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00681

Ftaldialdehído

Name: Ftaldialdehído
Brand: SIAL

puriss. p.a., ≥98.5% (HPLC)

Sinónimos:

Dicarboxaldehído o-ftálico, o-Ftalaldehído, Benceno-1,2-dicarboxaldehído, OPA

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About This Item

Fórmula empírica (notación de Hill):

C₈H₆O₂

Número de CAS:

643-79-8

Peso molecular:

134.13

Beilstein/REAXYS Number:

878317

EC Number:

211-402-2

MDL number:

MFCD00003335

UNSPSC Code:

12352100

PubChem Substance ID:

24844938

grade

puriss. p.a.

assay

≥98.5% (HPLC)

impurities

≤0.5% phthalic acid

ign. residue

≤0.1% (as SO₄)

mp

54-56 °C

cation traces

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
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

storage temp.

2-8°C

SMILES string

O=Cc1ccccc1C=O

InChI

1S/C8H6O2/c9-5-7-3-1-2-4-8(7)6-10/h1-6H

InChI key

ZWLUXSQADUDCSB-UHFFFAOYSA-N

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Biochem/physiol Actions

El ftaldialdehído se puede utilizar para la derivatización pre-columna de aminoácidos para la separación mediante cromatografía de líquidos de alto rendimiento (HPLC). También se puede utilizar para mediciones mediante citometría de flujo de los grupos tiol de las proteínas.

pictograms

GHS06,GHS05,GHS09

signalword

Danger

hcodes

H301,H314,H317,H335,H410

pcodes

P260 - P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338

Hazard Classifications

Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk_germany

WGK 3

flash_point_f

269.6 °F - closed cup

flash_point_c

132 °C - closed cup

ppe

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

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The stable o-phthalaldehyde-ferrocene/6-ferrocenyl-1-hexanethiol pre-column derivatization high-performance liquid chromatography of dimethylarginine by novel dual fluorescence and electrochemical detector.

Katsuhiro Suzuki et al.

Biomedical chromatography : BMC, 27(4), 535-538 (2012-09-29)

Monomethylarginine, asymmetric dimethylarginine and symmetric dimethylarginine were separated on a Wakopak Combi ODS with an acetonitrile-100 mm potassium phosphate buffer (pH 7.0; 1:1, v/v). Dimethylarginines were derived from o-phthalaldehyde for the fluorescence detector and from 6-ferrocenyl-1-hexanethiol for the electrochemical detector. The

2-Formylcinnamaldehyde formation yield from the OH radical-initiated reaction of naphthalene: effect of NO(2) concentration.

Noriko Nishino et al.

Environmental science & technology, 46(15), 8198-8204 (2012-07-20)

Naphthalene, typically the most abundant polycyclic aromatic hydrocarbon in the atmosphere, reacts with OH radicals by addition to form OH-naphthalene adducts. These OH-naphthalene adducts react with O(2) and NO(2), with the two reactions being of equal importance in air at

Irreversible phototautomerization of o-phthalaldehyde through electronic relocation.

Quansong Li et al.

Physical chemistry chemical physics : PCCP, 14(18), 6561-6568 (2012-03-30)

The potential energy surface for the intramolecular excited state hydrogen transfer (IESHT) in ortho-phthalaldehyde (OPA), which generates an enol ketene, has been studied with ab initio calculations (MS-CASPT2//CASSCF). The goal of our study is to establish the mechanistic factors that

Mechanistic insights into the inhibition of endo-β 1,4 xyloglucan hydrolase by a classical aspartic protease inhibitor.

Vishnu Menon et al.

Journal of fluorescence, 23(2), 311-321 (2012-12-06)

This is the first report of inactivation of xyloglucanase from Thermomonospora sp by pepstatin A, a specific inhibitor towards aspartic proteases. The steady state kinetics revealed a reversible, competitive, two-step inhibition mechanism with IC 50 and K i values of

The effect of zinc ion on the absorption and emission spectra of glutathione derivative: predication by ab initio and DFT methods.

Jianhua Liu et al.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 91, 307-313 (2012-03-06)

Relying on the reaction of o-phthalaldehyde (OPA) with glutathione (GSH) to form a highly fluorescence derivative GSH-OPA has been widely used to measure reduced glutathione. In order to better understand spectra property of the GSH-OPA and the effect of zinc

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