1,1,3,3-Tetramethoxypropane, CAS No. 102-52-3

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102-52-3

Catalog No. EBD43462

CAS 102-52-3

Name 1,1,3,3-Tetramethoxypropane

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Basic Information

Synonyms: Malonaldehydetetramethylacetal TMOP 1,1,1,2-tetramethoxypropane 1,1,3,3-tetramethoxy-propan malonaldehydebiscdimethyacetal tetramethoxypropane malonaldehydetetramethyldiacetal malondialdehydebis(dimethylacetal) Malonaldehydebis(dimethylacetal) 1,1,3,3-Tetramethoxypropane

Molecular Formula: C7H16O4

Molecular Weight: 164.2

MDL Number: MFCD00008488

Categories: Materials Chemistry > Optoelectronic and Organic Semiconductor Materials > Dye Precursors Synthetic Chemistry > Organic Building Blocks > Aldehydes and Ketones

Product Description:

1,1,3,3-Tetramethoxypropane is a colorless to pale yellow liquid with the molecular formula C7H16O4. It serves as a versatile synthetic precursor, most notably as a protected form of malondialdehyde (MDA). This compound is a key building block in the synthesis of various heterocyclic systems, including pyrimidines and pyridines. Its primary industrial application is as a crucial intermediate in the production of polymethine dyes, particularly cyanine dyes. These dyes are extensively used in photographic sensitizers, optical data storage media, and as fluorescent probes and labels in biological imaging and diagnostics. The compound acts as a source of a three-carbon unit with terminal aldehyde functionality upon deprotection, enabling the construction of the characteristic conjugated polymethine chain central to cyanine dye chemistry. Additionally, 1,1,3,3-tetramethoxypropane is employed in organic synthesis for the preparation of other fine chemicals and pharmaceutical intermediates. It requires careful handling as it is moisture-sensitive and can decompose to release malondialdehyde.

Physical Properties

Boiling Point: 183 °C(lit.)

Flash Point: 54 °C

Density: 0.997 g/mL at 25 °C(lit.)

Solubility: IMMISCIBLE

Refractivity: n20/D 1.407(lit.)

Safety Information

Packing Level: III

Hazard Category: 3

Transport Codes: 1993C

Analytical Data

Appearance: clear colourless to yellow-brown liquid