Diphenyldifluorosilane
- CAS No.
- 312-40-3
- Chemical Name:
- Diphenyldifluorosilane
- Synonyms
- DK733;DIFLUORODIPHENYLSILANE;difluorodiphenyl-silan;Diphenyldifluorosilane;ifluoro(diphenyl)silane;Diphenylsilane difluoride;Difluorodiphenylsilane97%;Benzene,1,1'-(difluorosilylene)bis-;Diphenyl difluorosilanegas cylinder
- CBNumber:
- CB0371111
- Molecular Formula:
- C12H10F2Si
- Molecular Weight:
- 220.29
- MDL Number:
- MFCD00017898
- MOL File:
- 312-40-3.mol
- MSDS File:
- SDS
- TDS File:
- TDS
| Boiling point | 159°C 50mm |
|---|---|
| Density | 1.145 |
| refractive index | 1.522 |
| Flash point | 87°C |
| storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |
| solubility | soluble in ether. |
| Specific Gravity | 1.145 |
| Appearance | Colorless to light yellow Liquid |
| Hydrolytic Sensitivity | 8: reacts rapidly with moisture, water, protic solvents |
| CAS DataBase Reference | 312-40-3(CAS DataBase Reference) |
| FDA UNII | V3Y7X7Y43C |
| EPA Substance Registry System | Silane, difluorodiphenyl- (312-40-3) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |   GHS02,GHS05 |
|---|---|
| Signal word | Danger |
| Hazard statements | H314 |
| Precautionary statements | P210-P280-P303+P361+P353 |
| Hazard Codes | C |
| Risk Statements | 34 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | 1760 |
| Hazard Note | Corrosive |
| TSCA | TSCA listed |
| HS Code | 2931900090 |
Diphenyldifluorosilane price More Price(12)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| aablocks | AA00BBXS | Difluorodiphenylsilane 97% | 312-40-3 | 250mg | $18 | 2026-05-28 | Buy |
| aablocks | AA00BBXS | Difluorodiphenylsilane 97% | 312-40-3 | 1g | $22 | 2026-05-28 | Buy |
| aablocks | AA00BBXS | Difluorodiphenylsilane 97% | 312-40-3 | 5g | $79 | 2026-05-28 | Buy |
| aablocks | AA00BBXS | Difluorodiphenylsilane 97% | 312-40-3 | 25g | $290 | 2026-05-28 | Buy |
| Crysdot | CD42000627 | Difluorodiphenylsilane 97% | 312-40-3 | 500g | $682 | 2026-05-27 | Buy |
Diphenyldifluorosilane Chemical Properties,Uses,Production
Physical properties
bp 246–247 °C, bp 156°C50 mmHg, bp 66–70°C0.5 mmHg; d 1.155 g cm1.
Uses
A moisture insensitive equivalent of diphenyldichlorosilane that is
more reactive toward nucleophiles. Source of phenyl group in the
Hiyama coupling reaction. More stable to electrophilic aromatic
substitution than diphenyldichlorosilane.
Eaborn reported that fluorosilanes are more reactive toward organometallic reagents than the
corresponding chlorosilanes, and therefore more suited for preparation of sterically hindered organosilanes.
Preparation
commercially available. Readily prepared by oxidation of diphenylsilane with CuF2, or by treatment of diphenyldichlorosilane with HF, ZnF2, NaBF4, or (NH4)2SiF6. Rate enhancements of the chlorine–fluorine exchange have been achieved with ultrasound and addition of water. Diethoxydiphenylsilane and related structures are converted to diphenyldifluorosilane with 48% HF(aq).
Diphenyldifluorosilane Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Meryer (Shanghai) Chemical Technology Co., Ltd. | 4006356688 18621169109 | market03@meryer.com | China | 40202 | 62 |
| 3B Pharmachem (Wuhan) International Co.,Ltd. | 18930552037 | 3bsc@sina.com | China | 15813 | 69 |
| Beijing HwrkChemical Technology Co., Ltd | 89508211 18501085097 | sales.bj@hwrkchemical.com | China | 9407 | 55 |
| Wuhan Chemwish Technology Co., Ltd | 86-027-67849912 | sales@chemwish.com | China | 35884 | 56 |
| Shanghai Sinch Parmaceuticals Tech. Co. Ltd. | +86-21-54098501 | sales@sinch.com.cn | China | 11592 | 64 |
| Shanghai Aladdin Bio-Chem Technology Co.,LTD | 400-6206333 13167063860 | anhua.mao@aladdin-e.com | China | 29985 | 65 |
| Shanghai Meishui Chemical Technology Co., Ltd | 021-60549325 18616193163 | China | 4518 | 56 | |
| Bide Pharmatech Ltd. | 400-164-7117 18317119277 | product02@bidepharm.com | China | 40000 | 60 |
| Chongqing Xingcan Pharmaceutical Technology Co., Ltd. | 13594048950 19923294409 | xingcanyaoye@sina.com | China | 1591 | 58 |
View Lastest Price from Diphenyldifluorosilane manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2021-08-12 | DIPHENYLDIFLUOROSILANE
312-40-3
|
$10.00-15.00 | 1KG | 99%+ HPLC | Zhuozhou Wenxi import and Export Co., Ltd | ||
 |
2019-07-06 | DIPHENYLDIFLUOROSILANE
312-40-3
|
$7.00 | 1kg | 99% | 100KG | Career Henan Chemical Co |
-
- DIPHENYLDIFLUOROSILANE
312-40-3
- $10.00-15.00
- 99%+ HPLC
- Zhuozhou Wenxi import and Export Co., Ltd
-
- DIPHENYLDIFLUOROSILANE
312-40-3
- $7.00
- 99%
- Career Henan Chemical Co
