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Picture of Trimethylsilyl trifluoromethanesulfonate, 99%
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Trimethylsilyl trifluoromethanesulfonate, 99%

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Products specifications
Common name TMSOTf
Assay 99%
CAS # 27607-77-8
MDL # MFCD00000406
Molecular Formula C4H9F3O3SSi
Molecular Weight 222.26
EINECS 248-565-4
Merck 149719.00
Beilstein 1868911.00
UN# UN2924
Harmonized Tariff Code 2931.90
Appearance colorless liq.
Boiling Point 39-40 °C/12 mmHg
Flash Point 25 °C (77 °F)
Density 1.23
n20/D 1.36
Sensitivity Moisture Sensitive
Handling Instruction Store in a tightly sealed container under an inert atmosphere. Keep in a cool dry place away from heat and direct sunlight. Ensure good ventilation at the workplace.
Signal WordDanger
Hazard CodesH314-H318-H226?
Hazard StatementsCauses severe skin burns and eye damage. Causes serious eye damage. Flammable liquid and vapour.
Precautionary CodesP210-P260-P303+P361+P353-P305+P351+P338-P405-P501A?
Precautionary StatementsKeep away from heat/sparks/open flames/hot surfaces. - No smoking. Do not breathe dust/fume/gas/mist/vapours/spray. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.
Risk Codes10-14-34
Risk PhrasesFlammable. Reacts violently with water. Causes burns.
Safety Codes8-20-26-30-36/37/39-45-60
Safety PhrasesKeep container dry. When using do not eat or drink. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Never add water to this product. Wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). This material and/or its container must be disposed of as hazardous waste.
WGK Germany3
Personal Protective EquipmentFaceshields,?full-face respirator (US),?Gloves,?Goggles,?multi-purpose combination respirator cartridge (US),?type ABEK (EN14387) respirator filter
TSCAYes
Products specifications
Common name TMSOTf
Assay 99%
CAS # 27607-77-8
MDL # MFCD00000406
Molecular Formula C4H9F3O3SSi
Molecular Weight 222.26
EINECS 248-565-4
Merck 149719.00
Beilstein 1868911.00
UN# UN2924
Harmonized Tariff Code 2931.90
Appearance colorless liq.
Boiling Point 39-40 °C/12 mmHg
Flash Point 25 °C (77 °F)
Density 1.23
n20/D 1.36
Sensitivity Moisture Sensitive
Handling Instruction Store in a tightly sealed container under an inert atmosphere. Keep in a cool dry place away from heat and direct sunlight. Ensure good ventilation at the workplace.