Bromophenol blue
Bromophenol Blue
CAS: 115-39-9
Molecular Formula: C19H10Br4O5S
Bromophenol blue - Names and Identifiers
| Name | Bromophenol Blue |
| Synonyms | BPB Bromophenol Blue Bromophenol blue solution tetrabromophenolsulphonephthalein Tetrabromophenoltetrabromosulfonephthalein 4,4'-(1,1-dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis(2,6-dibromophenol) disodium 3,3'-(4,5,6,7-tetrabromo-3-oxo-1,3-dihydro-2-benzofuran-1,1-diyl)bis(6-hydroxybenzenesulfonate) |
| CAS | 115-39-9 |
| EINECS | 204-086-2 |
| InChI | InChI=1/C19H10Br4O5S/c20-12-5-9(6-13(21)17(12)24)19(10-7-14(22)18(25)15(23)8-10)11-3-1-2-4-16(11)29(26,27)28-19/h1-8,24-25H |
Bromophenol blue - Physico-chemical Properties
| Molecular Formula | C19H10Br4O5S |
| Molar Mass | 669.96 |
| Density | 2.199g/cm3 |
| Melting Point | 273℃ |
| Boling Point | 605.6°C at 760 mmHg |
| Flash Point | 320.1°C |
| Vapor Presure | 2.92E-15mmHg at 25°C |
| Appearance | Pale pink to purple crystalline powder |
| Storage Condition | Room Temprature |
| Sensitive | Easily absorbing moisture |
| Refractive Index | 1.743 |
| MDL | MFCD00005875 |
| Use | Used as acid-base indicator |
Bromophenol blue - Risk and Safety
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
Bromophenol blue - Reference
| Reference Show more | 1. Liang Hongxuan, Liu Xinxin, Bai Jialei, et al. Aptamer fluorescence sensor based on multicolor upconversion nanomaterials for detection of three hormone pollutants [J]. PLA Journal of Preventive Medicine, 2020(2). 2. Zhang Zhaoyun, Zhou Qiping, Gong Qifu, Zhao Baotang, Shang Qi, Zhang Zhihua, yang Fumin. Optimization of Extraction Process and Determination of Antioxidant Activity of Quinoa Seed Albumin from "Longli No.1" [J]. Food and Fermentation Industry, 2021,47(02):212-219. 3. Li, Wei, Xin Dong, and Jian Zhao. "MiR-28-3p enhances healing of fracture via negative regulation of the target gene Sox6 and activation of PI3K/Akt signaling pathway." Tropical Journal of Pharmaceutical Research 19.10 (2020): 2061-2066. 10.4314/tjpr.v19i1 4. [IF = 5.396] Shufen Wu et al."The noncovalent conjugations of human albumin (HSA) with MS/AK and the effect on anti-oxidant capacity as well as anti-glycation activity of Monascus yellow pigments." Food Function. 2021 Apr;12(8):3692-3704 5. [IF = 0.533] Wei Li et al."MiR-28-3p enhances healing of fracture via negative regulation of the target gene Sox6 and activation of PI3K/Akt signaling pathway." Trop J Pharm Res. 2020 Nov;19(10): 2061-2066 6. [IF = 4.952] Ruyi Li et al."Enhancing the proportion of gluconic acid with a microbial community reconstruction method to improve the taste quality of Kombucha." Lwt Food Sci Technol. 2022 Feb;155:112937 |
Bromophenol blue - Nature
Open Data Verified Data
long hexagonal rhombic crystals or powders. 279 degrees C decomposition. Soluble in sodium hydroxide solution and the formation of aqueous sodium salt, soluble in ethanol, ether, benzene, slightly soluble in water (100mL water about 0.4g of the product).
Last Update：2024-01-02 23:10:35
Bromophenol blue - Preparation Method
Open Data Verified Data
phenol red was dissolved in glacial acetic acid, heated to boiling, Dropwise added bromine solution in glacial acetic acid, yellow solid precipitation, filtered, washed with acetic acid to remove free bromine, the crude product was obtained after drying in air. With glacial acetic acid or acetone and glacial acetic acid mixed solvent recrystallization, pure bromophenol blue.
Last Update：2022-01-01 09:25:57
Bromophenol blue - Use
Open Data Verified Data
acid-base indicator.
Last Update：2022-01-01 09:25:58
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View History
Bromophenol blue
2-(4-aminophenoxy)ethyl hydrogen sulphate
(2-(二甲氨基)苯基)硼酸盐酸盐
对庚基联苯甲酸
(4-甲基)苄氧基甲基三氟硼酸钾
正丙基氯
3-BROMOPROPOXY-T-BUTYLDIMETHYLSILANE
曲利苯蓝,苔盼蓝
Diallyl pertrisulfide
(1S)-(+)-樟脑醌
2-(4-aminophenoxy)ethyl hydrogen sulphate
(2-(二甲氨基)苯基)硼酸盐酸盐
对庚基联苯甲酸
(4-甲基)苄氧基甲基三氟硼酸钾
正丙基氯
3-BROMOPROPOXY-T-BUTYLDIMETHYLSILANE
曲利苯蓝,苔盼蓝
Diallyl pertrisulfide
(1S)-(+)-樟脑醌