Substance
ID:361318
Names and Identifiers
IUPAC Traditional name
butenedioic acid
IUPAC name
but-2-enedioic acid
Synonyms
Toxilic acidcis-Butenedioic acid顺丁烯二酸失水苹果酸马来酸Maleic acid
Registration numbers
CAS Number
EC Number
Beilstein Number
MDL Number
Properties
Product Information
Linear Formula
HO2CCH=CHCO2H
Shelf Life
(limited shelf life, expiry date on the label)
Grade
TraceCERT®
Description
qNMR Standard for D2O and organic solvents (6.2 ppm)
Physical Property
Melting Point
137-140 °C(lit.)
Flash Point
127 °C
260.6 °F
Density
1.59 g/mL at 25 °C(lit.)
Safety Information
GHS Precautionary statements
P261-P280-P305+P351+P338
German water hazard class
1
MSDS Link
GHS Hazard statements
H302+H312-H315-H317-H318-H319-H335
European Hazard Symbols
Harmful (Xn)Safety Statements
24-26-28-37-46
GHS Pictograms
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
Corrosive to metals, category 1
Skin corrosion, categories 1A,1B,1C
Serious eye damage, category 1
GHS Signal Word
Danger
Risk Statements
22-36/37/38-43
Molecule Details
Analysis Note
This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO Guide 34. This CRM is traceable to NIST SRM.
General description
Certified content by quantitative NMR incl. uncertainty and expiry are given in 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
Protocols & Applications
Certified Standards for Quantitative 1H-NMR (qNMR)
This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO Guide 34. This CRM is traceable to NIST SRM.
General description
Certified content by quantitative NMR incl. uncertainty and expiry are given in 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
Protocols & Applications
Certified Standards for Quantitative 1H-NMR (qNMR)
Molecular Spectra
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References
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