Phenolphthalein

• 产品号: 105945
• CAS号: 77-09-8
• 分子式: C20H14O4
• 分子量: 318.32276

产品别名

• 标题: Phenolphthalein
• IUPAC标准名: 3,3-bis(4-hydroxyphenyl)-1,3-dihydro-2-benzofuran-1-one
• IUPAC传统名: purga
• 别名: 3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone; 3,3-双(4-羟基苯基)-1(3H)-异苯并呋喃酮

产品登记号

• Color Index Number: 764
• Beilstein号: 284423
• EC号: 201-004-7
• MDL号: MFCD00005913
• CAS号: 77-09-8
• PubChem SID: 24846716

产品性质

• Empirical Formula (Hill Notation): C20H14O4
• 级别: ACS reagent
• 变色范围: 8.0 - 10, colorless to red
• 紫外吸收波长: λmax 374 nm (2nd)
• 紫外吸收波长: λmax 552 nm
• 熔点: 261-263 °C(lit.)
• 溶解度: acetone: soluble
• GHS警示词: Danger
• GHS危险声明: H341-H350-H361
• 欧盟危险性物质标志: 有毒(Toxic) (T)
• 个人保护装置: Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
• GHS警示性声明: P201-P281-P308 + P313
• 危险公开号: 45-62-68
• RTECS编号: SM8380000
• 安全公开号: 53-45
• 德国WGK号: 3

产品详细信息

详细说明 (English)

Packaging
2.5 kg in poly drum
50, 100, 500 g in poly bottle
Application
Phenolphthalein is used as a general pH indicator. It is colorless in acidic solutions and turns pink in basic solutions. Phenolphthalein is also used as a model organic compound in the evaluation of the capture efficiency of various cyclodextrin constructs such as nanofiber-CD.

详细说明 (简体中文)

包装
2.5 kg in poly drum
50, 500 g in poly bottle
2.5 kg packaged in open-head poly drums; 50 g, 500 g packaged in poly bottles
Application
Phenolphthalein is used as a general pH indicator. It is colorless in acidic solutions and turns pink in basic solutions. Phenolphthalein is also used as a model organic compound in the evaluation of the capture efficiency of various cyclodextrin constructs such as nanofiber-CD.