推荐产品
等级
indicator grade
质量水平
形式
powder
组成
Dye content, 90%
技术
titration: suitable
颜色
brown to very dark brown, to Very Dark Red
visual transition interval
5.2-6.8, yellow to purple
mp
255 °C (dec.) (lit.)
λmax
379 nm
585 nm (2nd)
ε (消光系数)
≥47000 at 587-591 nm in 0.1 M NaOH
≥7000 at 375-381 nm in 0.1 M NaOH
应用
diagnostic assay manufacturing
hematology
histology
储存温度
room temp
SMILES字符串
[Na+].Cc1cc(cc(Br)c1O)C2(OS(=O)(=O)c3ccccc23)c4cc(C)c([O-])c(Br)c4
InChI
1S/C21H16Br2O5S.Na/c1-11-7-13(9-16(22)19(11)24)21(14-8-12(2)20(25)17(23)10-14)15-5-3-4-6-18(15)29(26,27)28-21;/h3-10,24-25H,1-2H3;/q;+1/p-1
InChI key
WNOIORUCCYNQPE-UHFFFAOYSA-M
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一般描述
溴甲酚紫又称二溴-o-甲酚磺酞,是一种酸性染料,属于酞和磺酞类染料。在pH 5.2-6.8时,染料由黄色变为紫色。该染料的单钠盐水中溶解度为8%,乙醇中溶解度为2%。溴甲酚紫在碱性条件下,会形成亲水的中等大小紫色二价阴离子。
应用
溴甲酚紫被广泛用作追踪淋巴系统中液体扩散的重要染色剂。此外,该染料适用于区分死或活的酵母细胞。作为pH指示剂,溴甲酚紫被用于微生物培养基中,肉汤培养基和琼脂培养基均可使用。 在分析实验中也可使用溴甲酚紫,比如对醋酸纤维素电泳膜上的碳酸酐酶同工酶进行染色。
警示用语:
Warning
危险声明
危险分类
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
靶器官
Respiratory system
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
dust mask type N95 (US), Eyeshields, Gloves
Biophysical journal, 94(5), 1890-1903 (2007-11-13)
The energetics of the individual reaction steps in the catalytic cycle of photosynthetic water oxidation at the Mn(4)Ca complex of photosystem II (PSII) are of prime interest. We studied the electron transfer reactions in oxygen-evolving PSII membrane particles from spinach
Handbook of Acid-Base Indicators (2007)
Plant physiology, 144(1), 82-93 (2007-03-06)
Guard cell movement is induced by environmental and hormonal signals that cause changes in turgor through changes in uptake or release of solutes and water. Several transporters mediating these fluxes at the plasma membrane have been characterized; however, less is
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