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Merck
CN

466190

o-Toluidine

98%

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:
24870332
EC Number:
202-429-0
Beilstein/REAXYS Number:
741981
MDL number:
MFCD00007730

Key Documents

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Product Name

o-Toluidine, 98%

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

98%

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

H2O: slightly soluble

density

1.008 g/mL at 25 °C (lit.)

Quality Level

200

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Application

o-Toluidine was used as a 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.

signalword

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
MKCX8511
MKCM7331
MKCM7332
MKCL6013
MKCK5607

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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)
Hun-Je Jo et al.
Chemosphere, 70(6), 949-957 (2007-09-26)
In this study, major toxicants in pigment wastewaters (i.e. raw wastewater and effluent) were determined by toxicity identification evaluations (TIEs), and changes in their toxicities due to combined gamma-ray (gamma-ray) and ozone treatments were evaluated. From TIE results using Daphnia
Tania Carreón et al.
Occupational and environmental medicine, 67(5), 348-350 (2009-11-04)
In 1991, the US National Institute for Occupational Safety and Health (NIOSH) reported an increased bladder cancer risk in a cohort of 1749 workers potentially exposed to o-toluidine and aniline at a chemical manufacturing plant. As additional information showed that
Dirk Lindner et al.
Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology, 20(7), 1524-1536 (2011-05-27)
This multicenter, observational study was conducted in three European countries (Germany, Switzerland, and the United Kingdom) to determine the exposure of adult cigarette smokers and nonsmokers to selected cigarette smoke constituents: 1,3-butadiene, 2-naphthylamine, 4-aminobiphenyl, 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK), acrolein, benzene, carbon monoxide
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