Skip to Content

很抱歉，目前系统维护中。在此期间，网站下单功能无法使用。给您带来不便，深表歉意。如需其他帮助，请联系客户联络中心：400 620 3333。

Merck
CN
All Photos(2)

Key Documents

View All Documentation

Safety Information

466190

Sigma-Aldrich

o-Toluidine

98%

Synonym(s):

2-Aminotoluene, 2-Methylaniline

Sign Into View Organizational & Contract Pricing

Select a Size

5 G
¥829.76
250 G
¥2,203.86
500 G
¥3,796.61

¥829.76

Available to ship on2025年4月07日Details

Request a Bulk Order
All Photos(2)

Select a Size

Change View
5 G
¥829.76
250 G
¥2,203.86
500 G
¥3,796.61

About This Item

Linear Formula:
CH3C6H4NH2
CAS Number:
95-53-4
Molecular Weight:
107.15
Beilstein:
741981
EC Number:
202-429-0
MDL number:
MFCD00007730
UNSPSC Code:
12352100
PubChem Substance ID:
24870332
NACRES:
NA.22

¥829.76

Available to ship on2025年4月07日Details

Request a Bulk Order

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.)

Looking for similar products? Visit Product Comparison Guide

Related Categories

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
704105900820900822
聚已酸内酯 average Mn 80,000

440744

聚已酸内酯

聚已酸内酯 average Mn 45,000

704105

聚已酸内酯

聚己内酯 viscosity 1.7 dL/g 

900820

聚己内酯

聚己内酯 viscosity 1.2 dL/g 

900822

聚己内酯

density

1.145 g/mL at 25 °C

density

-

density

-

density

-

mp

60 °C (lit.)

mp

56-64 °C, 60 °C (lit.)

mp

-

mp

-

mol wt

average Mn 80,000

mol wt

Mn 40,000-50,000, Mw 48,000-90,000, average Mn 45,000

mol wt

-

mol wt

-

impurities

<0.5% water

impurities

-

impurities

≤0.5 Residual monomer (GC), ≤0.5% Residual Water content (colormetric titration), ≤100 ppm Tin (AAS)

impurities

≤0.5% Residual monomer (GC), ≤0.5% Residual water content (colormetric titration), ≤100 ppm Tin (AAS)

Mw/Mn

<2

Mw/Mn

-

Mw/Mn

-

Mw/Mn

-

General description

o-Toluidine undergoes chemically oxidative polymerization with aniline in the presence of ammonium persulfate as an oxidant in HCl medium.[1]

Application

o-Toluidine was used as a precursor in the synthesis of poly(o-toluidine) and copper nanoparticle composite material.[2]

Signal Word

Danger

Hazard Classifications

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

Storage Class Code

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品
  • Specification Sheet

    • Choose from one of the most recent versions:

    Certificates of Analysis (COA)

    Lot/Batch Number
    MKCM7331
    MKCM7332
    MKCL6013
    MKCK5607
    SHBJ0789

    Don't see the Right Version?

    If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

    Search for a COA

    Already Own This Product?

    Find documentation for the products that you have recently purchased in the Document Library.

    Visit the Document Library

    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)
    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)
    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
    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)
    View All Related Papers

    Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

    Contact Technical Service