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21023

Sigma-Aldrich

Cesium trifluoroacetate

BioUltra, ≥99.0% (NT)

Synonym(s):

CsTFA, Trifluoroacetic acid cesium salt

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About This Item

Linear Formula:
CF3COOCs
CAS Number:
Molecular Weight:
245.92
Beilstein:
4161420
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:

product line

BioUltra

Assay

≥99.0% (NT)

form

solid

impurities

Insoluble matter, passes filter test

pH

9.0-10.5 (25 °C, 2 M in H2O)

mp

114-116 °C (lit.)

solubility

H2O: 2 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤500 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤10 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

2 M in H2O

UV absorption

λ: 260 nm Amax: 0.09
λ: 280 nm Amax: 0.04

SMILES string

[Cs+].[O-]C(=O)C(F)(F)F

InChI

1S/C2HF3O2.Cs/c3-2(4,5)1(6)7;/h(H,6,7);/q;+1/p-1

InChI key

RJYSYRSELCQCSO-UHFFFAOYSA-M

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Other Notes

Isolation of proteoglycans using phenol extraction and isopycnic centrifugation

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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J A McBain et al.
Analytical biochemistry, 188(1), 203-213 (1990-07-01)
A procedure for the rapid isolation of heparan sulfate proteoglycans from Zwittergent lysates of cultured cells and cetylpyridinium precipitates of culture medium is described. After removal of most nonglycosylated proteins by phenol extraction, the proteoglycans are fractionated and isolated by

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