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Sigma-Aldrich

Calcium(II) bis(trifluoromethanesulfonimide)

95%

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Synonym(s):
Ca(NTf2)2, Calcium triflimide
Empirical Formula (Hill Notation):
C4CaF12N2O8S4
CAS Number:
Molecular Weight:
600.37
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Assay

95%

form

powder

mp

>300 °C

SMILES string

FC(F)(F)S(=O)(=O)N([Ca]N(S(=O)(=O)C(F)(F)F)S(=O)(=O)C(F)(F)F)S(=O)(=O)C(F)(F)F

InChI

1S/2C2F6NO4S2.Ca/c2*3-1(4,5)14(10,11)9-15(12,13)2(6,7)8;/q2*-1;+2

InChI key

WFABOCFDABTAPE-UHFFFAOYSA-N

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This Item
C4955753424720755
Calcium nitrate tetrahydrate BioXtra, ≥99.0%

Sigma-Aldrich

C4955

Calcium nitrate tetrahydrate

Premium Grade
form

powder

form

powder

form

powder

form

solid

mp

>300 °C

mp

44 °C (dec.) (lit.)

mp

>200 °C

mp

143-147 °C

Quality Level

100

Quality Level

200

Quality Level

100

Quality Level

100

General description

Calcium(II) bis(trifluoromethanesulfonimide) also known as Calcium triflimide (Ca(NTf2)2), is widely employed as a Lewis acid catalyst in organic synthesis. It facilitates a range of transformations, including Friedel-Crafts alkylation and sulfonamide synthesize.

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Skin Corr. 1B

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Calcium-catalyzed Friedel--Crafts addition of 1-methylindole to activated cyclopropanes
Dulin CC, et al.
Tetrahedron Letters, 55(38), 5280-5282 (2014)
Friedel-Crafts alkylation of benzo [b] furan with activated cyclopropanes catalyzed by a calcium (II) complex
Tetrahedron Letters, 59(1), 18-21 (2018)
Sulfonamide synthesis via calcium triflimide activation of sulfonyl fluorides
Organic Letters, 20(13), 3943-3947 (2018)

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