CAS 10130-29-7: Direct Yellow 8

Description: Direct Yellow 8, with the CAS number 10130-29-7, is a synthetic azo dye commonly used in the textile industry for dyeing cellulose fibers, such as cotton and viscose. It is characterized by its bright yellow color and good lightfastness, making it suitable for various applications, including paper and leather. The dye is water-soluble, allowing for easy application in dyeing processes. However, like many azo dyes, it may raise environmental and health concerns due to the potential release of aromatic amines upon degradation. Direct Yellow 8 is typically applied in a neutral to slightly alkaline pH range, which enhances its fixation on fibers. Its chemical structure features azo (-N=N-) linkages, which are responsible for the vivid coloration. Safety data sheets indicate that while it is generally considered safe for use in textiles, proper handling and disposal practices should be followed to mitigate any potential risks associated with its use.

Formula: C₂₄H₂₀N₄O₅S₂·Na

InChI: InChI=1S/C24H20N4O5S2.Na/c1-14-8-13-19-21(22(14)35(31,32)33)34-24(26-19)16-9-11-18(12-10-16)27-28-20(15(2)29)23(30)25-17-6-4-3-5-7-17;/h3-13,20H,1-2H3,(H,25,30)(H,31,32,33);

InChI key: InChIKey=FAQWDIQQUUDLRN-UHFFFAOYSA-N

SMILES: [Na].O=C(NC=1C=CC=CC1)C(N=NC2=CC=C(C=C2)C3=NC=4C=CC(=C(C4S3)S(=O)(=O)O)C)C(=O)C

Synonyms:

• 7-Benzothiazolesulfonic acid, 6-methyl-2-[4-[2-[2-oxo-1-[(phenylamino)carbonyl]propyl]diazenyl]phenyl]-, sodium salt (1:1)
• 7-Benzothiazolesulfonic acid, 6-methyl-2-[4-[[2-oxo-1-[(phenylamino)carbonyl]propyl]azo]phenyl]-, monosodium salt
• Acid Leather Yellow 5G
• Acid Yellow 186
• Atlantic Brilliant Yellow 5G
• Benzyl Yellow 5G
• Bitamin Direct Lemon Yellow 4G
• Chloramine Yellow 6G
• Chlorazol Yellow 6G
• Coomassie Yellow 6G
• Dianil Yellow 5G
• Dianil Yellow 5GA-CF
• Diaphtamine Brilliant Yellow 5G
• Diazol Brilliant Yellow 5J
• Diphenyl Brilliant Yellow 8G
• Diphenyl Pure Yellow 5G
• Direct Yellow 5G
• Direct Yellow 6G
• Direct pure yellow
• Direct pure yellow 5G
• Direct yellow 8
• Hispamin Flavine 5G
• Nippon Pure Yellow 5G
• Paramine Fast Yellow 6G
• Peeramine Bright Yellow 5G
• Phenamine Brilliant Yellow 5G
• Sodium 2-(4-{2-[1,3-Dioxo-1-(Phenylamino)Butan-2-Ylidene]Hydrazinyl}Phenyl)-6-Methyl-1,3-Benzothiazole-7-Sulfonate
• Sodium 6-methyl-2-[4-[[2-oxo-1-[(phenylamino)carbonyl]propyl]azo]phenyl]benzothiazole-7-sulfonate
• Sulfonine Yellow 5G
• Vondacel Yellow 6G
• C.I. Direct Yellow 8
• C.I. 13920
• C.I. Direct Yellow 8, monosodium salt

DIRECT PURE YELLOW 5G

CAS: 10130-29-7

• Formula: C₂₄H₂₀N₄NaO₅S₂
• Molecular weight: 531.5592

Direct Yellow 8

CAS: 10130-29-7

• Formula: C₂₄H₁₉N₄NaO₅S₂
• Color and Shape: Light yellow to Brown powder to crystal
• Molecular weight: 530.55

C.I.Acid Yellow 40:1

CAS: 10130-29-7

C.I. Acid Yellow 40:1 is a reactive dye that is used as a stain to …

• Purity: Min. 95%