If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf
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About This Item
推荐产品
产品名称
酚酞, indicator ACS,Reag. Ph Eur
等級
ACS reagent
品質等級
agency
reag. Ph. Eur.
suitable for SM 2310
suitable for SM 2320
蒸汽壓力
<0.00001 Pa ( 50 °C)
形狀
solid
損耗
≤1% loss on drying, 105°C
顏色
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
體積密度
350‑450 kg/m3
λmax
551-554 nm (buffer pH 9.8)
儲存溫度
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 密鑰
KJFMBFZCATUALV-UHFFFAOYSA-N
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相关类别
應用
- 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).
分析報告
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 %
訊號詞
Danger
危險分類
Carc. 1B - Muta. 2 - Repr. 2 - Skin Irrit. 2
儲存類別代碼
6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
水污染物質分類（WGK）
WGK 3
閃點（°F）
Not applicable
閃點（°C）
Not applicable
相关内容
This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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