Introduction：Basic information about 1,3,3-Trimethyl-2-methyleneindoline CAS 118-12-7, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
1,3,3-Trimethyl-2-methyleneindoline Basic information
| Product Name: | 1,3,3-Trimethyl-2-methyleneindoline |
| Synonyms: | FISCHER BASE;FISCHERS BASE;FISCHER'S BASE;1,3,3-TRIMETHYL-2-METHYLENEINDOINE;1,3,3-TRIMETHYL-2-METHYLENE INDOLENINE;1,3,3'-TRIMETHYL-2-METHYLENEINDOLINE;1,3,3-TRIMETHYL-2-METHYLENEINDOLINE;2-METHYLENE-1,3,3-TRIMETHYLINDOLINE |
| CAS: | 118-12-7 |
| MF: | C12H15N |
| MW: | 173.25 |
| EINECS: | 204-235-1 |
| Product Categories: | Indole;Intermediates of Dyes and Pigments |
| Mol File: | 118-12-7.mol |
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1,3,3-Trimethyl-2-methyleneindoline Chemical Properties
| Melting point | -8 °C |
| Boiling point | 248 °C (lit.) |
| density | 0.979 g/mL at 25 °C (lit.) |
| refractive index | n20/D 1.577(lit.) |
| Fp | 215 °F |
| storage temp. | Store below +30°C. |
| solubility | negligible |
| form | liquid |
| pka | 2.19±0.40(Predicted) |
| Specific Gravity | 0.98 |
| color | red |
| Water Solubility | negligible |
| BRN | 131162 |
| InChI | 1S/C12H15N/c1-9-12(2,3)10-7-5-6-8-11(10)13(9)4/h5-8H,1H2,2-4H3 |
| InChIKey | ZTUKGBOUHWYFGC-UHFFFAOYSA-N |
| SMILES | CN1C(=C)C(C)(C)c2ccccc12 |
| CAS DataBase Reference | 118-12-7(CAS DataBase Reference) |
| NIST Chemistry Reference | 1H-Indole, 2,3-dihydro-1,3,3-trimethyl-2-methylene-(118-12-7) |
| EPA Substance Registry System | 1H-Indole, 2,3-dihydro-1,3,3-trimethyl-2-methylene- (118-12-7) |
Safety Information
| Hazard Codes | Xn,N |
| Risk Statements | 22-38-50/53 |
| Safety Statements | 28-60-61-57-37 |
| RIDADR | UN 3082 9/PG 3 |
| WGK Germany | 2 |
| RTECS | NM1926500 |
| F | 23 |
| TSCA | TSCA listed |
| HazardClass | 9 |
| PackingGroup | III |
| HS Code | 29339990 |
| Storage Class | 10 - Combustible liquids |
| Hazard Classifications | Acute Tox. 4 Oral
Aquatic Acute 1 |
1,3,3-Trimethyl-2-methyleneindoline Usage And Synthesis
| Chemical Properties | clear red liquid |
| Uses | Reactant for:
- Cycloaddition reactions
- Preparation of red photochromic dyes
- Synthesis of photochromic homopolymers via ring-opening metathesis polymerization
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1,3,3-Trimethyl-2-methyleneindoline Preparation Products And Raw materials
| Raw materials | Sodium carbonate-->Dimethyl sulfate-->p-Toluenesulfonic acid-->Aniline-->2-Butanone-->Sodium metabisulfite-->Phenylhydrazine-->Indole-->Dimethyl phthalate-->Methyl p-toluenesulfonate-->Phenylhydrazine sulfate-->Acetonitrile, (1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)--->3H-Indolium, 1,2,3,3-tetramethyl--->2,3,3-Trimethylindolenine-->1-Methylindole |
| Preparation Products | ASTRAZON PINK FG-->2-[2-[4-[(4-ethoxyphenyl)methylamino]phenyl]vinyl]-5-(methoxycarbonyl)-1,3,3-trimethyl-3H-indolium chloride-->Catonic Orange G-->ASTRAZON PINK FG-->ASTRAZON ORANGE R |
