A7665712
o-Toluidine , Analysis standard , 95-53-4
Synonym(s):
2-Aminotoluene;2-Aminotoluene, 2-Methylaniline;2-Methylaniline;o-Toluidine
CAS NO.：95-53-4
Empirical Formula: C7H9N
Molecular Weight: 107.15
MDL number: MFCD00007730
EINECS: 202-429-0
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | -23 °C |
| Boiling point: | 199-200 °C(lit.) |
| Density | 1.008 g/mL at 25 °C(lit.) |
| vapor density | 3.7 (vs air) |
| vapor pressure | 0.26 mm Hg ( 25 °C) |
| refractive index | n |
| Flash point: | 185 °F |
| storage temp. | 2-8°C |
| solubility | 1.5 g/100 mL (25°C) |
| Colour Index | 37077 |
| pka | 4.44(at 25℃) |
| form | liquid |
| color | light yellow to light amber |
| Odor | Aromatic, aniline-like. |
| PH | 7.4 (H2O, 20℃)Aqueous solution |
| explosive limit | 1.5-7.5%(V) |
| Water Solubility | 1.5 g/100 mL (25 ºC) |
| Sensitive | Air & Light Sensitive |
| Merck | 14,9536 |
| BRN | 741981 |
| Henry's Law Constant | 1.98 at 25 °C (thermodynamic method-GC/UV spectrophotometry, Altschuh et al., 1999) |
| Exposure limits | TLV-TWA 2 ppm (～9 mg/m3) (ACGIH),
5 ppm (～22 mg/m3) (MSHA, OSHA, and
NIOSH); IDLH level 100 ppm (NIOSH);
carcinogenicity: Suspected Human Carcino gen (ACGIH), Human Limited Evidence
(IARC). |
| Dielectric constant | 6.3399999999999999 |
| InChIKey | RNVCVTLRINQCPJ-UHFFFAOYSA-N |
| LogP | 1.4 at 24.5℃ |
| CAS DataBase Reference | 95-53-4(CAS DataBase Reference) |
| IARC | 1 (Vol. Sup 7, 77, 99, 100F) 2012 |
| NIST Chemistry Reference | Benzenamine, 2-methyl-(95-53-4) |
| EPA Substance Registry System | o-Toluidine (95-53-4) |
Description and Uses
It was used in determination of glucose in biological materials.It was used as precursor in the synthesis of poly(o-toluidine) and copper nanoparticle composite material.
Safety
| Symbol(GHS) |    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,F |
| Risk Statements | 45-23/25-36-50-35-20/22-10-39/23/24/25-23/24/25-11 |
| Safety Statements | 53-45-61-36/37/39-26-36/37-16-7 |
| RIDADR | UN 2920 8/PG 1 |
| WGK Germany | 3 |
| RTECS | XU2975000 |
| F | 8-10-23 |
| Autoignition Temperature | 899 °F |
| TSCA | Yes |
| HazardClass | 6.1 |
| PackingGroup | II |
| HS Code | 29214300 |
| Hazardous Substances Data | 95-53-4(Hazardous Substances Data) |
| Toxicity | LD50 orally in rats: 0.94 g/kg (Smyth) |
| IDLA | 50 ppm |
