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001538 - 2,2,2-Trifluoroethyl p-toluenesulfonate

CAS Number 433-06-7 MDL Number MFCD00000443
Boiling Point 87-92°/0.1mm Melting Point 38-40°
Density Purity 97%
Molecular Formula C9H9F3O3S Molecular Weight 254.22
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Stock and Pricing
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1g £ 10.00 > 10
25g £ 11.00 < 1 week
100g £ 33.00 1
500g £ 125.00 < 1 week
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Hazards and Precautions


Hazard Statements

H315: Causes skin irritation.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.

Precautionary Statements

P233: Keep container tightly closed.
P260: Do not breathe .
P261: Avoid breathing .
P264: Wash hands thoroughly after handling.
P271: Use only outdoors or in a well-ventilated area.
P280: Wear .
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing..
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P312: Call a POISON CENTER or doctor/physician if you feel unwell.
P321: Specific treatment (see relevant procedures. on this label).
P332 + P313: If skin irritation occurs: Get medical advice/ attention.
P337 + P313: If eye irritation persists: Get medical advice/attention.
P340: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P362: Take off contaminated clothing and wash before reuse.
P403: Store in a well-ventilated place.
P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
P501: Dispose of contents/container to in accordance with local regulation .

None Hazardous for Transport

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Technical Information

Used as an intermediate and a building block in organic synthesis. Used in the synthesis of 2,2-difluorovinyl carbonyl compounds,1 gem-Difluoroolefins,2  functionalized gem-difluoro-penta-1,4-dienes,3 2,2-difluorovinyl- and 2-fluorovinylphosphorus compounds,4 and 3-fluorinated isochromenes and isothiochromenes.5 The material is also employed in the synthesis of fluorinated laser dyes.6

1. Tetrahedron Lett. 1992, 33, 337.
2. J. Fluorine Chem. 2000, 105, 257.
3. J. Fluorine Chem. 2001, 109, 141.
4. Synlett 1992, 833.
5. Bull. Chem. Soc. Jpn. 2001, 74, 971.
6. U.S. Patent 51114721992.