4,4'-Difluorobenzhydrol
- CAS No.
- 365-24-2
- Chemical Name:
- 4,4'-Difluorobenzhydrol
- Synonyms
- 4,4-DIFLUOROBENZHYDROL;4,4'-Difluorobenzhyd;4’4-Difluorobenzhydrd;LABOTEST-BB LT00233218;Flunarizine Impurity 8;Flunarizine Impurity 4;2,4-pyridinediolC5H5NO2;4,4'-Difluorobenzhydrol;Difluorodiphenylmethanol;4,4'-difluorodibenzohydrol
- CBNumber:
- CB4245331
- Molecular Formula:
- C13H10F2O
- Molecular Weight:
- 220.21
- MDL Number:
- MFCD00000357
- MOL File:
- 365-24-2.mol
- MSDS File:
- SDS
- TDS File:
- TDS
| Melting point | 43-45 °C(lit.) |
|---|---|
| Boiling point | 143 °C3 mm Hg(lit.) |
| Density | 1.2031 (estimate) |
| Flash point | >230 °F |
| storage temp. | Sealed in dry,Room Temperature |
| pka | 13.41±0.20(Predicted) |
| form | powder to crystal |
| color | White to Light yellow |
| BRN | 2332258 |
| InChI | InChI=1S/C13H10F2O/c14-11-5-1-9(2-6-11)13(16)10-3-7-12(15)8-4-10/h1-8,13,16H |
| InChIKey | WCTZPQWLFWZYJE-UHFFFAOYSA-N |
| SMILES | C(O)(C1C=CC(F)=CC=1)C1C=CC(F)=CC=1 |
| CAS DataBase Reference | 365-24-2(CAS DataBase Reference) |
| NIST Chemistry Reference | 4,4'-Difluorobenzhydrol(365-24-2) |
| UNSPSC Code | 12352100 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H319 | |||||||||
| Precautionary statements | P264-P280-P305+P351+P338-P337+P313P | |||||||||
| PPE | Eyeshields, Gloves, type N95 (US) | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 22-24/25-36/37-26 | |||||||||
| WGK Germany | 3 | |||||||||
| HazardClass | IRRITANT | |||||||||
| HS Code | 29062900 | |||||||||
| Storage Class | 11 - Combustible Solids | |||||||||
| NFPA 704 |
|
4,4'-Difluorobenzhydrol price More Price(60)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 222682 | Bis(4-fluorophenyl)methanol 98% | 365-24-2 | 5g | $49.6 | 2026-04-30 | Buy |
| TCI Chemical | D1795 | 4,4'-Difluorobenzhydrol >98.0%(GC) | 365-24-2 | 25g | $54 | 2026-04-30 | Buy |
| Apolloscientific | PC2648 | 4,4'-Difluorobenzhydrol >98% | 365-24-2 | 25g | $21 | 2026-06-04 | Buy |
| Apolloscientific | PC2648 | 4,4'-Difluorobenzhydrol >98% | 365-24-2 | 100g | $36 | 2026-06-04 | Buy |
| Apolloscientific | PC2648 | 4,4'-Difluorobenzhydrol >98% | 365-24-2 | 500g | $154 | 2026-06-04 | Buy |
4,4'-Difluorobenzhydrol Chemical Properties,Uses,Production
Chemical Properties
white to yellowish crystalline flakes or powder
Uses
4-Chloropyridine-3-sulfonyl Chloride can be used for antiinflammatory properties.
General Description
Bis(4-fluorophenyl)methanol is one of the degardation product of flunarizine hydrochloride (FLZ).
Synthesis
345-92-6
365-24-2
GENERAL METHODS: NaBH4 (0.6 mol) was added batchwise to a stirred solution of 4,4'-difluorobenzophenone (1.0 mol) in methanol (2 volumes) at room temperature for 45 min. The reaction mixture was stirred at ambient temperature for 2-3 h (progress of the reaction was monitored by TLC), and upon completion of the reaction, the reaction was diluted with water (750 mL), the pH was adjusted to 4 with acetic acid, and the reaction was subsequently extracted with dichloromethane (2 x 400 mL). The organic layer was washed with water (200 mL), dried with anhydrous sodium sulfate, and the solvent was evaporated under reduced pressure to give pure 4,4'-difluorodiphenylmethanol as a white to off-white solid in 93-97% yield. To a stirred solution of 4,4'-difluorodiphenylmethanol (1.0 mol) in toluene (370 mL) at room temperature was added concentrated hydrochloric acid (35% aqueous, 370 mL) and tetrabutylammonium bromide (0.01 mol). The mixture was continued to be stirred at 40-45 °C for 6-7 h. After TLC showed that the reaction was complete, the mixture was cooled to room temperature. The organic layer was separated and concentrated under vacuum to give crude 4,4'-difluorodiphenylmethyl chloride as a light brown liquid in 95-97% yield. Anhydrous piperazine (5.0 mol) was slowly added to a solution of 4,4'-difluorodiphenylmethyl chloride (0.96 mol) in toluene (380 mL) at 60-70 °C for 45-60 minutes. The resulting mixture was heated at 90-100°C for 8-10 hours with stirring. After completion of the reaction the mixture was cooled and water (380 mL) was added to separate the organic layer. The organic layer was washed with a 1:1 mixture of concentrated hydrochloric acid and water (2 x 350 mL) and subsequently neutralized with 20% NaOH solution (750 mL). The aqueous layer was again extracted with toluene (2×300 mL), and the organic layers were combined, dried with anhydrous sodium sulfate, and concentrated in vacuum to afford the pure 4,4'-difluorodiphenylmethylpiperazine derivative as a white to off-white solid in 88% yield.
References
[1] Organic and Biomolecular Chemistry, 2018, vol. 16, # 28, p. 5094 - 5096
[2] Synthesis, 2010, # 12, p. 1989 - 1991
[3] Synthetic Communications, 2014, vol. 44, # 5, p. 600 - 609
[4] Organic Letters, 2000, vol. 2, # 5, p. 659 - 661
[5] Patent: , 2016, . Location in patent: Paragraph 0016; 0018; 0019; 0020; 0021; 0022
4,4'-Difluorobenzhydrol Preparation Products And Raw materials
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Jiangsu Derui Pharmaceutical Co., Ltd | 0512-62620298 17037718886 | 18636423@qq.com | China | 18 | 58 |
| Hubei SVETO New Material Technology Co., Ltd | 13277095679 | 1375175909@qq.com | China | 641 | 58 |
| Hubei Norna Technology Limited Company | 59209883 17386169806 | service@nornachem.com | China | 4829 | 58 |
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Alfa Aesar | 400-6106006 | saleschina@alfa-asia.com | China | 30103 | 84 |
| TCI (Shanghai) Development Co., Ltd. | 021-67121386 | Sales-CN@TCIchemicals.com | China | 24512 | 81 |
| Energy Chemical | 400-0056266 | sales8178@energy-chemical.com | China | 44850 | 61 |
| Wuhan Chemwish Technology Co., Ltd | 86-027-67849912 | sales@chemwish.com | China | 35884 | 56 |
| Capot Chemical Co., Ltd | +86 (0) 571 85 58 67 18 | China | 18187 | 66 | |
| Shanghai Sinch Parmaceuticals Tech. Co. Ltd. | +86-21-54098501 | sales@sinch.com.cn | China | 11592 | 64 |
View Lastest Price from 4,4'-Difluorobenzhydrol manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2026-05-28 | 4,4'-Difluorobenzhydrol
365-24-2
|
$2.00-5.00 | 1KG | 99% | 10000kg | Hebei Chuanghai Biotechnology Co,.LTD | |
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2025-05-23 | 4,4'-Difluorobenzhydrol
365-24-2
|
$10.00 | 1kg | 99% | 20 ton | Hebei Zhuanglai Chemical Trading Co Ltd | |
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2024-06-18 | 4,4'-Difluorobenzhydrol
365-24-2
|
$1.00 | 1KG | 99% | 20t | Shaanxi Dideu Medichem Co. Ltd |
-

- 4,4'-Difluorobenzhydrol
365-24-2
- $2.00-5.00
- 99%
- Hebei Chuanghai Biotechnology Co,.LTD
-

- 4,4'-Difluorobenzhydrol
365-24-2
- $10.00
- 99%
- Hebei Zhuanglai Chemical Trading Co Ltd
-

- 4,4'-Difluorobenzhydrol
365-24-2
- $1.00
- 99%
- Shaanxi Dideu Medichem Co. Ltd
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