Product description:
Acid Blue 40 is an anthraquinone dye.
Mainly used for wool, polyamide fiber and silk dyeing and printing, also can be used for leather color.
Product parameter:
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Synonyms
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acid blue 40
6424-85-7 C.I. Acid Blue 40 C.I. Acid blue 40 (sodium salt) CI 62125 sodium;4-(4-acetamidoanilino)-1-amino-9,10-dioxoanthracene-2-sulfonate 2-Anthracenesulfonic acid, 4-((4-(acetylamino)phenyl)amino)-1-amino-9,10-dihydro-9,10-dioxo-, monosodium salt Acid Blue 40 (C.I. 62125) Acid Blue 2GL; Acid Blue AGG; Acid Blue A 2G; |
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CAS No. |
6424-85-7
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EINECS No.
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229-190-5
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C.I. No.
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62125
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Appearance
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Dark blue powder
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Strength
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160%
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Application
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Mainly used for wool, polyamide fiber and silk dyeing and printing, also can be used for leather color
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Molecular formula
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C22H16N3NaO6S
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Molecular weight
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473.4
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Solubility
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Soluble in water, solubility in water (80 ℃) 100 g/L, water solution is blue. Soluble in acetone and ethanol, slightly soluble in
nitrobenzene, insoluble in benzene and dimethyl benzene, encounter the dark brown color of sulfuric acid, a product after diluted red; In the hydrochloric acid and sodium hydroxide solution discoloration |
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Insoluble
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≤ 0.2%
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Moisture
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＜8%
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Preparation
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1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid and N-(4-aminophenyl)acetamide in copper salt and tied the
presence of acid agents condensation, and then into sodium salt |
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Dye Content
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97.5 - 102.5%
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Storage and Stability
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Store at -20°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap
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Loss on Drying
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≤ 8.0% (105 °C, 1h)
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Melting point
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129-132 °C(lit.)
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CBNumber
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CB9416286
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PSA
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166.87000
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LogP
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4.45830
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Packing
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25kgs per carton box
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Product picture:
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