Name | 2,3-Dimethylindole |
Synonyms | 2,3-Dimethylindole 2,3-dimethyl-indol 2,3-DIMETHYLINDOLE 2,3-DIMETHYLINDOLINE Indole, 2,3-dimethyl- 2,3-dimethyl-1h-indol 2,3-dimethyl-1H-indole 2,3-DIMETHYL-1H-INDOLE 2,3-dimethyl-3H-indole 5-ethyl-5-methyl-2-(phenylmethyl)-1,3-dioxane |
CAS | 91-55-4 |
EINECS | 202-076-2 |
InChI | InChI=1/C10H11N/c1-7-8(2)11-10-6-4-3-5-9(7)10/h3-7H,1-2H3 |
Molecular Formula | C10H11N |
Molar Mass | 145.2 |
Density | 1.0641 (estimate) |
Melting Point | 105-107 °C (lit.) |
Boling Point | 285 °C (lit.) |
Flash Point | 285°C/750mm |
Vapor Presure | 0.434mmHg at 25°C |
Appearance | Solid |
Color | White to Amber |
BRN | 116662 |
pKa | 17.87±0.30(Predicted) |
Storage Condition | under inert gas (nitrogen or Argon) at 2–8 °C |
Refractive Index | 1.6030 (estimate) |
MDL | MFCD00005617 |
Physical and Chemical Properties | Crystallization of thallus. Melting point 107-109 ℃, boiling point 285 ℃(100kPa). Soluble in ethanol, ether and concentrated hydrochloric acid, slightly soluble in hot water and petroleum. Can volatilize with water vapor. |
Use | Used as a dye, pharmaceutical intermediates |
Safety Description | 24/25 - Avoid contact with skin and eyes. |
WGK Germany | 3 |
RTECS | NL7185000 |
TSCA | Yes |
HS Code | 29339900 |
NIST chemical information | information provided by: webbook.nist.gov (external link) |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
Use | as a dye intermediate. used as dye and pharmaceutical intermediate |
production method | is obtained by condensation and ring closure of phenylhydrazine and methyl ethyl ketone in the presence of sulfuric acid. |