1,3,3-Trimethyl-2-(formylmethylene)indoline supplier

Name
1,3,3-Trimethyl-2-(formylmethylene)indoline
EINECS 201-565-8
CAS No. 84-83-3
Article Data16
CAS DataBase
Density 1.102 g/cm³
Solubility
Melting Point 112-116 ºC
Formula C₁₃H₁₅NO
Boiling Point 301.4 ºC at 760 mmHg
Molecular Weight 201.268
Flash Point 107.2 ºC
Transport Information
Appearance
Safety 26-36
Risk Codes 36/37/38
Molecular Structure
Hazard Symbols Xi
Synonyms 1,3,3-Trimethyl-2-methyleneindoline-w-aldehyde;1,3,3-Trimethyl-D2,a-indolineacetaldehyde;2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde;2-(2,3-Dihydro-1,3,3-trimethyl-1H-indol-2-ylidene)acetaldehyde;2-(Formylmethylene)-1,3,3-trimethylindoline;2-(Formylmethylene)-2,3-dihydro-1,3,3-trimethylindole;Fischer's aldehyde;NSC68048;(1,3-Dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)acetaldehyde;(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde;D2,a-Indolinacetaldehyde, 1,3,3-trimethyl- (6CI);D2,a-Indolineacetaldehyde, 1,3,3-trimethyl- (7CI,8CI);Acetaldehyde,(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)- (9CI);1,3,3-Trimethyl-2-(formylmethylene)-2,3-dihydroindole;
PSA 20.31000
LogP 2.56180

Synthetic route

: 118-12-7
1,3,3-Trimethyl-2-methyleneindoline

: 68-12-2, 33513-42-7
N,N-dimethyl-formamide

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

Conditions

Conditions	Yield
Stage #1: N,N-dimethyl-formamide With trichlorophosphate at 0℃; for 2h; Stage #2: 1,3,3-Trimethyl-2-methyleneindoline In N,N-dimethyl-formamide at 0 - 60℃;	76.4%
Stage #1: N,N-dimethyl-formamide With trichlorophosphate Inert atmosphere; Stage #2: 1,3,3-Trimethyl-2-methyleneindoline In N,N-dimethyl-formamide at 50℃; for 0.75h; Inert atmosphere;	60%
With trichlorophosphate anschliessendes Hydrolysieren;
With trichlorophosphate at 10 - 20℃; for 10h;	8.1 g

: 118-12-7
1,3,3-Trimethyl-2-methyleneindoline

: 3724-43-4, 149409-22-3
Vilsmeier reagent

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

Conditions

Conditions	Yield
Stage #1: 1,3,3-Trimethyl-2-methyleneindoline; Vilsmeier reagent In dichloromethane at 20℃; Inert atmosphere; Stage #2: With potassium carbonate In tetrahydrofuran; water at 20℃; for 12h;	43%
With sodium hydroxide In dichloromethane; water for 1.75h; Cooling with ice;

: 118-12-7
1,3,3-Trimethyl-2-methyleneindoline

: 93-61-8
N-methyl-N-phenylformamide

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

Conditions

Conditions	Yield
With 1,2-dichloro-benzene; trichlorophosphate anschliessendes Hydrolysieren;
With phosgene; benzene anschliessendes Hydrolysieren;
With 1,2-dichloro-benzene; trichlorophosphate anschliessendes Hydrolysieren;

: 1592-43-4
1,3,3-trimethylspiro[indoline-2,3'-[3H]naphtho[2,1-b]pyran]

A: 20200-86-6
1,3,3-trimethyl-1,3-dihydro-2H-indol-2-one

B: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

Conditions

Conditions	Yield
In acetonitrile at 13℃; Product distribution; Irradiation; photodecomposition and singlet oxygen production during photosensitization;

: 1640-39-7
2,3,3-trimethylindoleniune

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: acetonitrile / Reflux; Inert atmosphere 2: trichlorophosphate / Inert atmosphere View Scheme
Multi-step reaction with 3 steps 1: acetonitrile / 24 h / 85 °C / Inert atmosphere 2: sodium hydroxide / diethyl ether / 0.5 h 3: sodium hydroxide / dichloromethane; water / 1.75 h / Cooling with ice View Scheme
Multi-step reaction with 3 steps 1: acetonitrile / 12 h / Reflux 2: sodium hydroxide / water / 2 h / 50 °C 3: trichlorophosphate / 10 h / 10 - 20 °C View Scheme

