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Name	1,3,5-Tris[(3,3,3-trifluoropropyl)methyl]cyclotrisiloxane	EINECS	219-154-7
CAS No.	2374-14-3	Density	1.23 g/cm³
PSA	27.69000	LogP	6.12300
Solubility	1.3ng/L at 20℃	Melting Point	35 °C
Formula	C₁₂H₂₁F₉O₃Si₃	Boiling Point	253.5 °C at 760 mmHg
Molecular Weight	468.539	Flash Point	107.1 °C
Transport Information	UN 2811	Appearance	Translucent to white waxy solid
Safety	26-36/37/39-45	Risk Codes	25-36/37/38
Molecular Structure		Hazard Symbols	F
Synonyms	(3,3,3-Trifluoropropyl)methylsiloxanecyclic trimer;1,3,5-Trimethyl-1,3,5-tris(3,3,3-trifluoropropyl)cyclotrisiloxane;1,3,5-Tris(3,3,3-trifluoropropyl)-1,3,5-trimethylcyclotrisiloxane;2,4,6-Trimethyl-2,4,6-tris(3,3,3-trifluoropropyl)cyclotrisiloxane;Tris-3,3,3-trifluoropropyltrimethylcyclotrisiloxane;

1,3,5-Tris[(3,3,3-trifluoropropyl)methyl]cyclotrisiloxane Synthetic route

: 675-62-7
methyl(3,3,3-trifluoropropyl)dichlorosilane

A: 2374-14-3
1,3,5-tris(3,3,3-trifluoropropyl)-1,3,5-trimethylcyclotrisiloxane

B: 429-67-4
2,4,6,8-tetramethyl-2,4,6,8-tetrakis-(3,3,3-trifluoro-propyl)-cyclotetrasiloxane

Conditions

Conditions	Yield
With diethyl ether; water

: 675-62-7
methyl(3,3,3-trifluoropropyl)dichlorosilane

: 2374-14-3
1,3,5-tris(3,3,3-trifluoropropyl)-1,3,5-trimethylcyclotrisiloxane

Conditions

Conditions	Yield
hydrolysis;

: 2374-14-3
1,3,5-tris(3,3,3-trifluoropropyl)-1,3,5-trimethylcyclotrisiloxane

: 2802-54-2
1,3,5-tris(3,3,3-trifluoropropyl)-1,3,5-trimethyltrisiloxane-1,5-diol

Conditions

Conditions	Yield
With palladium on activated carbon; water; hydrogen In tetrahydrofuran at 25℃; for 144h;	90.2%

: 2374-14-3
1,3,5-tris(3,3,3-trifluoropropyl)-1,3,5-trimethylcyclotrisiloxane

: 75-78-5
dimethylsilicon dichloride

: 1342892-55-0
C14H28F9NO3Si4

Conditions

Conditions	Yield
Stage #1: 1,3,5-tris(3,3,3-trifluoropropyl)-1,3,5-trimethylcyclotrisiloxane; dimethylsilicon dichloride; 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone at 20℃; for 12h; Inert atmosphere; Stage #2: With ammonia In toluene at 5℃; for 6h; Cooling with ice;	89.1%

: 2374-14-3
1,3,5-tris(3,3,3-trifluoropropyl)-1,3,5-trimethylcyclotrisiloxane

: 591-51-5
phenyllithium

: 242808-84-0
methyl(phenyl)(3,3,3-trifluoropropyl)silanol

Conditions

Conditions	Yield
In diethyl ether at 0 - 20℃; Alkylation;	84%

: 2374-14-3
1,3,5-tris(3,3,3-trifluoropropyl)-1,3,5-trimethylcyclotrisiloxane

: 70877-11-1
bis<4-(methacryloyloxy)butyl>tetramethyldisiloxane

: C60H108F30O15Si12

Conditions

Conditions	Yield
With trifluorormethanesulfonic acid In chloroform at 25℃; for 24h;	81.5%

: 2374-14-3
1,3,5-tris(3,3,3-trifluoropropyl)-1,3,5-trimethylcyclotrisiloxane

: 1,3-bis(3-(acryloxymethyl)phenylethyl)tetramethyldisiloxane

: C68H108F30O15Si12

Conditions

Conditions	Yield
With trifluorormethanesulfonic acid In chloroform at 25℃; for 24h;	80.3%

