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Key Documents

M9138

Sigma-Aldrich

L-(−)-Malic acid disodium salt

≥95% (titration)

Synonym(s):

L-Hydroxybutanedioic acid

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About This Item

Linear Formula:
C4H4O5Na2
CAS Number:
Molecular Weight:
178.05
EC Number:
MDL number:
UNSPSC Code:
12352001
PubChem Substance ID:
NACRES:
NA.22

Assay

≥95% (titration)

form

powder

SMILES string

[Na].O[C@@H](CC(O)=O)C(O)=O

InChI

1S/C4H6O5.2Na/c5-2(4(8)9)1-3(6)7;;/h2,5H,1H2,(H,6,7)(H,8,9);;/q;2*+1/p-2/t2-;;/m0../s1

InChI key

WPUMTJGUQUYPIV-JIZZDEOASA-L

Application

L-(−)-Malic acid disodium salt is a disodium salt of L-malic acid that is used as a resolving agent to separate enantiomers of certain racemic compounds. It is also used as a chiral auxiliary in organic synthesis for the preparation of a wide range of organic compounds.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Duoduo Chen et al.
Molecular microbiology, 87(6), 1237-1244 (2013-01-26)
Nicotine is an environmental toxicant in tobacco waste, imposing a serious hazard for human health. Some bacteria including Pseudomonas spp. strains are able to metabolize nicotine to non-toxic compounds. The pyrrolidine pathway of nicotine degradation in Pseudomonas putida S16 has
Cuiyue Liang et al.
Plant physiology, 161(3), 1347-1361 (2013-01-24)
Low pH, aluminum (Al) toxicity, and low phosphorus (P) often coexist and are heterogeneously distributed in acid soils. To date, the underlying mechanisms of crop adaptation to these multiple factors on acid soils remain poorly understood. In this study, we
E González-Fandos et al.
Poultry science, 92(7), 1936-1941 (2013-06-19)
This work evaluated the effect of malic acid washing on the growth of Listeria monocytogenes on poultry legs stored at 4°C for 8 d. Fresh inoculated chicken legs were dipped into a 1 or 2% malic acid solution (vol/vol) for
Euan Burton et al.
Canadian journal of microbiology, 58(12), 1378-1388 (2012-12-06)
Clostridium thermocellum is a Gram-positive thermophilic anaerobic bacterium with the ability to directly convert cellulosic biomass into useful products such as ethanol and hydrogen. In this study, a quantitative comparative proteomic analysis of the organism was performed to identify proteins
A Ruhal et al.
Cellular and molecular biology (Noisy-le-Grand, France), 58(1), 15-20 (2013-01-01)
An amperometric malic acid biosensor was developed by immobilizing malate dehydrogenase on multi-walled carbon nanotubes (MWCNT) coated on screen printed carbon electrode. The screen printed carbon electrode is made up of three electrodes viz., carbon as working, platinum as counter

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