百里酚酞
百里酚酞(英語:)是一种酸碱指示剂。其变色范围为9.3-10.5,由无色变为蓝色。其二价阴离子的摩尔消光系数为38,000 M−1 cm−1(595 nm)。[1]
| 百里酚酞(酸碱指示剂) | ||
| 低於pH 9.3 时 | 高於pH 10.5 时 | |
| 9.3 | ⇌ | 10.5 |
| 百里酚酞 | |
|---|---|
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| IUPAC名 3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-2-benzofuran-1(3H)-one 3,3-雙(4-羥基-5-異丙基-2-甲基苯基)-2-(3H)-苯駢呋喃酮 | |
| 别名 | 百里香酚酞 麝香草酚酞 |
| 识别 | |
| CAS号 | 125-20-2 |
| PubChem | 31316 |
| ChemSpider | 29054 |
| SMILES |
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| InChI |
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| InChIKey | LDKDGDIWEUUXSH-UHFFFAOYAV |
| EINECS | 204-729-7 |
| 性质 | |
| 化学式 | C28H30O4 |
| 摩尔质量 | 430.54 g·mol−1 |
| 外观 | 白色粉末 |
| 熔点 | 248—252 °C(521—525 K)(分解) |
| 危险性 | |
GHS危险性符号![]() | |
| GHS提示词 | Warning |
| H-术语 | H341, H350, H361 |
| P-术语 | P201, P202, P210, P233, P240, P241, P242, P243, P280, P281, P303+361+353, P308+313, P370+378, P403+235 |
| NFPA 704 |
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| 若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 | |
参考资料
- Hahn HH; Cheuk SF; Elfenbein S; Wood WB. (PDF). J. Exp. Med. April 1970, 131 (4): 701–9. PMC 2138774
. PMID 5430784. doi:10.1084/jem.131.4.701. - Hubacher MH, Doernberg S, Horner A. Laxatives: chemical structure and potency of phthaleins and hydroxyanthraquinones. J Am Pharm Assoc Am Pharm Assoc. 1953;42(1):23-30. PMID 13034620.
- Katz, David A. (PDF). www.chymist.com. 1982 [August 14, 2017]. (原始内容存档 (PDF)于2018-04-03).
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