium (II) complexes containing bidentate Schiff bases and their antifungal activity.
Dharmaraj N, et al.
Transition Met. Chem. (London), 26(1-2), 105-109 (2001)
D R Doerge et al.
Chemical research in toxicology, 4(5), 556-560 (1991-09-01)
The metabolism of three arylamine substrates by H2O2 in the presence of each of the peroxidative enzymes chloroperoxidase (CPX) and pea seed peroxygenase (PSM) was conducted with normal H2O2 and with 18O-labeled H2O2. The resulting C-nitroso aromatic metabolites were examined
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
Paul G Stevenson et al.
Journal of chromatography. A, 1218(45), 8255-8263 (2011-10-11)
Several simple techniques are presented for the identification of the boundaries of chromatographic peaks. These methods provide a significant reduction in the time needed to perform the rapid, automatic calculation of the central peak moments and to evaluate the quality
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Questions

1–2 of 2 Questions  

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

    1 answer

    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 answer

    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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