: 5418-63-3
1,2,3,3-tetramethyl-3H-indolium iodide

: 68-12-2, 33513-42-7
N,N-dimethyl-formamide

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

Conditions

Conditions	Yield
Stage #1: 1,2,3,3-tetramethyl-3H-indolium iodide; N,N-dimethyl-formamide With trichlorophosphate Vilsmeier-Haack Formylation; Inert atmosphere; Stage #2: With sodium hydroxide Vilsmeier-Haack Formylation;

: 19764-96-6
1,1′,3,3,3′,3′-hexamethylindotricarbocyanine iodide

A: 20200-86-6
1,3,3-trimethyl-1,3-dihydro-2H-indol-2-one

B: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

Conditions

Conditions	Yield
With sodium 3-(4-methyl-1-naphthyl)propionate endoperoxide In acetonitrile at 34℃;	A 71.7 %Chromat. B 10.3 %Chromat.

: 19764-96-6
1,1′,3,3,3′,3′-hexamethylindotricarbocyanine iodide

A: 20200-86-6
1,3,3-trimethyl-1,3-dihydro-2H-indol-2-one

B: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

C: C18H20NO(1+)

D: C16H18NO(1+)

Conditions

Conditions	Yield
With water In acetonitrile at 22℃; Irradiation;	A 56.6 %Chromat. B 11.5 %Chromat. C n/a D n/a

...Expand

: 5418-63-3
1,2,3,3-tetramethyl-3H-indolium iodide

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: sodium hydroxide / diethyl ether / 0.5 h 2: sodium hydroxide / dichloromethane; water / 1.75 h / Cooling with ice View Scheme

: 100-63-0
phenylhydrazine

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: acetic acid / 10 h / 90 °C 2: acetonitrile / 12 h / Reflux 3: sodium hydroxide / water / 2 h / 50 °C 4: trichlorophosphate / 10 h / 10 - 20 °C View Scheme

: 563-80-4
3-methyl-butan-2-one

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: acetic acid / 10 h / 90 °C 2: acetonitrile / 12 h / Reflux 3: sodium hydroxide / water / 2 h / 50 °C 4: trichlorophosphate / 10 h / 10 - 20 °C View Scheme

: 46149-03-5
1,2,3,3-tetramethyl-3H-indol-1-ium iodide

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: sodium hydroxide / water / 2 h / 50 °C 2: trichlorophosphate / 10 h / 10 - 20 °C View Scheme

: IR-797 chloride

A: 20200-86-6
1,3,3-trimethyl-1,3-dihydro-2H-indol-2-one

B: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

C: C25H28NO3(1+)*Cl(1-)

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1.1: N-ethyl-N,N-diisopropylamine / acetonitrile / 0.25 h / 70 °C / Inert atmosphere; Microwave irradiation; Sealed tube 2.1: oxygen / dimethyl sulfoxide; aq. phosphate buffer / pH 7.4 / Irradiation; Inert atmosphere 2.2: 1 h / 37 °C / Irradiation; Inert atmosphere View Scheme

...Expand

: IR797-acac

A: 20200-86-6
1,3,3-trimethyl-1,3-dihydro-2H-indol-2-one

B: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

C: C25H28NO3(1+)*Cl(1-)

Conditions

Conditions	Yield
Stage #1: IR797-acac With oxygen In aq. phosphate buffer; dimethyl sulfoxide pH=7.4; Irradiation; Inert atmosphere; Stage #2: In aq. phosphate buffer; dimethyl sulfoxide at 37℃; for 1h; Irradiation; Inert atmosphere;

...Expand

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 2-methyl-4-tert-butylbenzothiopyrylium perchlorate

: 1,1,3-trimethyl-2-<3-(4-tert-butylbenzothiopyran-2-ylidene)-1-propen-1-yl>-3H-indolium perchlorate

Conditions

Conditions	Yield
In acetic anhydride at 100℃; for 0.166667h;	98%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 1495-54-1
isocyanatophosphoryl difluoride

: N-[2-(1,3,3-trimethyl-1,3-dihydro-2H-indol-2-yl-idene)ethylidene]phosphorodifluoridamide

Conditions

Conditions	Yield
In dichloromethane at 20℃; for 2h;	96%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 106-50-3
1,4-phenylenediamine

