CAS号:3567-69-9
品名:4-羟基-3-(4-磺酸-1-萘偶氮)-1-萘磺酸二钠盐AcidicRedB
中文别名:酸性紫红;食品红3;偶氮宝石红;铬变素FB;酸性红14;酸性红B;
英文别名:foodred5;BrilliantCrimsonRed;carmoisin;ciacidred;acidred2c;red#14;E122;CarmoisineB;karmesin;ChromotropeFB;AZORUBIN;4-hydroxy-3,4'-azo-bis-naphthalene-1-sulfonicacid,disodium-salt;
分子式:C20H12N2Na2O7S2
分子量:502.428
精确质量:501.988
Psa:176.11
UNII号:DR4641L47F
外观与性状:红色粉末
密度:
熔点:&>300ºC
储存条件:Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
安全说明:S26; S37/39
危险类别码:R36/37/38
简介:Azorubine,carmoisine,FoodRed3,AzorubinS,BrillantcarmoisinO,AcidRed14,orC.I.14720isasyntheticredfooddyefromtheazodyegroup.Itusuallycomesasadisodiumsalt.Itisaredtomaroonpowder.Itisusedforthepurposeswherethefoodisheat-treatedafterfermentation.IthasEnumberE122.
用途:酸性红4B主要用于羊毛、蚕丝、锦纶的染色及其织物的直接印花,以毛纺织物多用。常与酸性绿B或酸性湖蓝A拼染,经铬媒染后得藏青色,若加入少量酸性紫4BNS调节色光,得色更鲜艳,是酸性红4B的主要用途。由于其易受金属影响,不宜用于染红色。还用于皮革、纸张、电化铝、墨水、木制品、生物制品、化妆品等的着色,以及医药、食品着色,也可制成色淀颜料。