性状:本品为淡黄色疏松的粉末。色泽鲜艳,着色力较高,熔点为256℃.微溶于乙醇、丙酮和苯。遇浓硫酸为金黄色,稀释后呈黄色沉淀;遇浓盐酸为红色溶液;遇浓硝酸和稀氢氧化钠液不变。耐晒性和耐热性较好,耐酸、碱性能较差,不受硫化氢作用影响。
用途:主要用于涂料、高级耐光油墨、印铁油墨、塑料制品、橡胶和文教用品的着色,也用于涂料印花和粘胶的原液着色。
Brand name: fast yellow G: Oriental brand categories: direct fast dye
Shelf life: 24 months ()
Properties: this product is a pale yellow loose powder. Bright color, high tinting strength, the melting point is 256 ℃. Slightly soluble in ethanol, acetone and benzene. In concentrated sulfuric acid for the golden, diluted yellow precipitate; In concentrated hydrochloric acid to red solution; In nitric acid and dilute sodium hydroxide solution remains the same. Has good heat-resistance and fast, acid and alkali can lower, not affected by hydrogen sulfide effect.
USES: mainly used in coating, high light ink, printing ink, plastics, rubber and cultural and educational supplies color, also used in pigment printing and viscose dope shading.