Dimethyl yellow
Molecular Structure:
MDL:
--MFCD00008308
Molecular Formula:
C14H15N3; C6H5N=NC6H4N(CH3)2
Molecular Weight:
225.29
Alias:
甲基黃,對二甲氨基偶氮苯
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:
金黃色片狀物,能醇于醇、苯、氯仿、醚、石油醚和礦酸,不溶于水。Colour Index Number 11020,熔點(diǎn):114~117℃
Quality Standard:
Q/(HG)SJ 538-91
項(xiàng)目Item 指示劑
(Ind)
pH變色域Visual transition interval 2.9(紅)~4.0(黃)
熔點(diǎn)范圍Melting range,℃ 116~118
乙醇溶解試驗(yàn)Solubility(in ethanol) 合格
干燥失重Drying loss,% ≤ 0.1
灼燒殘?jiān)?以硫酸鹽計(jì))Ignition residue,% ≤ 0.1
Storage:
密封保存。
用途 酸堿指示劑,pH2.9(紅)~4.0(黃),測定胃液中的游離鹽酸,過氧化脂肪的點(diǎn)滴試驗(yàn)。
聯(lián)合國編號 2811