: 2374-14-3
1,3,5-tris(3,3,3-trifluoropropyl)-1,3,5-trimethylcyclotrisiloxane

: 2417-95-0
p-tolyllithium

: 267012-06-6
methyl(4-methylphenyl)(3,3,3-trifluoropropyl)silanol

Conditions

Conditions	Yield
In diethyl ether Arylation;	76%

: 2374-14-3
1,3,5-tris(3,3,3-trifluoropropyl)-1,3,5-trimethylcyclotrisiloxane

: 60595-37-1
(E)-1-iodohept-1-ene

: (E)-(3,3,3-trifluoropropyl)-methyl-(1-heptenyl)silanol

Conditions

Conditions	Yield
Stage #1: (E)-1-iodohept-1-ene With n-butyllithium In diethyl ether; hexane at -78℃; for 1h; Stage #2: 1,3,5-tris(3,3,3-trifluoropropyl)-1,3,5-trimethylcyclotrisiloxane In diethyl ether at -78 - 20℃;	75%

: 2374-14-3
1,3,5-tris(3,3,3-trifluoropropyl)-1,3,5-trimethylcyclotrisiloxane

: 4541-70-2
2-naphthyllithium

: methyl-naphthalen-2-yl-(3,3,3-trifluoro-propyl)-silanol

Conditions

Conditions	Yield
In diethyl ether at 0 - 20℃; Alkylation;	74%

1,3,5-Tris[(3,3,3-trifluoropropyl)methyl]cyclotrisiloxane Chemical Properties

Chemistry informtion about Fluorosilicone Trimer (CAS NO.2374-14-3) is:
IUPAC Name: 2,4,6-trimethyl-2,4,6-tris(3,3,3-trifluoropropyl)-1,3,5,2,4,6-trioxatrisilinane
Synonyms: (3,3,3-Trifluoropropyl)Methylcyclic Siloxanes ; (3,3,3-Trifluoropropyl)Methylcyclosiloxanes ; (3,3,3-Trifluoropropyl)Methylcyclotrisiloxane ; (3,3,3-Trifluoropropyl)Methylsiloxanes ; 1,3,5-Trimethyl-1,3,5-Tris(3,3,3-Trifluoropropyl)Cyclotrisiloxane ; 1,3,5-Tri[(3,3,3-Trifluoropropyl)Methyl] Cyclotrisiloxane ; 1,3,5-Tris[(3,3,3-Trifluoropropyl)Methyl]Cyclotrisiloxane ; (3,3,3-Trifluoropropyl)Methylsiloxanecyclictrimer
Product Categories: Fluoro ; Organics ; Fluoro Silanes ; Siloxanes
MF: C₁₂H₂₁F₉O₃Si₃
MW: 468.54
EINECS: 219-154-7
Density: 1.23 g/cm³
Melting Point: 35°C
Flash Point: 107.1 °C
Boiling Point: 253.5 °C at 760 mmHg
Vapour Pressure: 0.0291 mmHg at 25°C
Enthalpy of Vaporization: 47.1 kJ/mol
Refractive Index: 1.38
BRN: 1809096
Following is the molecular structure of Fluorosilicone Trimer (CAS NO.2374-14-3) is:

1,3,5-Tris[(3,3,3-trifluoropropyl)methyl]cyclotrisiloxane Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rabbit	LD50	skin	25400mg/kg (25400mg/kg)	behavioral: somnolence (general depressed activity) lungs, thorax, or respiration: dyspnea liver: other changes	National Technical Information Service. Vol. OTS0572679,
rat	LD50	oral	180mg/kg (180mg/kg)		National Technical Information Service. Vol. OTS0557552,

1,3,5-Tris[(3,3,3-trifluoropropyl)methyl]cyclotrisiloxane Consensus Reports

Reported in EPA TSCA Inventory.

1,3,5-Tris[(3,3,3-trifluoropropyl)methyl]cyclotrisiloxane Safety Profile

Low toxicity by skin contact. When heated to decomposition it emits toxic vapors of F⁻.
Hazard Codes:
Flammable F
Risk Statements:
R25 :Toxic if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements:
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.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: 2811
RTECS: GZ4818000
Hazard Note: Flammable
TSCA: Yes
HazardClass: 6.1
PackingGroup: II

1,3,5-Tris[(3,3,3-trifluoropropyl)methyl]cyclotrisiloxane Specification

Fluorosilicone Trimer (CAS NO.2374-14-3) is a translucent to white waxy solid.
First Aid Measures:
Ingestion: Seek medical assistance.
Inhalation: Move victim to fresh air. Apply artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult.
Skin: Remove and isolate contaminated clothing and shoes. Immediately flush with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin.
Eyes: Immediately flush with running water for at least 20 minutes.

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