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Merck
CN

T3501

o-Tolidine

practical grade

Synonym(s):

3,3′-Dimethylbenzidine, 4,4′-Bianisidine

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About This Item

Linear Formula:
[-C6H3(CH3)-4-NH2]2
CAS Number:
Molecular Weight:
212.29
EC Number:
204-358-0
UNSPSC Code:
12352100
MDL number:
Beilstein/REAXYS Number:
2210640
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grade

practical grade

mp

128-131 °C (lit.)

SMILES string

Cc1cc(ccc1N)-c2ccc(N)c(C)c2

InChI

1S/C14H16N2/c1-9-7-11(3-5-13(9)15)12-4-6-14(16)10(2)8-12/h3-8H,15-16H2,1-2H3

InChI key

NUIURNJTPRWVAP-UHFFFAOYSA-N

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Application

Sensitive colorimetric reagent for gold and for free chlorine in water.

Disclaimer

May be carcinogenic.

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Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Carc. 1B

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

flash_point_f

212.0 °F - closed cup

flash_point_c

100 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

Regulatory Information

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