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Merck

92816

Supelco

Maleic acid

Standard for quantitative NMR, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

Synonim(y):

cis-Butenedioic acid, Toxilic acid

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About This Item

Wzór liniowy:
HO2CCH=CHCO2H
Numer CAS:
Masa cząsteczkowa:
116.07
Beilstein:
605762
Numer WE:
Numer MDL:
Kod UNSPSC:
41116107
Identyfikator substancji w PubChem:
NACRES:
NA.24

klasa czystości

Standard for quantitative NMR
certified reference material
TraceCERT®

Poziom jakości

opis

qNMR Standard for D2O and organic solvents (6.2 ppm)

okres trwałości

limited shelf life, expiry date on the label

producent / nazwa handlowa

Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

metody

gas chromatography (GC): suitable
qNMR: suitable

mp

130-135 °C (lit.)

gęstość

1.59 g/mL at 25 °C (lit.)

Zastosowanie

cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care
pharmaceutical

format

neat

ciąg SMILES

OC(=O)\C=C/C(O)=O

InChI

1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1-

Klucz InChI

VZCYOOQTPOCHFL-UPHRSURJSA-N

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Opis ogólny

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.
Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com.

Check out our entire range of quantitative NMR standards (qNMR standards)

Maleic acid is a butenedioic acid having a double bond in cis- (Z)-configuration. It is used in the industrial manufacturing of lubricant additives, unsaturated polyester resins, surface coatings, plasticizers, copolymers, and agricultural chemicals.
This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food. Find all available reference materials for compounds listed in 10/2011 here

Zastosowanie

The certified reference material (CRM) is intended to be used as a standard for quantitative 1H-NMR measurements.

Cechy i korzyści

  • Produced and certified under ISO/IEC 17025 and ISO 17034 accreditation
  • Traceable to NIST PS1 (Benzoic acid)
  • Accompanied with a comprehensive Certificate of Analysis (CoA) (up to four pages), as per ISO Guide 31, with data on stability, density, homogeneity, the accuracy of concentration, uncertainty, and traceability
  • Gravimetrically prepared using high-quality qNMR-characterized starting materials and qualified precision balances to ensure minimal uncertainty
  • Rigorously tested through real-time stability studies to ensure accuracy and shelf life
  • Available in a solid neat format in a brown glass bottle

Inne uwagi

Chemcial Shift: 6.2 ppm (chemical shifts may slightly vary depending on the experimental conditions)
Suitable NMR solvents: D2O, MeOD, DMSO-d6

Polecane produkty

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

Informacje prawne

TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany
This page may contain text that has been machine translated.

Piktogramy

CorrosionExclamation mark

Hasło ostrzegawcze

Danger

Zwroty wskazujące rodzaj zagrożenia

Klasyfikacja zagrożeń

Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1 - Skin Sens. 1 - STOT SE 3

Organy docelowe

Respiratory system

Kod klasy składowania

8A - Combustible corrosive hazardous materials

Klasa zagrożenia wodnego (WGK)

WGK 1


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Certyfikaty analizy (CoA)

Lot/Batch Number

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Produkty

The signal ratio of two different protons can be measured with tremendous precision, which enables the generation of certified reference materials for use as qNMR standards.

Powiązane treści

ChemisTwin is your new online digital assistant for NMR result interpretation. It will save you time by automating the interpretation of routine NMR analysis for structure confirmation as well as quantitative NMR (qNMR) measurements using qNMR eRMs from our verified electronic Reference Materials database.

ChemisTwin automatyzuje interpretację wyników NMR, oszczędzając czas dzięki potwierdzaniu struktury i ilościowym pomiarom NMR przy użyciu elektronicznych materiałów referencyjnych.

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