About This Item
product name
酚酞, indicator ACS,Reag. Ph Eur
等级
ACS reagent
质量水平
Agency
reag. Ph. Eur.
suitable for SM 2310
suitable for SM 2320
蒸汽压
<0.00001 Pa ( 50 °C)
形式
solid
缺失
≤1% loss on drying, 105°C
颜色
white to yellow-white
visual transition interval
8.2-9.8, colorless to red-violet
mp
263.7 °C
密度
1.296 g/cm3 at 20 °C
堆积密度
350‑450 kg/m3
λmax
551-554 nm (buffer pH 9.8)
储存温度
2-30°C
InChI
1S/C20H14O4/c21-15-9-5-13(6-10-15)20(14-7-11-16(22)12-8-14)18-4-2-1-3-17(18)19(23)24-20/h1-12,21-22H
InChI key
KJFMBFZCATUALV-UHFFFAOYSA-N
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应用
- Effectiveness of Phenolphthalein in Sol-Gel Coatings for Sensing and Inhibiting Corrosion on Mild Steel: Research detailing the application of phenolphthalein and Thymol Blue in sol-gel coatings, demonstrating their effectiveness in corrosion inhibition and sensing on mild steel surfaces (Patra et al., 2024).
- Highly Permeable Ultrafiltration Membranes Based on Polyphenylene Sulfone with Cardo Fragments: This article discusses the development of advanced ultrafiltration membranes incorporating phenolphthalein, enhancing their permeability and filtration efficiency (Raeva et al., 2024).
- A fluorescence-based dual sensor for Zn(2+) and PO(4)(3-): Study on a dual sensor system utilizing phenolphthalein, applied for the detection of zinc and phosphate ions in various environmental and biological samples, employing fluorescence signaling (Samanta et al., 2024).
分析说明
外观：白色至黄白色粉末
酒精溶液的澄清度（10 g/l乙醇）：通过测试
吸收最大值λmax.（缓冲液pH 9.8）：551 - 554 nm
比吸光系数 A 1%/1cm（λ最大值；0.01 g/l；缓冲液pH 9.8；以干燥物质计算）：700 - 750
转换范围：pH 8.2 - pH 9.8 几乎无色-红紫色
转换范围（根据ACS）：通过测试
转换间隔（根据Reag.Ph Eur）：通过测试
干燥失重（105 °C）： ≤ 1 %
警示用语：
Danger
危险分类
Carc. 1B - Muta. 2 - Repr. 2 - Skin Irrit. 2
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
相关内容
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