TRIFLUOROACETALDEHYDE METHYL HEMIACETAL

Molecular Structure of 1-Methoxy-2,2,2-trifluoroethanol (CAS NO.431-46-9):

IUPAC: 2,2,2-Trifluoro-1-methoxy-ethanol
Molecular Formula:C₃H₅F₃O₂
Molecular Weight:130.07
EINECS:207-072-4
Density:1.36 g/cm³
Flash Point:24.1^oC 
Boiling Point:43^oC at 760 mmHg 
SMILES:FC(F)(F)C(O)OC 
InChI:InChI=1/C3H5F3O2/c1-8-2(7)3(4,5)6/h2,7H,1H3 
InChIKey:GWTBCUWZAVMAQV-UHFFFAOYAC 
Refractive index:1.33
Molar Volume:98.6 cm³
Surface Tension: 20 dyne/cm 
Molar Refractivity:19.64 cm³
Enthalpy of Vaporization:33.48 kJ/mol 
Vapour Pressure:336 mmHg at 25^oC 

Reported in EPA TSCA Inventory.

Moderately toxic by ingestion and intraperitoneal routes. When heated to decomposition it emits toxic fumes of F⁻.
Safty informations about 1-Methoxy-2,2,2-trifluoroethanol (CAS NO.431-46-9):
Hazard Codes:T,F
Risk Statements:10-20/21/22
R10:Flammable.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements:16-26-36/37/39
S16:Keep away from sources of ignition.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
RIDADR:1993
RTECS:KL6600000
Hazard Note:Toxic
TSCA:T
HazardClass:3
PackingGroup:III

 1-Methoxy-2,2,2-trifluoroethanol with cas registry number of 431-46-9 is also known as 1-Methoxy-2,2,2-trifluoro-ethano ; 1-Methoxy-2,2,2-trifluoroethanol ; 2,2,2-Trifluoro-1-methoxy-ethano ; Fluoralmethylhemiacetal ; Fluoral hemimethylacetal ; Trifuoroacetaldehyde hemimethylacetal ; Trifluoroacetaldehyde hemimethyl acetal ; Trifluoroacetaldehyde methyl hemiacetal . It is an alternative to gaseous unstable trifluoroacetaldehyde. It is used to prepare a-trifluoromethylated alcohols for antifungals, antitumor, and chemotherapeutic agents and as a building block in the synthesis of fluorinated molecules.