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Merck
CN

T6269

o-Tolidine dihydrochloride

≥97%

Synonym(s):

3,3′-Dimethylbenzidine dihydrochloride, 4,4′-Bianisidine dihydrochloride, 4,4′-Diamino-3,3′-dimethylbiphenyl dihydrochloride

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About This Item

Linear Formula:
[-C6H3(CH3)-4-NH2]2 · 2HCl
CAS Number:
612-82-8
Molecular Weight:
285.21
EC Number:
210-322-5
UNSPSC Code:
12352100
PubChem Substance ID:
24900363
Beilstein/REAXYS Number:
3713238
MDL number:
MFCD00012960

Key Documents

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InChI key

LUKPNZHXJRJBAN-UHFFFAOYSA-N

InChI

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

SMILES string

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

assay

≥97%

color

white to light yellow

Application

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

Disclaimer

May be carcinogenic.

signalword

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

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
058K1543
097K1032
084K1699
067H1982
027K0690

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