o-Tolidine dihydrochloride, 97%

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.

Specifications

Chemical Identifiers

• 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

• 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

Safety and Handling

Hazard Category	H302-H350
Hazard Statement	GHS H Statement H350-H302 May cause cancer. Harmful if swallowed.
Precautionary Statement	P201-P202-P264b-P270-P281-P301+P312-P308+P313-P330-P501c
DOTInformation	Transport Hazard Class: 9; Packing Group: III; Proper Shipping Name: ENVIRONMENTALLY HAZARDOUS SUBSTANCES, SOLID, N.O.S.
EINECSNumber	210-322-5
RTECSNumber	DD1226000
TSCA	Yes
Recommended Storage	Ambient temperatures; Store under Argon

SDS

RUO – Research Use Only