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| | Benzenesulfonic acid, 2-methyl-5-nitro-, alk. cond. products, reaction products with formaldehyde Basic information |
| | Benzenesulfonic acid, 2-methyl-5-nitro-, alk. cond. products, reaction products with formaldehyde Chemical Properties |
| | 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.
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Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Soaping
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Water
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Fading
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Stain
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Fading
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Stain
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ISO
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4-5
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4-5
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2-3
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3
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3
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AATCC
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1
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1
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1-2
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2-3
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2-3
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| | Benzenesulfonic acid, 2-methyl-5-nitro-, alk. cond. products, reaction products with formaldehyde Preparation Products And Raw materials |
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