o-Toluidine
SIAL/89610 - purum p.a., ≥99.5% (GC)
Synonym: 2-Aminotoluene; 2-Methylaniline
CAS Number: 95-53-4
Empirical Formula (Hill Notation): C7H9N
Molecular Weight: 107.15
EC Number: 202-429-0
MDL Number: MFCD00007730
Linear Formula: CH3C6H4NH2
Product Type: Chemical
| assay | ≥99.5% (GC) |
| autoignition temp. | 899 °F |
| bp | 199-200 °C (lit.) |
| 89-90 °C/11 mmHg (lit.) | |
| cation traces | Ca: ≤5 mg/kg |
| Cd: ≤1 mg/kg | |
| Co: ≤1 mg/kg | |
| Cr: ≤1 mg/kg | |
| Cu: ≤1 mg/kg | |
| Fe: ≤1 mg/kg | |
| K: ≤20 mg/kg | |
| Mg: ≤1 mg/kg | |
| Mn: ≤1 mg/kg | |
| Na: ≤20 mg/kg | |
| Ni: ≤1 mg/kg | |
| Pb: ≤1 mg/kg | |
| Zn: ≤1 mg/kg | |
| density | 1.008 g/mL at 25 °C (lit.) |
| form | liquid |
| grade | purum p.a. |
| ign. residue | ≤0.01% (as SO4) |
| impurities | ≤0.1% water |
| ≤0.5% m- and p-toluidine (GC) | |
| InChI | 1S/C7H9N/c1-6-4-2-3-5-7(6 |
| InChI key | RNVCVTLRINQCPJ-UHFFFAOYSA |
| mp | −28 °C (lit.) |
| Quality Level | 100  |
| refractive index | n |
| n |
|
| SMILES string | Cc1ccccc1N |
| solubility | H2O: slightly soluble |
| vapor density | 3.7 (vs air) |
| vapor pressure | 0.26 mmHg ( 25 °C) |
| Application: | o-Toluidine may be used as a TLC Visualization (Staining) Reagent for the detection of reducing sugars in protein hydrolysates by using high-performance thin-layer chromatography (HPTLC) coupled with UV diffuse reflectance scanning densitometry. |
| Caution: | may discolor on storage |
| General description: | o-Toluidine belongs to the class of monocyclic aromatic amines, which are of research and industrial importance. It can be used as a derivatization agent for the resolution of analytes by the formation of chromophores, which can be visualized by UV radiation or fluorescence. |
| Symbol |    GHS06,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H301 + H331 - H319 - H350 - H410 |
| Precautionary statements | P202 - P261 - P273 - P301 + P310 - P304 + P340 + P311 - P305 + P351 + P338 |
| Hazard Codes | T,N |
| Risk Statements | 45-23/25-36-50 |
| Safety Statements | 53-45-61 |
| RIDADR | UN 1708 6.1 / PGII |
| WGK Germany | WGK 3 |
| Flash Point(F) | 185.0 °F - closed cup |
| Flash Point(C) | 85 °C - closed cup |
| Purity | ≥99.5% (GC) |
| bp | 199-200 °C (lit.); 89-90 °C/11 mmHg (lit.) |
| mp | −28 °C (lit.) |
| Density | 1.008 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352100 |