Merck
All Photos(2)

92816

Supelco

Maleic acid

Standard for quantitative NMR, TraceCERT®

Synonym(s):
cis-Butenedioic acid, Toxilic acid
Linear Formula:
HO2CCH=CHCO2H
Molecular Weight:
116.07
Beilstein:
605762
Número EC:
Número MDL:
ID de substância PubChem:
NACRES:
NA.24

grau

Standard for quantitative NMR
certified reference material
TraceCERT®

Nível de qualidade

300

descrição

qNMR Standard for D2O and organic solvents (6.2 ppm)

prazo de validade

limited shelf life, expiry date on the label

technique(s)

gas chromatography (GC): suitable
qNMR: suitable

pf

130-135 °C (lit.)

densidade

1.59 g/mL at 25 °C (lit.)

application(s)

cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care

formato

neat

SMILES string

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-

InChI key

VZCYOOQTPOCHFL-UPHRSURJSA-N

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Descrição geral

Maleic acid can be obtained via distillation of malic acid. It can undergo conversion to fumaric acid via heating in the presence of a strong acid.
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.

Outras notas

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

Informações legais

TraceCERT is a registered trademark of Sigma-Aldrich Co. LLC

Pictogramas

CorrosionExclamation mark

Palavra indicadora

Danger

Classificações de perigo

Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

Órgãos-alvo

Respiratory system

Código de classe de armazenamento

11 - Combustible Solids

WGK

WGK 1

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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