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product name: Diazo-2,1,5-Chloride
productivity: 120T per year
description:
CAS No. 3770-97-6
Trade name : NAC-5
Synonyms:
215 Sulphochloride,
2-Diazo-1-naphthol-5-sulphochloride,
6-Diazo-5, 6-dihydro-5-oxo-1-Naphthalenesulfonyl chloride,
1, [long word]
Appearance:Yellow to orange crystles
Application: photosensitive materials,photoactive compound,sensitizer for positive PS plates and photoresist for printed circuit, integrated circuit, LCD .

product name: Diazo-2,1,4-Chloride
productivity: 120T per year
description:
CAS No. 36451-09-9
Trade name:NAC-4
Synonyms:
214 Sulphochloride,
2-Diazo-1-naphthol-4-sulphochloride,
1, 2-Naphthoquinone-2-diazide-4-sulfonyl chloride.
Appearance:Yellow to orange crystles
Application: photosensitive materials,photoactive compound,sensitizer for positive PS plates and photoresist for printed circuit, integrated circuit, LCD .

product name: Diazo-2,1,5-Sulfonic acid sodium salts
productivity: 1500T per year
description:
CAS No. 2657-00-3
Trade name:NAS-5
Synonyms:
215 Sulfonic acid sodium salt,
2-Diazo-1-naphthol-5-sulfonate,
2-Diazo-1-naphthol-5-sulfonic acid, sodium salt,
1,2-Naphthoquinone-2-diazido-5-sulfonic acid sodium salt.
Appearance:Yellow or orange powder
Application: photosensitive materials,photoactive compound,sensitizer for positive PS plates and photoresist for printed circuit, integrated circuit, LCD .


NIR (near infaraed )dyes absorption maximum from 600nm to 1100nm,together are almost twenty species, applying in CD-R or DVD-R,forgery prevent agent in printing,xerography(color printer) and so on .


Product name :N,N,N?,N?-Tetrakis(4-aminophenyl)-1,4-phenylenediamine
CAS No:3283-07-6
MF:C30H28N6
FW:472.6
Appearance:Kelly powder
Purity:≥98%(HPLC)
Mp:>300℃
Application:intermediate for NIR(near infaraed) dyes