: (4-{[(E)-2-(1,3,3-trimethyl-3H-2-indoliumyl)-1-ethenyl]amino}phenyl)-(E)-2-(1,3,3-trimethyl-3H-2-indoliumyl)-1-ethen-1-amine bis(hydrogen sulfate)

Conditions

Conditions	Yield
With sulfuric acid at 20℃; for 24h;	95%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: C22H22N(1+)*ClO4(1-)

: 1-Methyl-2,4-diphenyl-8-<2-(1,3,3-trimethylindolin-2-ylidene)vinyl>-5,6,7,8-tetrahydroquinolinium Perchlorate

Conditions

Conditions	Yield
In isopropyl alcohol; acetonitrile Heating;	95%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 21016-30-8
2,4-Diphenyl-5,6-dihydrocyclopenta pyrylium perchlorate

: 1,3,3-Trimethyl-2-<2-(2,4-diphenyl-5,6-dihydrocyclopentapyran-7-yl)-vinyl>-3H-indolium Perchlorate

Conditions

Conditions	Yield
In isopropyl alcohol; acetonitrile Heating;	95%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 2-(1,3,3-trimethyl-2,3-dihydro-1H-indol-2-yl)ethanol

Conditions

Conditions	Yield
With chlorine[2-(4,5-dihydro-1H-imidazol-2-yl)-6-methoxypyridine](pentamethylcyclopentadienyl)iridium(III) chloride; sodium formate In water at 80℃; for 0.5h; Schlenk technique; chemoselective reaction;	95%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 1262110-39-3
2,2-difluoro-4-methyl-5-oxo-(5H)-(2,3,4,6,7,8-hexahydroquinolyzine)[9,10,1-g,h]chromeno[4,3-d]-1,3,2-(2H)-dioxaborine

: 1262110-48-4
2,2-difluoro-4-[3-(1,3,3-trimethylindolin-2-ylidene)-1-propenyl]-5-oxo-(5H)-(2,3,4,6,7,8-hexahydroquinolyzine)[9,10,1-g,h]chromeno[4,3-d]1,3,2-(2H)-dioxaborine

Conditions

Conditions	Yield
With acetic anhydride; triethylamine for 0.0833333h;	94%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: C27H36N2(2+)*2ClO4(1-)

: C53H62N4(2+)*2ClO4(1-)

Conditions

Conditions	Yield
With acetic anhydride for 0.0666667h; Heating;	92%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 108-45-2
m-phenylenediamine

: (3-{[(E)-2-(1,3,3-trimethyl-3H-2-indoliumyl)-1-ethenyl]amino}phenyl)-(E)-2-(1,3,3-trimethyl-3H-2-indoliumyl)-1-ethen-1-amine bis(hydrogen sulfate)

Conditions

Conditions	Yield
With sulfuric acid at 20℃; for 24h;	92%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 55181-01-6
2-Methyl-4-phenyl-1-benzo-1-thiopyrylium perchlorate

: 1,3,3-Trimethyl-2-<3-(4-phenylbenzothiopyran-2-ylidene)propen-1-yl>-3H-indolium Perchlorate

Conditions

Conditions	Yield
In acetic anhydride; acetic acid for 0.0333333h; heating;	90%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 3-methylpyrido<3,2,1-j,k>carbazolium perchlorate

: 3-<3-(1,3,3-trimethylindolinylidene-2)propenyl>pyrido<3,2,1-j,k>carbazolium perchlorate

Conditions

Conditions	Yield
In acetic anhydride for 0.5h; Heating;	90%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 2243-62-1
1,5-diaminonaphthalene

: (5-{[(E)-2-(1,3,3-trimethyl-3H-2-indoliumyl)-1-ethenyl]amino}-1-naphthyl)-(E)-2-(1,3,3-trimethyl-2,3-dihydro-1H-2-indolyl)-1-ethen-1-amine bis(hydrogen sulfate)

Conditions

Conditions	Yield
With sulfuric acid at 20℃; for 24h;	90%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 5873-51-8
2,2'-thiodianiline

: C38H40N4S(2+)*2HO4S(1-)

Conditions

Conditions	Yield
With sulfuric acid at 20℃; for 24h;	90%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 39108-47-9
1-butyl-6-hydroxy-4-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile

: C24H27N3O2

Conditions

Conditions	Yield
With acetic anhydride; ammonium chloride; acetic acid at 105℃; for 6h;	90%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: C24H26NO3

: 3H-indolium-2-[2-[9-(2-carboxyphenyl)-6-(diethylamino)-2,3-dihydro-1H-xanthen-4-yl]ethenyl]-1,3,3-trimethylperchlorate

