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84-83-3

Basic Information
CAS No.: 84-83-3
Name: 1,3,3-Trimethyl-2-(formylmethylene)indoline
Molecular Structure:
Molecular Structure of 84-83-3 (1,3,3-Trimethyl-2-(formylmethylene)indoline)
Formula: C13H15NO
Molecular Weight: 201.29
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;
EINECS: 201-565-8
Density: 1.102 g/cm3
Melting Point: 112-116 ºC
Boiling Point: 301.4 ºC at 760 mmHg
Flash Point: 107.2 ºC
Solubility:
Appearance:
Hazard Symbols: IrritantXi
Risk Codes: 36/37/38
Safety: 26-36
Transport Information:
PSA: 20.31000
LogP: 2.56180
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  • 1,3,3-Trimethyl-2-(formylmethylene)indoline      CAS: 84-83-3

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Chemistry

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:

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,

Safety Profile

A poison by ingestion. When heated to decomposition it emits toxic vapors of NOx
Hazard Codes:
IrritantXi
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

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.