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Sigma
o-Tolidine dihydrochloride
T6269 -
≥97%
DOWNLOAD MSDS (PDF)Synonym: 3,3′-Dimethylbenzidine dihydrochloride, 4,4′-Bianisidine dihydrochloride, 4,4′-Diamino-3,3′-dimethylbiphenyl dihydrochloride
CAS Number: 612-82-8
Linear Formula: [-C6H3(CH3)-4-NH2]2 · 2HCl
Molecular Weight: 285.21
Beilstein Registry Number: 3713238
EC Number: 210-322-5
MDL number: MFCD00012960
PubChem Substance ID: 24900363
Properties
| Related Categories | Amine Salts, Nitrogen Compounds, Organic Building Blocks, Stains & Dyes, A to Z, Stains and Dyes, |
| assay | ≥97% |
| color | white to light yellow |
Description
Application
Sensitive colorimetric reagent for gold and for free chlorine in water.
Warning
May be carcinogenic.
Price and Availability
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Safety Information
| Symbol |    GHS07, GHS08, GHS09 |
| Signal word | Danger |
| Hazard statements | H302-H350-H411 |
| Precautionary statements | P201-P273-P308 + P313 |
| Personal Protective Equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
| Hazard Codes | T,N |
| Risk Statements | 45-22-51/53 |
| Safety Statements | 53-45-61 |
| RIDADR | UN 3077 9/PG 3 |
| WGK Germany | 3 |
Technical information & documentation associated with this product is available in the Safety & Documentation tab.
References
Merck 14,9514
Beil. 13,H,256
RegBook 1 (1), 1405:H / Structure Index 1, 218:C:6
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