Cas no for 623-27-8,Terephthaldicarboxaldehyde ACID Cas number search msds database,online free cas number chemistry search engine,cas number sigma aldrich

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Home > CAS No. Inquiry > 623-27-8

623-27-8

[CAS Name] Terephthaldicarboxaldehyde

[Formula] C8H6O2

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[CAS Name]Terephthaldicarboxaldehyde
[Alias]Benzene-1,4-dicarboxaldehyde; terephthalaldehyde; Terephthaldicarbo; p-Phthalaldehdye; p-Phthaldialdehyde; Terephthaldicarbozaldehyde; 1,4-Phthalaldehyde; terephthaldehyde; benzene-1,4-dicarbaldehyde
[Number]623-27-8
[EINECS]210-784-8
[Formula]C8H6O2
[Molecular weight]134.132

[Melting point]114-116℃
[Boiling point]246.5°C at 760 mmHg
[Density]0.027mmHg at 25°C
[Flash point]101.7°C

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YangZhou ShuangDing Chem Co.,Ltd.

Melting point	114-116 °C (lit.)
Boiling point	245-248 °C (lit.)
density	1,06 g/cm3
vapor pressure	0.25-0.46Pa at 20-25℃
refractive index	1.4800 (estimate)
Fp	76 °C
storage temp.	Store below +30°C.
solubility	3g/l
form	Crystalline Powder
color	White to light yellow
Water Solubility	3 g/L (50 ºC)

Terephthalaldehyde is an aromatic dialdehyde. Theoretically, the two aldehydes of terephthalaldehyde (TPA) are equivalent, so the single or double Schiff base from TPA and d-glucosamine (Glc) may be formed at the same time. It is used as an intermediate for the preparation of dyes and fluorescent whitening agents and in the synthesis of polyimines by reacting with aliphatic diamines. It is also used as a precursor for the preparation of paramagnetic microporous polymeric organic frameworks (POFs) through copolymerization with pyrrole, indole, and carbazole. As a good crosslinking agent, it could used in crosslinked chitosan hydrogel for the selective removal of anionic dyes[1].

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