1,3,3-Trimethyl-2-methyleneindoline Analytical Chemistry Chongqing Chemdad Co. ，Ltd

Product

1,3,3-Trimethyl-2-methyleneindoline

CAS No.：118-12-7

Other grades of this product :

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

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/D1.577(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
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	Yes
HazardClass	9
PackingGroup	III
HS Code	29339990

MSDS Information

Provider	Language
1,3,3-Trimethyl-2-methyleneindoline	English
SigmaAldrich	English
ACROS	English
ALFA	English

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

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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