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  8. o-Tolidine dihydrochloride, 97%

o-Tolidine dihydrochloride, 97%

Product Code. 11423727
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Product Code. 11423727 Supplier Thermo Scientific Alfa Aesar Supplier No. A18196.22
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Estimated Shipment: 17-09-2026
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Description

CAS: 612-82-8 | C14H18Cl2N2 | 285.212 g/mol

o-Tolidine dihydrochloride is used as a sensitive colorimetric reagent for gold and for free chlorine in water.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
o-Tolidine dihydrochloride is used as a sensitive colorimetric reagent for gold and for free chlorine in water.

Solubility
Soluble in water.

Notes
Air and light sensitive. Incompatible with oxidizing agents.
TRUSTED_SUSTAINABILITY

Kemiske identifikatorer

CAS 612-82-8
Molecular Formula C14H18Cl2N2
Molecular Weight (g/mol) 285.212
MDL Number MFCD00012960
InChI Key LUKPNZHXJRJBAN-UHFFFAOYSA-N
Synonym 3,3'-dimethylbenzidine dihydrochloride, o-tolidine dihydrochloride, 3,3'-dimethyl-1,1'-biphenyl-4,4'-diamine dihydrochloride, unii-5msk350kd8, dsstox_cid_511, dsstox_rid_75633, dsstox_gsid_20511, tolidine dihydrochloride, 1,1'-biphenyl-4,4'-diamine, 3,3'-dimethyl-, dihydrochloride, 3,3'-dimethylbenzidine.2hcl
PubChem CID 108938
IUPAC Name 4-(4-amino-3-methylphenyl)-2-methylaniline;dihydrochloride
SMILES CC1=C(C=CC(=C1)C2=CC(=C(C=C2)N)C)N.Cl.Cl

Tekniske data

Melting Point >300°C
Odor Odorless
Quantity 100 g
UN Number UN3077
Sensitivity Air and light sensitive
Solubility Information Soluble in water.
Formula Weight 285.22
Percent Purity 97%
Chemical Name or Material o-Tolidine dihydrochloride

RUO – Research Use Only

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