Sinaint® 3,5-DABA

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Sinaint® 3,5-DABA

Other Catalysts And Additives

SINAINT® 3,5-DABA is an important monomer of new material polyimide film. Polyimide film is a new type of high temperature resistant polymer material with excellent comprehensive performance. It is widely used in high temperature resistant coatings, electromagnetic wires, semiconductor protective layers, and flexible printing. Circuit boards, solar modules and other fields. In addition, 3,5-diaminobenzoic acid is also an important dye and pharmaceutical intermediate, from which a series of yellow reactive dyes can be derived.

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SINAINT® 3,5-DABA


  • Synonym Name:3,5-Diaminobenzoic acid;DABA;1,3-diaminobenzene-5-carboxylic acid;1-Carboxy-3,5-Diaminobenzene

  • Cas No. ：535-87-5

  • Boiling point: 274.61°C

  • Flash point: 235-240°C

  • Molecular structure:

Spec :
Appearance Brown powder or needle-like solid


(Dark tan after oxidation)

Assay (HPLC-a/a), %≥99.0
Melting Point , ℃228～235
Loss on drying , %≤ 1.0


Application :

It is an important monomer of new material polyimide film. Polyimide film is a new type of high temperature resistant polymer material with excellent comprehensive performance. It is widely used in high temperature resistant coatings, electromagnetic wires, semiconductor protective layers, and flexible printing. Circuit boards, solar modules and other fields.

It is an important chemical intermediate, which can be used to synthesize various medicines and yellow reactive dyes


Package :

  • Bag,drum.

Storage :

  • Stored in a cool dry place out of direct sunlight.

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