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Merck
CN

185426

o-Toluidine

≥99%

Synonym(s):

2-Aminotoluene, 2-Methylaniline

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About This Item

Linear Formula:
CH3C6H4NH2
CAS Number:
95-53-4
Molecular Weight:
107.15
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24851137
EC Number:
202-429-0
Beilstein/REAXYS Number:
741981
MDL number:
MFCD00007730

Key Documents

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Product Name

o-Toluidine, ≥99%

InChI key

RNVCVTLRINQCPJ-UHFFFAOYSA-N

InChI

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

SMILES string

Cc1ccccc1N

vapor density

3.7 (vs air)

vapor pressure

0.26 mmHg ( 25 °C)

assay

≥99%

form

liquid

autoignition temp.

899 °F

refractive index

n20/D 1.572 (lit.)

bp

199-200 °C (lit.)
89-90 °C/11 mmHg (lit.)

mp

−28 °C (lit.)

solubility

alcohol: soluble
diethyl ether: soluble
water: slightly soluble

density

1.008 g/mL at 25 °C (lit.)

Quality Level

100

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Application

o-Toluidine was used in determination of glucose in biological materials. It was used as precursor in the synthesis of poly(o-toluidine) and copper nanoparticle composite material.

General description

o-Toluidine undergoes chemically oxidative polymerization with aniline in the presence of ammonium persulfate as an oxidant in HCl medium.

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Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 2 - Carc. 1B - Eye Irrit. 2

Storage Class

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

wgk

WGK 3

flash_point_f

185.0 °F - closed cup

flash_point_c

85 °C - closed cup

ppe

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

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
MKCX8993
MKCV5690
MKCS9515
MKCR6388
MKCQ1660

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A T Smit et al.
Bioresource technology, 243, 994-999 (2017-07-30)
Enzymatic cellulose hydrolysis of pretreated wheat straw pulp to glucose is enhanced when the hydrolysis is performed in the presence of an aqueous extract of the wheat straw. A relative digestibility increase of about 10% has been observed for organosolv
Oxidative copolymers of aniline with o-toluidine: Their structure and thermal properties.
Huang M-R, et al.
Journal of Applied Polymer Science, 81(8), 1838-1847 (2001)
In situ synthesis of copper nanoparticles and poly (< i> o</i>-toluidine): A metal-polymer composite material.
Mallick K, et al.
Eur. Polymer J., 42(3), 670-675 (2006)
Ivo Kalkman et al.
Physical chemistry chemical physics : PCCP, 11(21), 4311-4318 (2009-05-22)
The rotationally resolved spectrum of the o-toluidine S(1)<-- S(0) origin was measured using laser induced fluorescence spectroscopy. From the resulting spectrum torsional barriers to internal rotation of the methyl group were derived, which resulted in S(0) state values of V(3)
Emna Hmani et al.
Journal of hazardous materials, 170(2-3), 928-933 (2009-06-23)
Electrochemical oxidation of O-toluidine (OT) was studied by galvanostatic electrolysis using lead dioxide (PbO2) and boron-doped diamond (BDD) as anodes. The influence of operating parameters, such as current density, initial concentration of OT and temperature was investigated. Measurements of chemical
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