DIMETHYL(METHYLTHIO)SULFONIUM TETRAFLUOROBORATE
dimethyl(methylthio)sulfonium tetra-fluoroborate
CAS: 5799-67-7
Molecular Formula: C3H9BF4S2
DIMETHYL(METHYLTHIO)SULFONIUM TETRAFLUOROBORATE - Names and Identifiers
| Name | dimethyl(methylthio)sulfonium tetra-fluoroborate |
| Synonyms | dmtsf trimethyldisulfanium tetrafluoroborate Dimethyl(methylthio)sulfoniumtetrafluoro] Dimethyl(methylthio)sulfonium tetrafluoroborate DIMETHYL(METHYLTHIO)SULFONIUM TETRAFLUOROBORATE dimethyl(methylthio)sulfonium tetra-fluoroborate DIMETHYL(METHYLTHIO)SULPHONIUM TETRAFLUOROBORATE Dimethyl(methylthio)sulfonium tetrafluoroborate,DMTSF 3-ethyl-1-[(4-methoxyphenyl)carbonyl]-5-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-5-ol |
| CAS | 5799-67-7 |
| InChI | InChI=1/C14H15F3N2O3/c1-3-10-8-13(21,14(15,16)17)19(18-10)12(20)9-4-6-11(22-2)7-5-9/h4-7,21H,3,8H2,1-2H3 |
DIMETHYL(METHYLTHIO)SULFONIUM TETRAFLUOROBORATE - Physico-chemical Properties
| Molecular Formula | C3H9BF4S2 |
| Molar Mass | 196.04 |
| Density | 1.34g/cm3 |
| Melting Point | 89-92 °C (lit.) |
| Boling Point | 408.8°C at 760 mmHg |
| Flash Point | 201°C |
| Vapor Presure | 2.04E-07mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White to Almost white |
| BRN | 3572194 |
| Storage Condition | -20°C |
| Refractive Index | 1.527 |
| MDL | MFCD00011806 |
DIMETHYL(METHYLTHIO)SULFONIUM TETRAFLUOROBORATE - Risk and Safety
| Risk Codes | 34 - Causes burns |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S27 - Take off immediately all contaminated clothing. S28 - After contact with skin, wash immediately with plenty of soap-suds. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 1759 8/PG 2 |
| WGK Germany | 3 |
| Hazard Note | Irritant |
| Hazard Class | 8 |
| Packing Group | III |
DIMETHYL(METHYLTHIO)SULFONIUM TETRAFLUOROBORATE - Introduction
dimethyl(methylthio)sulfonium tetra-fluoroborate is an organic sulfonium compound with the chemical formula [(CH3)2SCH2]BF4. It is colorless crystal, soluble in water and organic solvents.
The compound has a variety of uses. It is often used as a methylthio reagent in organic synthesis, which can provide its sulfur atom to the substrate in the reaction. It can be used to synthesize organic compounds having a methylthio group, such as methylthio alcohol, methylthio ether, etc. In addition, it can also be used to study and synthesize natural products and biologically active molecules with sulfur atoms.
dimethyl(methylthio)sulfonium tetra-fluoroborate is usually prepared by reacting dimethyl sulfoxide and sodium bisulfate to obtain dimethyl sulfoxide, then by S-methylsulfation reaction to obtain dimethyl(methylthio)sulfonium, and finally by reacting it with tetrafluoroboric acid to obtain tetrafluoroborate.
Regarding safety information, dimethyl(methylthio)sulfonium tetra-fluoroborate have not undergone comprehensive toxicity studies, so they need to be used with caution. It may cause irritation and damage to the skin, eyes and respiratory tract. Wear appropriate protective equipment such as gloves, goggles and protective masks during use. At the same time, the operation should be carried out under well-ventilated laboratory conditions to avoid inhalation or contact with the compound. When disposing of waste, observe relevant safety precautions and environmental regulations. It is best to use the compound under the guidance of experienced personnel.
The compound has a variety of uses. It is often used as a methylthio reagent in organic synthesis, which can provide its sulfur atom to the substrate in the reaction. It can be used to synthesize organic compounds having a methylthio group, such as methylthio alcohol, methylthio ether, etc. In addition, it can also be used to study and synthesize natural products and biologically active molecules with sulfur atoms.
dimethyl(methylthio)sulfonium tetra-fluoroborate is usually prepared by reacting dimethyl sulfoxide and sodium bisulfate to obtain dimethyl sulfoxide, then by S-methylsulfation reaction to obtain dimethyl(methylthio)sulfonium, and finally by reacting it with tetrafluoroboric acid to obtain tetrafluoroborate.
Regarding safety information, dimethyl(methylthio)sulfonium tetra-fluoroborate have not undergone comprehensive toxicity studies, so they need to be used with caution. It may cause irritation and damage to the skin, eyes and respiratory tract. Wear appropriate protective equipment such as gloves, goggles and protective masks during use. At the same time, the operation should be carried out under well-ventilated laboratory conditions to avoid inhalation or contact with the compound. When disposing of waste, observe relevant safety precautions and environmental regulations. It is best to use the compound under the guidance of experienced personnel.
Last Update：2024-04-10 22:29:15
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View History
DIMETHYL(METHYLTHIO)SULFONIUM TETRAFLUOROBORATE
1,7-克列夫酸
Oxirane, [(4-chlorophenoxy)methyl]-
腐殖酸(人造)
21224-16-8
2634687-74-2
Pentafluorobenzyl chloride
甲氟喹盐酸盐
乙酸三甲基硅
3-甲基十二酸
1,7-克列夫酸
Oxirane, [(4-chlorophenoxy)methyl]-
腐殖酸(人造)
21224-16-8
2634687-74-2
Pentafluorobenzyl chloride
甲氟喹盐酸盐
乙酸三甲基硅
3-甲基十二酸