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Manufacturer of Direct Orange S

Short Description:

Product Name:Direct Orange S
Color Index No.: C.I.Direct Orange 26
CAS NO:3626-36-6
EINECS:222-838-8
Molecular formula:C33H22N6Na2O9S2
Molecular weight:756.6721
Density:1.606g/cm3
InChI:InChI=1/C33H24N6O9S2.2Na/c40-31-25-13-11-23(15-19(25)17-27(49(43,44)45)29(31)38-36-21-7-3-1-4-8-21)34-33(42)35-24-12-14-26-20(16-24)18-28(50(46,47)48)30(32(26)41)39-37-22-9-5-2-6-10-22;;/h1-18,36-37H,(H2,34,35,42)(H,43,44,45)(H,46,47,48);;/q;2*+1/p-2/b38-29-,39-30-;

Product Detail

Product Tags

Molecular structure:
lkjh (1)

Color
Shade
Product
Name
Content Dyeing Depth
(%o.w.f)
Fastness Properties(Change of Shade)
Light Washing
40℃
Hot Pressing
200℃
Perspiration Rubbing
(Dry)
Rubbing
(Wet)

 lkjh (2)

Direct Orange S 150% 3.0 3 4 4-5 4 4-5 3-4

Synonyms: C.I. 29150; C.I. Direct Orange 26; C.I. Direct Orange 26 (VAN); C.I. Direct Orange 26 disodium salt; C.I. Direct Orange 26, disodium salt (8CI); DIRECT ORANG 26; disodium (3E)-4-oxo-7-({[(6E)-5-oxo-6-(2-phenylhydrazinylidene)-7-sulfonato-5,6-dihydronaphthalen-2-yl]carbamoyl}amino)-3-(2-phenylhydrazinylidene)-3,4-dihydronaphthalene-2-sulfonate
Property: Golden powder. The water solubility is general, and it is sensitive to hard water. The aqueous solution is red orange and orange brown with concentrated alkali; Add dilute alkali and turn slightly yellow. Slightly soluble in ethanol, golden orange. It is bright red in concentrated sulfuric acid and produces red light orange to red precipitation after dilution; There are dark yellow precipitates in concentrated nitric acid.

Application:Direct orange S is used to dye cotton and viscose fiber to get red orange, which has poor migration, is sensitive to salt and has good dye uptake. It is also used for direct printing of cotton and viscose fabrics, especially viscose fabrics. It can be used alone or combined with yellow, red, gray, brown and other colors to adjust color light and increase chromatography. It can also be used for dyeing silk, wool, vinylon and nylon and direct printing of silk fabrics.
Storage:store in a cool and ventilated room.

Quality guarantee period: 36 months.
Packing: 25kgs iron drum or woven bag.


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