Conditions

Conditions	Yield
In acetic anhydride at 50℃; for 2.5h; Knoevenagel Condensation;	89.4%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 52535-51-0
2,2',3,3,3',3'-hexamethyl-1,1'-tetramethylenedi<2(3H)-indolium> diiodide

: 2,2'-di<3-(1,3,3-trimethyl-2(3H)-indolylidene)-1-propenyl>-3,3,3',3'-tetramethyl-1,1'-tetramethylenedi(3H-indolium) diiodide

Conditions

Conditions	Yield
With acetic anhydride for 0.0833333h; Heating;	87%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 4-Methyl-1-(2-oxo-2-phenyl-ethyl)-quinolinium; perchlorate

: 1-{(E)-1-Benzoyl-3-[1,3,3-trimethyl-1,3-dihydro-indol-(2Z)-ylidene]-propenyl}-4-{(E)-3-[1,3,3-trimethyl-1,3-dihydro-indol-(2Z)-ylidene]-propenyl}-quinolinium; perchlorate

Conditions

Conditions	Yield
In acetic anhydride Heating;	86%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 74120-99-3
2,3,4,9-Tetrahydrofuro<2,3-b>quinoline-3,4-dione

: C24H20N2O3

Conditions

Conditions	Yield
With sodium hydroxide In ethanol for 6h; Reagent/catalyst; Solvent; Reflux;	86%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 2510-00-1
2-(1H-inden-2(3H)-ylidene)malononitrile

: 1612140-22-3
2-((1E,3E)-1,3-bis((E)-2-(1,3,3-trimethylindolin-2-ylidene)ethylidene)-1H-inden-2(3H)-ylidene)malononitrile

Conditions

Conditions	Yield
With acetic anhydride for 0.5h; Reflux;	85.7%

: 1,2,3,3,5,6,7,7-octamethyl-3,7-dihydropyrrolo[2,3-f]indolediium di(4-methyl-1-benzenesulfonate)

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 2-[3-[1,3,3,5,7,7-hexamethyl-6-[3-(1,3,3-trimethyl-3H-indolium-2-yl)-2-propenylidene]-1,2,3,5,6,7-hexahydropyrrolo[2,3-f]indol-2-yliden]-1-propenyl]-1,3,3-trimethyl-3H-indolium di(4-toluenesulfonate)

Conditions

Conditions	Yield
With acetic anhydride for 1h; Reflux;	85%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 1,2-dimethylquinolinium hexafluorophosphate

: 1-methyl-2-(3-(1,3,3-trimethylindolin-2-ylidene)prop-1-enyl)quinolin-1-ium hexafluorophosphate

Conditions

Conditions	Yield
In acetic anhydride at 80℃; for 1h;	85%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 4-Methyl-1-(1-naphthylmethyl)quinolinium perchlorate

: 1-(1-Naphthylmethyl)-4-<3-(1,3,3-trimethyl-2-indolinylidene)-1-propenyl>quinolinium perchlorate

Conditions

Conditions	Yield
In acetic anhydride Condensation; Heating;	83%
With acetic anhydride Heating;	83%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 2-methyl-4,6-diphenylpyrilium tetrafluoroborate

: BAS00127538

Conditions

Conditions	Yield
With acetic anhydride; acetic acid for 5h; Heating;	82%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 4-methyl-1-(2-oxochromen-3-ylcarbonylmethyl)pyridinium bromide

: 1-<1-(2-oxochromen-3-yl)-3-(1,3,3-trimethylindolin-2-ylidene)-1-propenyl>-4-<3-(1,3,3-trimethylindolin-2-ylidene)-1-propenyl>pyridinium bromide

Conditions

Conditions	Yield
With acetic anhydride Heating;	82%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 613-94-5
benzoic acid hydrazide

: 389610-87-1
C20H21N3O

Conditions

Conditions	Yield
In ethanol for 1h; Heating / reflux;	82%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 443795-60-6
2-methyl-6,7-dichlorothiazolo[4,5-b]quinoxaline

: 2-[3-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)-1-propenyl]-6,7-dichlorothiazolo[4,5-b]quinoxaline

Conditions

Conditions	Yield
With piperidine In ethanol for 8h; Knovenagel condensation; Heating;	81%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: C24H26NO4(1+)*ClO4(1-)

: C37H39N2O4(1+)*ClO4(1-)

