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550817

Sigma-Aldrich

2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde

97%

Synonym(s):

(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde, 1,3,3-Trimethyl-Δ2,α-indolineacetaldehyde, 1,3,3-Trimethyl-2-(formylmethylene)-2,3-dihydroindole, 1,3,3-Trimethyl-2-methyleneindoline-ω-aldehyde, Fischer′s aldehyde, NSC 68048

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About This Item

Empirical Formula (Hill Notation):
C13H15NO
CAS Number:
84-83-3
Molecular Weight:
201.26
EC Number:
201-565-8
MDL number:
MFCD00071813
UNSPSC Code:
12352100
PubChem Substance ID:
24879071
NACRES:
NA.22

Assay

97%

mp

112-116 °C (lit.)

storage temp.

2-8°C

SMILES string

CN1c2ccccc2C(C)(C)\C1=C/C=O

InChI

1S/C13H15NO/c1-13(2)10-6-4-5-7-11(10)14(3)12(13)8-9-15/h4-9H,1-3H3/b12-8+

InChI key

GCECACVNILMTRD-XYOKQWHBSA-N

General description

2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde is an a,ß-unsaturated aldehyde.

Application

2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde may be used in the preparation of 1,3,3-trimethyl-2-anilino-vinyl-3-H-indolium salts, which are mainly used as hemicyanine dyes in textile industry.
Reactant for preparation of:
  • Cyanine dyes
  • Photopolymer holographic recording materials

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

550817-VAR:
550817-BULK:
550817-25G:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Synthesis and characterisation of 3-H-indolo-2-dimethinehemicyanine dyes obtained by the condensation of (1,3,3-trimethylindolin-2-ylidene) acetaldehyde with anilines in acetic acid.
Gaspar CL, et al.
Dyes and Pigments, 74(2), 306-312 (2007)

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