Benzenesulfonic acid, 2-methyl-5-nitro-, alk. cond. products, reaction products with formaldehyde Chemical Properties

EPA Substance Registry System

C.I. Direct Yellow 6 (1325-38-8)

Benzenesulfonic acid, 2-methyl-5-nitro-, alk. cond. products, reaction products with formaldehyde Usage And Synthesis

Preparation

C.I. Direct Yellow 11 (C.I. 40000) solution with?Formaldehyde?condensation; Or (E)-2-(2-sulfo-4-nitrostyryl)-5-nitrobenzenesulfonic acid?in the presence of sodium hydroxide solution and Formaldehyde heating.

Properties and Applications

yellow to red light yellow. Soluble in water for lemon yellow, not soluble in ethanol and other organic solvents. The strong sulfuric acid for wine, diluted for yellow. The dye solution to join 10% color is more green sulfuric acid; Join rare sodium hydroxide solution reddish change.

Benzenesulfonic acid, 2-methyl-5-nitro-, alk. cond. products, reaction products with formaldehyde(1325-38-8)Related Product Information

• 1,1,3,3-TETRAMETHYLBUTYL ISOCYANIDE
• Benzyl isocyanide
• TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)DYSPROSIUM(III)
• Cupric acetylacetonate
• 2,4-PENTANEDIONE, SILVER DERIVATIVE
• N-BUTYLISOCYANIDE
• Tris(2,4-pentanedionato)chroMiuM(III)
• TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)EUROPIUM(III)
• Aluminum acetylacetonate
• Tosylmethyl isocyanide
• SALCOMINE
• Ferric acetylacetonate
• TERT-BUTYL ISOCYANIDE
• Ethyl isocyanoacetate
• COBALT(II) ACETYLACETONATE
• DICHLORO(ETHYLENEDIAMINE)PLATINUM(II)
• METHYL ISOCYANOACETATE
• PHENYLSELENOL