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92816

Supelco

Maleic acid

Standard for quantitative NMR, TraceCERT®

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

Quality Level

grade

Standard for quantitative NMR
certified reference material
TraceCERT®

description

qNMR Standard for D2O and organic solvents (6.2 ppm)

shelf life

limited shelf life, expiry date on the label

technique(s)

gas chromatography (GC): suitable
qNMR: suitable

mp

130-135 °C (lit.)

density

1.59 g/mL at 25 °C (lit.)

application(s)

cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care

format

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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General description

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.

Other Notes

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

Legal Information

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

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

8B - Non-combustible, corrosive hazardous materials

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).

More Documents

Quotes and Ordering

Articles

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