9-Pheny-3-fluorone
9-Phenyl-2,3,7-trihydroxy-6-fluorone
CAS: 975-17-7
Molecular Formula: C19H12O5
9-Pheny-3-fluorone - Names and Identifiers
| Name | 9-Phenyl-2,3,7-trihydroxy-6-fluorone |
| Synonyms | Phenylfluoron Fluorone Black PhenylFluoroneGr 9-Pheny-3-fluorone 9-PHENYL-3-FLUORONE 9-Phenyl-3-fluorone 9-PHENYL-2,6,7-TRIHYDROXY-3-FLUORONE 9-PHENYL-2,3,7-TRIHYDROXY-6-FLUORONE 9-Phenyl-2,3,7-trihydroxy-6-fluorone 2,6,7-trihydroxy-9-phenylxanthen-3-one 2,6,7-Trihydroxy-9-phenylisoxanthen-3-one 2,6,7-trihydroxy-9-phenyl-3H-xanthen-3-one 9-Phenyl-2,3,7-trihydroxy-6-fluorone, tech. |
| CAS | 975-17-7 |
| EINECS | 213-550-3 |
| InChI | InChI=1/C19H12O5/c20-13-6-11-17(8-15(13)22)24-18-9-16(23)14(21)7-12(18)19(11)10-4-2-1-3-5-10/h1-9,20-22H |
| InChIKey | YDCFOUBAMGLLKA-UHFFFAOYSA-N |
9-Pheny-3-fluorone - Physico-chemical Properties
| Molecular Formula | C19H12O5 |
| Molar Mass | 320.3 |
| Density | 1.59±0.1 g/cm3(Predicted) |
| Melting Point | 300 °C |
| Boling Point | 646.8±55.0 °C(Predicted) |
| Flash Point | 243.4°C |
| Solubility | Soluble in chloroform. |
| Vapor Presure | 1.3E-17mmHg at 25°C |
| Appearance | Orange powder |
| Color | orange |
| BRN | 40910 |
| pKa | 7.57±0.20(Predicted) |
| Storage Condition | Store below +30°C. |
| Sensitive | Easily hygroscopic and photo`sensitive` |
| Refractive Index | 1.791 |
| MDL | MFCD00005048 |
| Use | Photometric determination of germanium, molybdenum, niobium, antimony, tin and tantalum. Commonly used in fuel intermediates or chemical reagents. |
9-Pheny-3-fluorone - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29329995 |
9-Pheny-3-fluorone - Reference
| Reference Show more | 1. Tan, Xunyan, et al. "Hyperchromic Effect and Mechanism of Carboxylic Carbon Nanotubes in Determination of Lead by Spectrophotometry." Integrated Ferroelectrics 137.1 (2012): 126-133.https://doi.org/10.1080/10584587.2012.687314 2. Qiang, Yin, Linlin Wang, and Yurong Liu. "Application of carboxylic carbon nanotubes for the rapid determination of lead by spectrophotometry." International Journal of Electrochemical Science 7.11 (2012): 10987-10993.http://www.electrochemsci.org/ 3. Yin, Qiang, Rong Chen, and Yurong Liu. "A Simple and Highly Sensitive Spectrometric Determination of Lead by Using Carboxylic Carbon Nanotubes and Cetyltrimethyl ammoniumbromide." Int. J. Electrochem. Sci 6 (2011): 6620-6627. 4. [IF=0.836] Xunyan Tan et al."Hyperchromic Effect and Mechanism of Carboxylic Carbon Nanotubes in Determination of Lead by Spectrophotometry."Integr Ferroelectr. 2012;137(1):126-133 |
9-Pheny-3-fluorone - Introduction
Slightly soluble in water. Slightly soluble in cold ethanol, hardly soluble in benzene and chloroform. Easily soluble in alkali, easily soluble in acidified ethanol and sulfuric acid solution, with the increase of the pH value of the reagent solution, the color is yellow, orange, orange, red, purple in strong alkali and gradually decomposed. Red or purple complexes are formed with Ge4 and Sn4 plasma in weakly acidic medium. The maximum absorption wavelength is 552nm,
Last Update：2022-10-16 17:30:25
