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Home > Encyclopedia > Benzoic acid, 2-hydroxy-5-[2-[4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-, sodium salt (1:2)

Benzoic acid, 2-hydroxy-5-[2-[4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-, sodium salt (1:2)

Benzoic acid, 2-hydroxy-5-[2-[4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-, sodium salt (1:2) structure

Benzoic acid, 2-hydroxy-5-[2-[4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-, sodium salt (1:2) 

structure
  • CAS No:

    3564-27-0

  • Formula:

    C19H14N4O6S.2Na

  • Chemical Name:

    Benzoic acid, 2-hydroxy-5-[2-[4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-, sodium salt (1:2)

  • Synonyms:

    Benzoic acid,2-hydroxy-5-[2-[4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-,sodium salt (1:2);C.I. Mordant Orange 6,disodium salt;C.I. Mordant Orange 6;Benzoic acid,2-hydroxy-5-[[4-[(4-sulfophenyl)azo]phenyl]azo]-,disodium salt;Salicylic acid,5-[p-(p-sulfophenylazo)phenylazo]-,disodium salt;C.I. 26520;Acid Chrome Orange GR;Acid Leather Orange CG;Alizarine Chrome Orange GR;Anthracene Orange G;Anthranol Chrome Orange GR;Atlantichrome Orange G;Azochromol Orange AS;Belachrome Fast Orange GR;Calcochrome Orange GR;Chromaven Milling Orange G;Chrome Fast Orange G;Chrome Fast Orange GR;Chromocard Orange 3R;Cromal Orange G;Cromal Orange P;Diacromo Orange GR;Diamond Chrome Orange GR;Durochrome Orange G;Eriochrome Orange G;Hispacrom Fast Orange GR;Java Chrome Orange EN;Java Unichrome Orange E;Magracrom Orange GR;Mitsui Chrome Orange GR;Monochrome Brilliant Orange GR;Monochrome Orange GR;Naphthalene Leather Yellow R;Neutral Fast Orange G;Omega Chrome Orange G;Solochrome Leather Orange GR;Solochrome Orange GR;Solochrome Orange RS;Sunchromine Orange GR;Synchromate Orange G;Telon Chrome Orange G;Tertrochrome Orange GR;Wool Fast Orange GA-CF;Yodochrome Fast Orange GR;Brilliant Orange (indicator);Chrome orange;Chrome orange (Russian);C.I. Mordant Orange 44;Eriochrome Orange R;Brilliant Orange;Chrome Orange GR;12236-55-4

  • Categories:

    Dyes and Pigments  >  Dye

Benzoic acid, 2-hydroxy-5-[2-[4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-, sodium salt (1:2) Basic Attributes

470.36632

470.02700

222-645-9

3204120000

Characteristics

175.38000

4.57140

Orange powder

>300°C

Solubility Soluble in water; very slightly soluble in ethanol, acetone

Benzoic acid, 2-hydroxy-5-[2-[4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-, sodium salt (1:2) Use and Manufacturing

Methods of Manufacturing

This product is prepared from 4-aminoazobenzene-4-iodic acid after diazotization, coupling with salicylic acid, and then salting out, filtering and drying. The appearance of the product is light yellow uniform powder, the shade is similar to the standard product, the strength is 100±3 (min) of the standard product, the moisture content is ≤5%, and the fineness (the content of the 80 mesh sieve through the ground) is ≤5%. The fastness to the dyeing conforms to the standard product (light fastness level 6, soap washing, water immersion, perspiration, cooking, etc. fade fastness are 4-5 level, dry rubbing fastness 4-5 level, ironing and The dry-cleaning fastness is 4-5). Raw material consumption (kg/t) p-aminoazobenzene sulfonic acid 480 salicylic acid 200 sodium nitrite 140 hydrochloric acid 550 soda ash 120

Uses

It is used for the dyeing and printing of loose wool, wool tops, blankets and other wool fabrics, and can be used for dyeing silk, nylon, leather and fur. In addition to individual applications, it is also used for color matching or color adjustment. Dyeing should use the post media method.

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