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About This Item
Quality Level
description
qNMR Standard for D2O and organic solvents (6.2 ppm)
grade
certified reference material, TraceCERT®
shelf life
limited shelf life, expiry date on the label
manufacturer/tradename
Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
technique(s)
gas chromatography (GC): 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
pharmaceutical
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
General description
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.
Application
Features and Benefits
- 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
Other Notes
Suitable NMR solvents: D2O, MeOD, DMSO-d6
Legal Information
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signalword
Danger
target_organs
Respiratory system
Storage Class
8A - Combustible corrosive hazardous materials
wgk
WGK 1
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 3
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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Articles
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.
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ChemisTwin可自动判读NMR结果,使用电子参考材料进行结构确认和定量NMR测量,从而节省时间。
ChemisTwin automates NMR result interpretation, saving time with structure confirmation and quantitative NMR measurements using electronic Reference Materials.
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 92816-1G | 04061833270387 |

