114510
甲基橙
ACS reagent, Dye content 85 %
别名:
4-[4-(二甲氨基)苯基偶氮基]苯磺酸 钠盐, 半日花素 B, 橙黄 III, 酸性橙 52
等级
ACS reagent
质量水平
表单
powder
组成
Dye content, 85%
技术
titration: suitable
颜色
orange
pH值（酸碱度）
3.0-4.4, pink to yellow
visual transition interval
3.2-4.4, red to yellow
mp
>300 °C
λmax
505 nm
应用
diagnostic assay manufacturing
hematology
histology
储存温度
room temp
SMILES字符串
[Na+].CN(C)c1ccc(cc1)\N=N\c2ccc(cc2)S([O-])(=O)=O
InChI
1S/C14H15N3O3S.Na/c1-17(2)13-7-3-11(4-8-13)15-16-12-5-9-14(10-6-12)21(18,19)20;/h3-10H,1-2H3,(H,18,19,20);/q;+1/p-1/b16-15+;
InChI key
STZCRXQWRGQSJD-GEEYTBSJSA-M
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一般描述
甲基橙（C.I.13025）是一种对二甲氨基偶氮苯磺酸的钠盐。它是一种橙色的合成染料，颜色会随着溶液的pH值而变化。在酸性溶液中呈红色，在碱性溶液中呈黄色。
应用
甲基橙可用作细胞汁液的
- pH指示剂
- 在染色花粉管时与结晶紫一起对比染色
- 多色组织学染色方案的组成部分指示剂，
- 例如在草酸和丙二酸的检测中
- 在其他生物医学应用中使用，包括用于薄膜剂量计和溴离子的检测试剂。
生化/生理作用
甲基橙是一种偶氮染料，可用作pH指示剂。
警示用语：
Danger
危险声明
危险分类
Acute Tox. 3 Oral
储存分类代码
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
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