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Trimethylsilyl 2-(fluorosulfonyl)difluoroacetate

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Origin: China

Cas No: 120801-75-4

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 120801-75-4 Formula: C5H9F3O4SSi Molecular Weight: 250.26800

Basic Info

Chemical Name	Trimethylsilyl 2-(fluorosulfonyl)difluoroacetate
Synonyms	Trimethylsilyl (fluorosulfonyl)difluoroacetate; Trimethylsilyl Difluoro(fluorosulfonyl)acetate; Difluoro(fluorosulfonyl)acetic Acid Trimethylsilyl Ester; Trimethylsilyl 2,2-difluoro-2-(fluorosulfonyl)acetate; trimethylsilyl 2,2-difluoro-2-fluorosulfonylacetate;
CAS No.	120801-75-4
Molecular Formula	C5H9F3O4SSi
Molecular Weight	250.26800
PSA	68.82000
LogP	2.33740

Properties

Density	1.27
Boiling Point	156ºC
Flash Point	80
Refractive Index	1.367
Vapor Pressure	0.000814mmHg at 25°C

Safety Info

Hazard Class	8
Safety Statements	S16-S26-S27-S36/37/39
HS Code	2931900090
WGK Germany	2
Packing Group	II
RIDADR	UN 2920
Risk Statements	R10; R34
Hazard Codes	C

Synthesis Route

hexamethyldisiloxane+2,2-difluoro-2-fluorosulfonylacetyl fluoride→fluoro(trimethyl)silane+Trimethylsilyl 2-(fluorosulfonyl)difluoroacetate
hexamethyldisiloxane+2,2-difluoro-2-fluorosulfonylacetyl fluoride→fluoro(trimethyl)silane+2,2-Difluoro-2-(fluorosulfonyl)acetic acid
chlorotrimethylsilane+2,2-Difluoro-2-(fluorosulfonyl)acetic acid→Trimethylsilyl 2-(fluorosulfonyl)difluoroacetate

Precursor

2,2-Difluoro-2-(fluorosulfonyl)acetic acid
2,2-difluoro-2-fluorosulfonylacetyl fluoride
hexamethyldisiloxane
chlorotrimethylsilane

Downstream Product

Trimethylsilanol
Methyl 2,2-difluoro-2-(fluorosulfonyl)acetate
3-methyluracil
2-O-difluoromethyl-3-N-methyluracil

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