Dimethyl yellow
Molecular Structure:
MDL:
--MFCD00008308
Molecular Formula:
C14H15N3; C6H5N=NC6H4N(CH3)2
Molecular Weight:
225.29
Alias:
甲基黄,对二甲氨基偶氮苯
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
Dimethyl yellow |
AR |
1Kg |
RMB 511.5 |
Consulting service |
Dimethyl yellow |
AR |
25g |
RMB 61.6 |
Consulting service |
Character:
金黄色片状物,能醇于醇、苯、氯仿、醚、石油醚和矿酸,不溶于水。Colour Index Number 11020,熔点:114~117℃
Quality Standard:
Q/(HG)SJ 538-91
项目Item 指示剂
(Ind)
pH变色域Visual transition interval 2.9(红)~4.0(黄)
熔点范围Melting range,℃ 116~118
乙醇溶解试验Solubility(in ethanol) 合格
干燥失重Drying loss,% ≤ 0.1
灼烧残渣(以硫酸盐计)Ignition residue,% ≤ 0.1
Storage:
密封保存。
用途 酸碱指示剂,pH2.9(红)~4.0(黄),测定胃液中的游离盐酸,过氧化脂肪的点滴试验。
联合国编号 2811