302031
Sigma-Aldrich

Trifluoroacetic acid

spectrophotometric grade, 99+ %

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Synonym

TFA

Molecular Formula

CF₃COOH

Molecular Weight

114.02

CAS Number

76-05-1

Beilstein Registry Number

742035

MDL number

MFCD00004169

PubChem Substance ID

24858228

EG/EC Number

200-929-3

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Descriptions

Other Notes

The effect of changing the direction of TFA delivery when sequencing proteins or peptides from PVDF membranes¹.

Packaging

1 L in glass btl

100 mL in glass btl

Properties

grade

spectrophotometric grade

vapor density

3.9 (vs air)

vapor pressure

97.5 mmHg ( 20 °C)

assay

99+ %

total impurities

<0.050% water

evapn. residue

<0.005%

refractive index

n20/D 1.3(lit.)

72.4 °C(lit.)

−15.4 °C(lit.)

density

1.535 g/mL at 25 °C(lit.)

H₂O reference

UV absorption

λ: 260 nm A_max: 1.00

λ: 270 nm A_max: 0.10

λ: 280 nm A_max: 0.05

λ: 290 nm A_max: 0.04

λ: 300-320 nm A_max: 0.03

References

Cited Reference

1. W. Roepke Biotechnol. Forum Eur. 7, 161, (1990)

Merck

Merck 13,9754

Beilstein

Beil. 2,IV,458

Fieser

Fieser 1,1219 / Fieser 2,433 / Fieser 3,305 / Fieser 4,530 / Fieser 5,695 / Fieser 6,613 / Fieser 7,388 / Fieser 8,503 / Fieser 9,483 / Fieser 10,418 / Fieser 11,557 / Fieser 12,529 / Fieser 14,322 / Fieser 15,338 / Fieser 17,369

Safety

Hazard Codes

Risk Statements

20-35-52/53

Safety Statements

9-26-27-28-45-61

RIDADR

UN2699 8/PG 1

WGK Germany

RTECS

AJ9625000

Related Categories

... Acids & Bases > Spectrophotometric

MSDS

Specification Sheet

Certificate of Analysis

Certificate of Origin

More Information