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Alfa Aesar |
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| | 1,3,3-Trimethyl-2-methyleneindoline Basic information |
| Product Name: | 1,3,3-Trimethyl-2-methyleneindoline | | Synonyms: | 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;1,3,3-trimethyl-2-methylene-indolin;1,3-Dihydro-1,3,3-trimethyl-2-methyleneindoline | | 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 |  |
| | 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) |
| 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 |
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