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Congo Red

C6450R
Congo red；Direct red C.R.Y.；Sodium diphenyl-bis-(azo-naphthionate)；C.I.22120；Direct Red 28 Congo red；Direct red C.R.Y.；Sodium diphenyl-bis-(azo-naphthionate)；C.I.22120；Direct Red 28 Show
573-58-0
RT
2年
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Catalog No. Specification List Price Preferential Price VIP Beijing Harbin Guangzhou Shenyang Quantity Cart
C6450R 5g $4.13
C6450R 10g $6.19
C6450R 25g $11.01
C6450R 100g $24.77
Product Name Congo Red
Alias Congo red；Direct red C.R.Y.；Sodium diphenyl-bis-(azo-naphthionate)；C.I.22120；Direct Red 28
CAS No. 573-58-0
Molecular Formula C32H22N6Na2O6S2
Molecular Weight 696.66
Rank IND
PH pH变色域：3.0(蓝紫)～5.2(红)
Solubility 溶于水呈黄红色，溶于乙醇呈橙色，极微溶于丙酮，几乎不溶于乙醚
Appearance (character) 棕红色粉末
Introduction：

指示剂溶液的透明性：合格
水不溶物：≤1.0%
水分：≤5.0%
灼烧残渣（硫酸盐）：≤27.0% 
最大吸收波长(pH 7.3) 488nm(Ｅ1％1cm595)。半数致死量(大鼠，静脉)190mg/kg
用途：本品仅供科研，不得用于其它用途。(以下用途仅供参考)酸碱指示剂。检测胃液中的盐酸和纸张酸度。检定硼酸、氰化物。生物培养基的添加剂。生物染色，如胚胎切片、植物粘蛋白、纤维素、弹性组织等染色 

These protocols are for reference only. Biotopped does not independently validate these methods.

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