偶氮

Congo Red (Direct Red 28) 是偶氮染料指示剂，在 pH 3.0的环境下呈紫罗兰色，在 pH5.0的环境下呈红色，常用于组织切片中淀粉样蛋白的测定。

CY3 (Sulfo-Cyanine3) 是传统的蛋白质和核酸的橙色荧光标记物(λex=554, λem=568)。

Diphenyl Blue (Direct Blue 14) 是一种可用作偶氮染料组的参考染料。

Solvent Yellow 93 是偶氮甲胺染料，可用作调色剂的着色剂。

Lumogallion (4-Chloro-3-(2,4-dihydroxyphenylazo)-2-hydroxybenzene-1-sulfonic acid) 是一种偶氮试剂，用于测定金属离子，如研究 V、Fe 和 Al。

Disperse Red 1 (Celliton Scarlet B) 是偶氮苯衍生物，是偶氮纺织品染料，普遍用于纺织工业中的聚酯织物染色。

Sudan III (Solvent Red 23) 是一种疏水性双偶氮染料。

Acid Yellow 36 (Metanil Yellow) 是一种偶氮染料和 pH 指示剂，当 pH 值从 1.2 到 2.3 时，发生由红色到黄色的颜色转变。它是 P-450 特异性同工酶和胞浆酶的双功能诱导剂，可用于皮革、造纸和纺织工业。

Amido Black 10B (Naphthol Blue Black) 是一种给蛋白质染色的剧毒偶氮染料，常用于给聚丙烯酰胺凝胶、琼脂糖凝胶上蛋白质的染色。

C.I. Orange G is an agent of azo dye.

C.I. 37505 is an azo dye coupling component.It implicated in occupational pigmented contact dermatitis.

Disperse Blue 148 is a high-temperature trichromatic blue azo dye.

FD&C Yellow No. 5 Aluminum Lake is a synthetic lemon yellow azo dye primarily used as a food coloring.

C.I. 37545 is also known as Azoic dyes. C.I. 37545 is impregnated cotton with an alkaline solution of β-naphthol, then treated it with a diazo solution obtained from aniline, a toluidine, xylidine, naphthylamine, aminoazobenzene or aminoazotoluene, so tha

Alizarine Yellow R is a yellow colored azo dye. Alizarine Yellow R made by the diazo coupling reaction.