Conditions

Conditions	Yield
With acetic anhydride at 50℃; for 0.5h;	81%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 2,4-bis-(4-methoxy-phenyl)-6-methyl-pyrylium; perchlorate

: 1,3,3-Trimethyl-2-<3-<4,6-di(4-methoxyphenyl)pyranylidene-2>-1-propenyl>-3H-indoline Perchlorate

Conditions

Conditions	Yield
With acetic anhydride	80%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 4-methyl-1-(2-oxochromen-3-ylcarbonylmethyl)quinolinium bromide

: 4-[3-(1,3,3-trimethylindolin-2-ylidene)-1-propenyl]-1-[1-(2-oxochromen-3-yl)-3-(1,3,3-trimethylindolin-2-ylidene)-1-propenyl]quinolinium bromide

Conditions

Conditions	Yield
In acetic anhydride Condensation; Heating;	80%

: 84-83-3
1,3,3-trimethyl-2-formylmethyleneindoline

: 5-hydroxycarbonyl-1,2,3,3-tetramethylindoleninium iodide

: C26H29N2O2(1+)*I(1-)

Conditions

Conditions	Yield
With acetic anhydride at 145℃; for 24h; Inert atmosphere;	80%
With acetic anhydride at 20℃; for 2.5h;	61%

1,3,3-Trimethyl-2-(formylmethylene)indoline Chemical Properties

Chemistry informtion about Fischer's Aldehyde (CAS NO.84-83-3) is:
IUPAC Name: (2E)-2-(1,3,3-trimethylindol-2-ylidene)acetaldehyde
Synonyms: 2-(Formylmethylene)-1,3,3-Trimethylindoline ; 2-Methylene-1,3,3-Trimethylindoline Acetaldehyde ; 2-(1,3,3-Trimethylindolin-2-Ylidene)Acetaldehyde ; 1,3,3-Trimethyl-2-(Formylmethylene)Indoline ; (1,3,3-Trimethyl-1,3-Dihydro-2h-Indol-2-Ylidene)Acetaldehyde ; (1,3,3-Trimethyl-1,3-Dihydro-Indol-2-Ylidene)-Acetaldehyde ; 1,3-Dihydro-1,3,3-Trimethyl-2h-Indol-2-Ylidene Acetaldehyde ; Fischer's Aldehyde
Product Categories: Intermediates of Dyes and Pigments ; Building Blocks ; Heterocyclic Building Blocks ; Indoles
MF: C₁₃H₁₅NO
MW: 201.26
EINECS: 201-565-8
Melting Point: 112-116 °C(lit.)
Density: 1.102 g/cm³
Flash Point: 107.2 °C
Boiling Point: 301.4 °C at 760 mmHg
Vapour Pressure: 0.00105 mmHg at 25°C
Enthalpy of Vaporization: 54.16 kJ/mol
Following is the molecular structure of Fischer's Aldehyde (CAS NO.84-83-3) is:

1,3,3-Trimethyl-2-(formylmethylene)indoline Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rat	LD50	oral	> 215mg/kg (215mg/kg)	behavioral: somnolence (general depressed activity) lungs, thorax, or respiration: chronic pulmonary edema lungs, thorax, or respiration: dyspnea	National Technical Information Service. Vol. OTS0535466,

1,3,3-Trimethyl-2-(formylmethylene)indoline Safety Profile

A poison by ingestion. When heated to decomposition it emits toxic vapors of NO_x.
Hazard Codes:
Irritant Xi
Risk Statements:
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements:
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
WGK Germany: 3
RTECS: AB2812500

1,3,3-Trimethyl-2-(formylmethylene)indoline Specification

First Aid Measures about Fischer's Aldehyde (CAS NO.84-83-3) is:
Ingestion: Seek medical assistance.
Inhalation: Move victim to fresh air. Apply artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult.
Skin: Remove and isolate contaminated clothing and shoes. Immediately flush with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin.
Eyes: Immediately flush with running water for at least 20 minutes.

Product Name

1,3,3-Trimethyl-2-(formylmethylene)indoline

Synthetic route

1,3,3-Trimethyl-2-(formylmethylene)indoline Chemical Properties

1,3,3-Trimethyl-2-(formylmethylene)indoline Toxicity Data With Reference

1,3,3-Trimethyl-2-(formylmethylene)indoline Safety Profile

1,3,3-Trimethyl-2-(formylmethylene)indoline Specification

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