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?? ??:
52749-23-2
???:
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???(??):
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???:
BRILLIANT ORANGE H
???(??):
C.I.16020;ACID ORANGE 17;17 Acid Orange 17;Brillant orange H;BRILLIANT ORANGE H;C.I.Acid Orange 17;C.I.Acid Orange 17:C.I.16020;Acid Orange 17 (Technical Grade);sodium 5-[(dimethylphenyl)azo]-6-hydroxynaphthalene-2-sulphonate;Sodium 5-((2,3-dimethylphenyl)diazenyl)-6-hydroxynaphthalene-2-sulfonate
CBNumber:
CB6464211
???:
C18H15N2NaO4S
??? ??:
378.38
MOL ??:
52749-23-2.mol

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>300°C
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Refrigerator
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?? ???(??, ??? ??), DMSO(??), ???(??)? ???
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16020
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EPA
2-Naphthalenesulfonic acid, 5-[(dimethylphenyl)azo]-6-hydroxy-, monosodium salt (52749-23-2)

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TSCA TSCA listed
HS ?? 3204.17.4030

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mix 2,4-Dimethylbenzenaminediazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

red light orange. Soluble in water for red light yellow. The strong sulfuric acid in orange, dilute appears after the orange precipitation, then yellow solution. In water solution to join hydrochloric acid have orange precipitation, diluted precipitation dissolve; Add sodium hydroxide for yellow brown after. Used for wool, silk fiber dyeing etc, also used in paints and dye paper.
Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 3-4 2-3 2 1-2

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