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EINECS 207-005-9
CAS No. 421-50-1 Density 1.223 g/cm3
PSA 17.07000 LogP 1.13770
Solubility miscible with water Melting Point -78 °C
Formula C3H3F3O Boiling Point 21.5 °C at 760 mmHg
Molecular Weight 112.051 Flash Point -23 °F
Transport Information UN 1993 3/PG 1 Appearance Clear colourless liquid
Safety 16-26-29-33-36-7/9-9-37/39 Risk Codes 12-36/37/38
Molecular Structure Molecular Structure of 421-50-1 (1,1,1-Trifluoroacetone) Hazard Symbols HighlyF+, IrritantXi, FlammableF

Trifluoromethyl methyl ketone;a,a,a-Trifluoroacetone;1,1,1-Trifluoro-2-propanone;3,3,3-Trifluoroacetone;Methyl trifluoromethyl ketone;NSC 66412;

Article Data 55

1,1,1-Trifluoroacetone Chemical Properties

IUPAC Name: 1,1,1-trifluoropropan-2-one
The Molecular Formula of 1,1,1-Trifluoroacetone: C3H3F3O
The Molecular Weight of 1,1,1-Trifluoroacetone (421-50-1): 112.05 g/mol
EINECS: 207-005-9
Melting point: -78 °C 
Boiling Point: 22 °C(lit.)
density: 1.252 g/mL at 25 °C(lit.)
vapor pressure: 13.62 psi ( 20 °C)
refractive index: n20/D 1.3(lit.)
Flashing point: -23 °F
storage temp.: 2-8°C
Water Solubility: Miscible
Sensitive: Lachrymatory
Appearance: Clear, colorless liquid. Like chloroform odor.
Categories: C3 to C6;Carbonyl Compounds;Ketones
Synonyms: Trifluoroacetone ; 1,1,1-trifluoro-2-propanon ; 3,3,3-Trifluoroacetone ; Methyl trifluoromethyl ketone ; Trifluoromethyl methyl ketone ; 1,1,1-Trifluoroacetone
The Structure of 1,1,1-Trifluoroacetone (421-50-1):


1,1,1-Trifluoroacetone Toxicity Data With Reference

 Ethyl trifluoroacetate (CAS NO.421-50-1) hasn't been listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65. And the toxicological properties have not been fully investigated. You can see actual entry in RTECS for complete information.

1,1,1-Trifluoroacetone Safety Profile

Hazard Codes: F+,F,Xi
Risk Statements: 12-36/37/38
12:  Extremely Flammable 
36/37/38:  Irritating to eyes, respiratory system and skin 
Safety Statements: 16-26-29-33-36-7/9-9-37/39
16:  Keep away from sources of ignition - No smoking 
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 
29:  Do not empty into drains 
33:  Take precautionary measures against static discharges 
36:  Wear suitable protective clothing 
7/9:  Keep container tightly closed and in a well-ventilated place 
9:  Keep container in a well-ventilated place 
37/39:  Wear suitable gloves and eye/face protection 
RIDADR: UN 1993 3/PG 1
WGK Germany: 3
F: 19: Lachrymator.
Hazard Note: Flammable/Lachrymatory
HazardClass: 3
PackingGroup: I
HS Code: 29147090

1,1,1-Trifluoroacetone Specification

It is hazardous, so the first aid measures and others should be known. Such as: When on the skin: first, should flush skin with plenty of water immediately for at least 15 minutes while removing contaminated clothing. Secondly, get medical aid. Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Then get medical aid soon. While, it's inhaled: Remove from exposure and move to fresh air immediately. Give artificial respiration while not breathing. When breathing is difficult, give oxygen. And as soon as to get medical aid. Then you have the ingesting of the product : wash mouth out with water,and get medical aid soon. Ethyl trifluoroacetate (CAS NO.421-50-1) should keep away from sources of ignition. In addition, Ethyl trifluoroacetate (CAS NO.421-50-1) could be stable under normal temperatures and pressures, and it absorbs moisture or water from the air. It is not compatible with water, metals, strong oxidizing agents, strong acids, strong bases, alcohols, alkali metals. And also prevent it to broken down into hazardous decomposition products: carbon monoxide, carbon dioxide, hydrogen fluoride gas, fluorine. It will not occur hazardous polymerization.

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