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Merck
CN

52411

Heptafluorobutyric acid

suitable for ion chromatography, ≥99.5% (GC)

Synonym(s):

Edman Reagent No. 3, HFBA, Perfluorobutyric acid

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About This Item

Linear Formula:
CF3CF2CF2COOH
CAS Number:
Molecular Weight:
214.04
UNSPSC Code:
41115710
NACRES:
NB.21
PubChem Substance ID:
EC Number:
206-786-3
Beilstein/REAXYS Number:
1426882
MDL number:
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Product Name

Heptafluorobutyric acid, suitable for ion chromatography, ≥99.5% (GC)

InChI key

YPJUNDFVDDCYIH-UHFFFAOYSA-N

InChI

1S/C4HF7O2/c5-2(6,1(12)13)3(7,8)4(9,10)11/h(H,12,13)

SMILES string

OC(=O)C(F)(F)C(F)(F)C(F)(F)F

vapor density

7 (vs air)

vapor pressure

~10 mmHg ( 25 °C)

description

anionic

assay

≥99.5% (GC)

form

liquid

shelf life

limited shelf life, expiry date on the label

technique(s)

ion chromatography: suitable

refractive index

n20/D 1.3 (lit.)

bp

120 °C/755 mmHg (lit.)

density

1.645 g/mL at 25 °C (lit.)

cation traces

Al: ≤0.5 mg/kg
Ba: ≤0.01 mg/kg
Bi: ≤0.01 mg/kg
Ca: ≤2 mg/kg
Cd: ≤0.01 mg/kg
Co: ≤0.01 mg/kg
Cr: ≤0.01 mg/kg
Cu: ≤0.01 mg/kg
Fe: ≤0.1 mg/kg
K: ≤0.5 mg/kg
Li: ≤0.01 mg/kg
Mg: ≤1 mg/kg
Mn: ≤0.01 mg/kg
Mo: ≤0.01 mg/kg
Na: ≤3 mg/kg
Ni: ≤0.01 mg/kg
Pb: ≤0.01 mg/kg
Sr: ≤0.01 mg/kg
Zn: ≤0.05 mg/kg

Quality Level

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Application

Heptafluorobutyric acid (HFBA) may be used to cleave glycylserine bonds, in an experimental protocol done in order to sequence glycine-rich protein from lizard claw.

Other Notes

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pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

Skin Corr. 1A

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Information

危险化学品
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Sequence of a glycine-rich protein from lizard claw: unusual dilute acid and heptafluorobutyric acid cleavages.
Inglis A
Proteins: Structure, Function, and Genetics, 757-764 (1987)
Yuko Murakami et al.
Organic & biomolecular chemistry, 12(48), 9887-9894 (2014-10-31)
Desmosine-CH2, an analog of the elastic tissue degradation biomarker desmosine, can be regarded as a potential internal standard for precise quantification of desmosines by LC-MS/MS. In this study, the chemical synthesis of desmosine-CH2 was completed in 22% overall yield in
Ulrika Eriksson et al.
Environmental science and pollution research international, 20(11), 7940-7948 (2013-04-17)
Diet and drinking water are suggested to be major exposure pathways for perfluoroalkyl substances (PFASs). In this study, food items and water from Faroe Islands sampled in 2011/2012 were analyzed for 11 perfluoroalkyl carboxylic acids (PFCAs) and 4 perfluoroalkane sulfonic
Marta Llorca et al.
The Science of the total environment, 431, 139-150 (2012-06-12)
Water has been identified as one of the main routes of human exposure to perfluoroalkyl substances (PFASs). This work assessed the presence of 21 PFASs along the whole water cycle using a new fast and cost effective analytical method based
Sławomir Wybraniec et al.
Journal of chromatography. A, 1216(41), 6890-6899 (2009-09-08)
Polar betacyanin pigments together with betaxanthins from ripe cactus fruits of Hylocereus polyrhizus (Cactaceae) were fractionated by means of preparative ion-pair high-speed countercurrent chromatography (IP-HSCCC) also using the elution-extrusion (EE) approach for a complete pigment recovery. HSCCC separations were operated

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