Terephthalaldehyde is an important fine chemical raw material downstream. Because of its two active aldehyde groups in its molecular structure, it can self-polymerize or copolymerize with other monomers to form polymer materials.
It is the main raw material for the production of fluorescent whitening agent, and it is also used in the synthesis of dyes .Used in the production of brighteners, resins, plastics, etc.
Terephthalaldehyde can be used as a feedstock for the following synthetic reactions:
Synthesis of thickened bisbenzoquinoline derivatives by one-pot three-component reactions with aromatic amines and cyclic ketones.
He maha nga wheketere kounga teitei me te mahi tahi, ka taea e koe te whakarato i nga hua o te kounga teitei me nga utu whakataetae. Ka taea hoki e matou te tuku utu mo nga hokonga nui.A ka mahi tahi matou me te maha o nga kamupene kawe utanga ngaio, ka taea te tuku hua ma te humarie me te pai ki o ringaringa. Ko te wa tuku mo nga ra 3-20 i muri i te whakapumautanga o te utu.
Items
|
Whakatakotoranga
|
Hua
|
Te ahua
|
paura ma |
Confirm
|
Odor& Taste
|
Characteristic
|
Confirm
|
Loss on drying
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≤8.0%
|
2.8%
|
Assay(HPLC)
|
99.0% min
|
99.2%
|
Te pungarehu
|
≤1.0%
|
0.35%
|
Heavy Metal
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≤10 ppm
|
Confirm
|
As
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≤1.0ppm
|
Confirm
|
Pb
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≤1.0ppm
|
Confirm
|
Cd
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≤1.0ppm
|
Confirm
|
Hg
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≤0.1ppm
|
Confirm
|
Total plate count
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≤1000 cfu/g
|
Confirms
|
Yeast&Mold
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≤100 cfu/g
|
Confirms
|
E.Coli
|
He kino
|
He kino
|
Haramona
|
He kino
|
He kino
|
Staphylococcus aureus
|
He kino
|
He kino
|
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