118-12-7

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118-12-7 Structure

Identification	More
[Name] 1,3,3-Trimethyl-2-methyleneindoline
[CAS] 118-12-7
[Synonyms] 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 FISCHER BASE FISCHERS BASE FISCHER'S BASE 1,3,3-trimethyl-2-methylene-indolin 1,3-Dihydro-1,3,3-trimethyl-2-methyleneindoline 2,3-dihydro-1,3,3-trimethyl-2-methylene-1h-indol 2,3-dihydro-1,3,3-trimethyl-2-methylene-1H-Indole 2,3-Dihydro-1,3,3-trimethyl-2-methyleneindoline 2-methylene-1,3,3-trimethyl-indolin fischer’smethylenebase Fischer'S methylene base Indoline, 1,3,3-trimethyl-2-methylene- Indoline, 2-methylene-1,3,3-trimethyl- 1,3,3-TRIMETHYL-2-METHYLENEINDOLINE, FOR PAPER CHROMATOGR. 1,3,3-Trimethyl-2-Methyleneindole
[EINECS(EC#)] 204-235-1
[Molecular Formula] C12H15N
[MDL Number] MFCD00005813
[Molecular Weight] 173.25
[MOL File] 118-12-7.mol

Chemical Properties	Back Directory
[Appearance] clear red liquid
[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)
[color ] red
[Specific Gravity] 0.98
[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] 118-12-7(EPA Substance)

Safety Data	Back Directory
[Symbol(GHS) ] GHS07,GHS09
[Signal word ] Warning
[Hazard statements ] H302-H400
[Precautionary statements ] P273-P301+P312+P330
[Hazard Codes ] Xn,N
[Risk Statements ] R22:Harmful if swallowed. R38:Irritating to the skin. R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
[Safety Statements ] S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) . S60:This material and/or its container must be disposed of as hazardous waste . S61:Avoid release to the environment. Refer to special instructions safety data sheet . S57:Use appropriate container to avoid environmental contamination . S37:Wear suitable gloves .
[RIDADR ] UN 3082 9/PG 3
[WGK Germany ] 2
[RTECS ] NM1926500
[F ] 23
[TSCA ] Yes
[REACH Registrations] Active
[HazardClass ] 9
[PackingGroup ] III
[HS Code ] 29339990
[Storage Class] 10 - Combustible liquids
[Hazard Classifications] Acute Tox. 4 Oral Aquatic Acute 1

Raw materials And Preparation Products	Back Directory
[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

Material Safety Data Sheet(MSDS)	Back Directory
[msds information] 1,3,3-Trimethyl-2-methyleneindoline(118-12-7).msds

Hazard Information	Back Directory
[Chemical Properties] clear red liquid
[Uses] Reactant for: Cycloaddition reactions Preparation of red photochromic dyes Synthesis of photochromic homopolymers via ring-opening metathesis polymerization

Spectrum Detail	Back Directory
[Spectrum Detail] 1,3,3-Trimethyl-2-methyleneindoline(118-12-7)MS 1,3,3-Trimethyl-2-methyleneindoline(118-12-7)¹HNMR 1,3,3-Trimethyl-2-methyleneindoline(118-12-7)¹³CNMR 1,3,3-Trimethyl-2-methyleneindoline(118-12-7)IR1 1,3,3-Trimethyl-2-methyleneindoline(118-12-7)Raman

Well-known Reagent Company Product Information	Back Directory
[Acros Organics] 1,3,3-Trimethyl-2-methyleneindoline, 98.50%(118-12-7)
[Alfa Aesar] 1,3,3-Trimethyl-2-methyleneindoline, 95%(118-12-7)
[Sigma Aldrich] 118-12-7(sigmaaldrich)
[TCI AMERICA] 1,3,3-Trimethyl-2-methyleneindoline,>95.0%(GC)(118-12-7)

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