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Acid Yellow 42
- Name Acid Yellow 42
- CAS 6375-55-9
- Purity 99%
Product Details
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What is the Acid Yellow 42 ?
Acid Yellow 42 is bright yellow powder, while it's Molecular Formula is C32H24N8Na2O8S2. Used in Textile Industry:
Acid Yellow 42 is used as a dye for wool, providing good discharge properties. It is also suitable for direct printing on wool, silk, and glue. The dye has a good affinity for copper, resulting in a slightly reddish dark color, but it remains unchanged when encountering chromium ions. However, it turns greenish dark when it comes into contact with iron ions. Additionally, it can be used for dyeing polyamide fibers and for leather shading.
Standard:
The fastness properties of Acid Yellow 42 are as follows:
Light Fastness: ISO 4-5, AATCC 4
Soaping Fastness: ISO 4-5, AATCC 4-5
Perspiration Fastness: ISO 5, AATCC 4-5
Oxygen Bleaching: ISO 4-5, AATCC 4-5
Fastness to Seawater: ISO 4, AATCC 1
Fading: ISO 5, AATCC 2-3
Stain: ISO 4, AATCC 4-5
These properties make Acid Yellow 42 a versatile dye for various applications in the textile industry, particularly for wool dyeing and direct printing on silk and glue. Its compatibility with different ions and its fastness properties contribute to its effectiveness and durability in these applications.
What is the CAS number for Acid Yellow 42 ?
The CAS number of Acid Yellow 42 is 6375-55-9.
More information of Acid Yellow 42 6375-55-9 are:
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Synonyms |
C.I. AcidYellow 42, disodium salt (8CI);[1,1'-Biphenyl]-2,2'-disulfonic acid,4,4'-bis[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-, disodiumsalt (9CI);Acid Anthracene Yellow GR;Acid Fast Yellow MR;Acid Leather YellowCRS;Acid Milling Yellow M;Acid Milling Yellow R;Acid Yellow FG;Acid YellowK;Acid Yellow M;Acid Yellow MD;Acid Yellow MR;Acid yellow 42;AiredaleYellow 3GM;Alphanol Fast Brilliant Yellow F 333;Amacid Fast Yellow RS;AmacidFast Yellow RS-EX;Ambinyl Yellow MR;Anadurm Yellow M-G;Apollo Nylon FastYellow M-R;Belacid Milling Yellow R;Benzyl Fast Yellow RS;Best Acid MillingYellow GR;C.I. 22910;C.I. Acid Yellow 42;Calcocid Milling Yellow R;Colorosacid Yellow R;Concorde Acid Yellow M-GR;Concorde Leather Yellow MR;Coomassie Yellow R;Coomassie Yellow RP;Coomassie Yellow RS;Coriacide Yellow3J;Covalene Yellow MR;Covanyl Yellow MR;Cyanine Fast Yellow M;DermacidYellow 2R;Dinacid Milling Yellow M;Dycosacid Leather Yellow MR;DynacidYellow RS;Eniacid Fast Yellow R;Erio Fast Yellow RL;Everacid Milling YellowMR;Everacid Yellow MR;Fast Silk Yellow SH;Follone Yellow R;Formo AcidYellow 42;Indacid Yellow A;KCA Acid Milling Yellow M;KemacidYellow GRX;Kenanthrol Yellow R;Lecotan Yellow SH;Midlon Yellow 2R;MidlonYellow PR;Milling Fast Yellow R;Milling Yellow 3G;Milling Yellow 3J;MillingYellow FG;Milling Yellow RX;Multicuer Yellow BR;Naphthalene Leather Yellow2G;Naphthazine Yellow MR;Optanol Yellow R;Orient Water Yellow 6;OrientWater Yellow 6C;Pharmacine Yellow R;Pharmatex Yellow G;Ratna Acid Yellow R;Sakolan Yellow KN;Sandolan Milling Yellow N-SH;Shikiso Acid Fast Yellow MR;Simacid Yellow 25145;Sulfonine Yellow CSR;Sulphon Yellow RS-CF;SuminolMilling Yellow MR;Supranol Yellow R;Symulon Acid Fast Yellow MR;TertracidMilling Yellow R;Triacid Fast Milling Yellow 2R;Triacid Yellow 2R;VicoacidYellow 42;Vopsider Yellow ARL;Water Yellow 6;Water Yellow 6C;Xylene MillingYellow SH; |
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CAS?Number |
6375-55-9 |
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Molecular Formula |
C32H24N8Na2O8S2 |
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Molecular Weight |
758.69 |
|
Density |
1.617[at 20℃] |
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HS CODE |
3204120000 |
|
PSA |
245.94000 |
|
LogP |
6.07460 |
What is Acid Yellow 42 (6375-55-9) used for?
Acid Yellow 42 is a bright yellow powder that exhibits yellow to red light yellow color. It is soluble in water, resulting in a lemon yellow color, and also soluble in ethanol, which gives it a lemon yellow hue. The color remains lemon yellow when it comes into contact with strong sulfuric acid, and it still appears lemon yellow when diluted. Its water solution turns lemon yellow when it meets strong hydrochloric acid, and it turns a lemon yellow color when it encounters a sodium hydroxide solution.
InChI:InChI=1/C32H26N8O8S2.2Na/c1-19-29(31(41)39(37-19)23-9-5-3-6-10-23)35-33-21-13-15-25(27(17-21)49(43,44)45)26-16-14-22(18-28(26)50(46,47)48)34-36-30-20(2)38-40(32(30)42)24-11-7-4-8-12-24;;/h3-18,41-42H,1-2H3,(H,43,44,45)(H,46,47,48);;/q;2*+1/p-2
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