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等級
indicator grade
品質等級
形狀
powder or crystals
成份
Dye content, 95%
技術
titration: suitable
顏色
red-brown
pH值
7.2-8.8, yellow to red
有用的pH值範圍
1.8-2.0, orange to yellow(acid)
7.0-8.8, yellow to violet(alkaline)
mp
290 °C
密度
0.998 g/cm3
λmax
367 nm (2nd)
570 nm
應用
diagnostic assay manufacturing
hematology
histology
儲存溫度
room temp
SMILES 字串
Cc1cc(ccc1O)C2(OS(=O)(=O)c3ccccc23)c4ccc(O)c(C)c4
InChI
1S/C21H18O5S/c1-13-11-15(7-9-18(13)22)21(16-8-10-19(23)14(2)12-16)17-5-3-4-6-20(17)27(24,25)26-21/h3-12,22-23H,1-2H3
InChI 密鑰
OBRMNDMBJQTZHV-UHFFFAOYSA-N
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一般說明
甲酚红(Cresol Red)，又名邻甲酚红，属于酞和磺酞类染料。在pH 0.2-1.8之间，甲酚红由橙色变为黄色，在pH 7.0-8.8之间，由黄色变为紫色。在碱性溶液中，甲酚红为亲水性双阴离子。双阴离子形式为小分子，呈紫色，具有比黄色羟醌形式更大的共轭结构。
應用
甲酚红广泛用作pH指示剂，用于微生物培养基等的日常pH监测。此外，甲酚红也适合用作PCR反应体系的试剂组分。甲酚红还可用作DNA、RNA（琼脂糖）和蛋白（聚丙烯酰胺）凝胶电泳的示踪染料。
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 3
個人防護裝備
dust mask type N95 (US), Eyeshields, Gloves
其他客户在看
Atsushi Seki et al.
Analytica chimica acta, 582(1), 154-157 (2007-03-28)
Novel spectroscopic sensor based on a hetero-core structured fiber optic is described in this paper. The hetero-core structured fiber optic consists of multi mode fibers and a short piece of single mode fiber which was inserted in the multi mode
Paula C A Jerónimo et al.
The Analyst, 130(8), 1190-1197 (2005-07-16)
An optical biosensor based on immobilised carbonic anhydrase and its application to the determination of the anti-glaucoma agent acetazolamide by enzyme inhibition measurements, is described. The enzyme and a pH indicator dye, cresol red, were physically immobilised in overlapped sol-gel
K Elamrani et al.
Biochimica et biophysica acta, 727(1), 22-30 (1983-01-05)
The kinetics of H+/OH- diffusion across dimyristoyl phosphatidic acid bilayer membranes was measured by following the absorbance of the pH-sensitive indicator Cresol red (o-cresolsulfonphthalein) entrapped in single lamellar vesicles after rapidly changing the external pH in a stopped-flow apparatus. The
K Schilling et al.
Clinical chemistry, 39(2), 251-256 (1993-02-01)
If buffer/indicator systems are used as optical thermometers in multicuvettes, the temperature resolution is limited by errors of optical measurements produced mainly by variations of pathlength and blank transmittance of the wells. Theoretical and practical approaches show that, in multicuvettes
H N Nigg et al.
Journal of economic entomology, 97(6), 1850-1860 (2005-01-26)
We needed a technique to compare the consumption of baits by individual Carribbean fruit fly, Anastrepha suspensa (Loew). By improving consumption and determining individual dose, we could lower pesticide concentration while retaining bait/pesticide efficacy and potentially reduce the environmental impact
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