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236314

p-Toluidine

99.6%

Synonym(s):

4-Aminotoluene, 4-Methylaniline

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$116.00

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$161.00

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About This Item

Linear Formula:
CH3C6H4NH2
CAS Number:
106-49-0
Molecular Weight:
107.15
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24854162
EC Number:
203-403-1
Beilstein/REAXYS Number:
471281
MDL number:
MFCD00007906
Assay:
99.6%
Bp:
200 °C (lit.)
Vapor pressure:
0.26 mmHg ( 25 °C), 0.66 mmHg ( 38 °C)

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InChI key

RZXMPPFPUUCRFN-UHFFFAOYSA-N

InChI

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

SMILES string

Cc1ccc(N)cc1

vapor density

3.9 (vs air)

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.)

Quality Level

200

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1 of 4

This Item
1.108418.0831589630
p-Toluidine 99.6%

Sigma-Aldrich

236314

p-Toluidine

p-Toluidine GR for analysis

Supelco

1.10841

p-Toluidine

p-Toluidine for synthesis

Sigma-Aldrich

8.08315

p-Toluidine

p-Toluidine for spectrophotometric det. of Au, Tl(III), W, ≥99.0%

Supelco

89630

p-Toluidine

Quality Level

200

Quality Level

100

Quality Level

200

Quality Level

100

assay

99.6%

assay

≥99.0% (GC)

assay

≥99.0% (GC)

assay

≥99.0% (GC)

solubility

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

solubility

-

solubility

-

solubility

ethanol: 1 g/10 mL (Hot)

form

crystalline

form

solid

form

solid

form

crystals

bp

200 °C (lit.)

bp

200  °C/1,013 hPa, 200 °C (lit.)

bp

200  °C/1,013 hPa, 200 °C (lit.)

bp

200 °C (lit.)

pH

7.8 (7 g/L)

pH

-

pH

-

pH

-

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.

Application

p-Toluidine has been used in preparation of:
  • aromatic azo compounds[1]
  • bidentate Schiff base ligands via condensation with salicylaldehyde[2]

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

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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Certificates of Analysis (COA)

Lot/Batch Number
BCCP2073
BCCN1334
BCCM8077
BCCM0715
BCCM2400

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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)
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
Shunji Ito et al.
The Journal of organic chemistry, 70(6), 2285-2293 (2005-03-12)
[reaction: see text] N,N-Di(6-azulenyl)-p-toluidine (1a) and N,N,N',N'-tetra(6-azulenyl)-p-phenylenediamine (2a) and their derivatives with 1,3-bis(ethoxycarbonyl) substituents on each 6-azulenyl group (1b and 2b) were prepared by Pd-catalyzed amine azulenylation and characterized as a study into new aromatic amines for multistage amphoteric redox
J C Kennelly et al.
Mutation research, 137(1), 39-45 (1984-07-01)
The conventional Ames assay metabolising system was confirmed to be deficient in its ability to N-acetylate. This may render the test less sensitive to compounds which normally have an acetylation step during their in vivo activation to carcinogens. The addition
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Questions

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  1. 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/418/501/product-dating-information-06-25-mk.pdf

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  2. 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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