9-Pheny-3-fluorone - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Overview | in recent years, with the improvement of science and technology, acidic chromogenic agents have been widely used in chemical analysis. The acidic chromogenic reagent can form a red or purple highly sensitive micellar complex with the detected substance in chemical detection, and the content of the detected substance can be determined by spectrophotometry. Phenylfluorenone (molecular formula: C19H12O5, also known as phenylfluorone; Germanium reagent; 9-Phenyl-2,3, 7-trihydroxy-6-oxapenone; 9-Phenyl-2,3,7-trihydroxy-6-fluorine is an acidic chromogenic agent widely used in chemical detection. It is mainly used to detect selenium compounds in smelting products, and can also be used as Ge4 ,Sn4 ,In3, determination of MoO42-and TaO3. The process used today for the preparation of phenylfluorenone is the reaction of benzenetriol triacetate in acidified aqueous ethanol with benzaldehyde to give phenylfluorenone. However, due to the poor control of the pH of the acidified ethanol aqueous solution, the preparation cycle of phenylfluorenone is relatively long, which generally takes about 15-20 days. At the same time, the purity of the prepared phenylfluorenone is low, in the process of spectrophotometric detection, the sensitivity is poor. |
| Use | phenylfluorenone is an acidic chromogenic agent widely used in chemical detection, it is mainly used for the detection of selenium compounds in smelting products. Iron-in-Bath chromium mordant |
| production method | 1.? Ethanol, water, 1: 1 sulfuric acid to 150: 130? The mixture was mixed at a ratio of 40 (molar ratio), and 25g of 1, 2, 4-benzenetriol triacetate was added after heating until completely dissolved. Then 25g of benzyl alcohol was added, stirred and heated for 8 days, and stirred frequently. After the precipitation was complete, the precipitate was suction filtered, washed with water, and then suspended with water, then neutralized with 20% sodium hydroxide solution to pH 4~5, at this time all the hydrolysis of phenyl fluorenone sulfate, after stirring and static crystallization, Suction filtration of the crystals obtained by washing with water for several times, then washed with ethanol for several times, the unreacted Benzaldehyde was removed and finally dried under vacuum. Reaction formula: |
Last Update：2024-04-09 02:00:12
Supplier List
Spot supply
Product Name: 9-Phenyl-2,3,7-trihydroxy-6-fluorone Request for quotationCAS: 975-17-7
Tel: +86-17551318830
Email: r@reformchem.com
Mobile: +86-17551318830
QQ: 3787852685
Spot supply
Product Name: 9-Phenyl-2,3,7-trihydroxy-6-fluorone Request for quotationCAS: 975-17-7
Tel: +86-17551318830
Email: r@reformchem.com
Mobile: +86-17551318830
QQ: 3785839865
Spot supply
Product Name: 9-Phenyl-2,3,7-trihydroxy-6-fluorone Request for quotationCAS: 975-17-7
Tel: 17505222756
Email: pules.cn@gmail.com
Mobile: +86-17551318830
Wechat: 17505222756
Spot supply
Product Name: Phenylfluorone Visit Supplier Webpage Request for quotationCAS: 975-17-7
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
Spot supply
Product Name: 9-Phenyl-2,3,7-trihydroxy-6-fluorone Request for quotationCAS: 975-17-7
Tel: +86-17551318830
Email: r@reformchem.com
Mobile: +86-17551318830
QQ: 3787852685
Spot supply
Product Name: 9-Phenyl-2,3,7-trihydroxy-6-fluorone Request for quotationCAS: 975-17-7
Tel: +86-17551318830
Email: r@reformchem.com
Mobile: +86-17551318830
QQ: 3785839865
Spot supply
Product Name: 9-Phenyl-2,3,7-trihydroxy-6-fluorone Request for quotationCAS: 975-17-7
Tel: 17505222756
Email: pules.cn@gmail.com
Mobile: +86-17551318830
Wechat: 17505222756
Spot supply
Product Name: Phenylfluorone Visit Supplier Webpage Request for quotationCAS: 975-17-7
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
View History