酚酞,Phenolphthalein
  • 酚酞,Phenolphthalein
  • 酚酞,Phenolphthalein
  • 酚酞,Phenolphthalein
  • 酚酞,Phenolphthalein

酚酞Phenolphthalein

价格 询价
包装 1kg 5kg 25kg
最小起订量 1kg
发货地 江苏
更新日期 2026-01-03

产品详情

中文名称:酚酞英文名称:Phenolphthalein
CAS:77-09-8品牌: HIGHASSAY
保存条件: 常温纯度规格: CP/BP
产品类别: 化工
2026-01-03 酚酞 Phenolphthalein 1kg/RMB;5kg/RMB;25kg/RMB HIGHASSAY 常温 CP/BP 化工

A Brief Introduction to Phenolphthalein

Molecular Formula:C20H14O4

Molecular Weight:318.323

CAS No.:77-09-8

Appearance:White to slightly yellow crystalline powder

Regular commercial package: 25kg/drum

What is Phenolphthalein?

Phenolphthalein is an organic compound that is relatively stable under normal temperature and pressure conditions. It is sparingly soluble in water and usually appears as a white or slightly yellowish crystalline powder. It is unstable under strongly acidic or strongly alkaline conditions and is readily soluble in ethanol.

When Phenolphthalein encounters acidic or neutral solutions, no color change occurs, and the solution remains colorless; however, when Phenolphthalin encounters alkaline solutions, the solution turns purplish-red. This is why Phenolphthalein can be used as an indicator.

It is typically used in solutions prepared with alcohol, for testing pH levels. It is not only convenient to use but also highly safe.

Highassay’s Phenolphthalein

Highassay offers two grades of Phenolphthalein powder raw material: high-purity Phenolphthalein powder and lower-purity Phenolphthalein powder.

One is a high-purity white crystalline powder.  High-purity Phenolphthalein is typically used in laboratories for analytical purposes or as an indicator because it possesses extremely stable chemical properties, and its color change range as an indicator is the most accurate.

Another type is Phenolphthalein with lower purity (containing impurities, such as substances similar to fluorescein) or that has undergone partial degradation (due to oxidation from air and light exposure over time).  It typically appears as a pale yellow, light yellow, or off-white powder or crystals. Although the accuracy might be slightly compromised, it is generally acceptable for most experiments.

As a controlled chemical substance, we provide an MSDS (Material Safety Data Sheet) with the product; please use it according to regulations. If you need to purchase Phenolphthalein raw materials, please choose Highassay; we will provide you with comprehensive service throughout the process.



关键字: 酚酞;Phenolphthalein;

公司简介

常州高量化工是一家专注于医药原料,化学品分销的公司。
成立日期 2025-12-18 (1年) 注册资本 100万
员工人数 1-10人 年营业额 ¥ 100万以内
主营行业 医药原料 经营模式 贸易
  • 常州高量化工有限公司
普通会员
  • 公司成立:1年
  • 注册资本:100万
  • 企业类型:‌有限责任公司‌
  • 主营产品:乌洛托品,维生素
  • 公司地址:新北区罗溪镇罗浮山路16号13栋01
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