Maleic acid sodium salt
Maleic acid sodium salt (CAS: 3105-55-3, C4H3O4Na) is a biochemical and reagent supplied by Tech Serve Solutions. With a molecular weight of 138.05 g/mol and an assay of ≥99%, this dicarboxylic acid derivative finds utility in laboratory research and chemical synthesis. Its soluble nature in water (1 M at 20 °C) makes it a convenient reagent for aqueous applications.
- IUPAC
- cis-Butenedioic acid,Toxilic acid
- Synonyms
- cis-Butenedioic acid,Toxilic acid

Laboratory Reagent
Maleic acid sodium salt serves as a valuable reagent in various laboratory procedures and research applications. Its well-defined purity makes it suitable for studies requiring precise chemical inputs.
Chemical Synthesis Intermediate
This compound can be employed as an intermediate in the synthesis of more complex organic molecules. Its functional groups allow for diverse chemical transformations in multi-step synthetic pathways.
Biochemical Research
As a biochemical, it may be utilized in studies related to metabolic pathways or enzyme activity where maleate or related structures are involved. Its use supports advancements in biological sciences.
| Molecular weight | 138.05 |
|---|---|
| Linear formula | C4H3O4Na |
| Assay | ≥99% |
| Solubility | H2O: soluble1 M at 20 °C, clear, colorless |
| Impurities tested | <0.1% Insoluble matter |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
| Cation traces | Al: Ca: Cu: Fe: K: Mg: NH4+: Pb: Zn: <0.0005% |
| Anion traces | chloride (Cl-): sulfate (SO42-): <0.05% |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Maleic acid sodium salt used for?
+
Maleic acid sodium salt is primarily used as a laboratory reagent and an intermediate in chemical synthesis, with applications in biochemical research.
What is the CAS number and chemical formula for Maleic acid sodium salt?
+
The CAS number is 3105-55-3 and the chemical formula is C4H3O4Na.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Maleic acid sodium salt with an assay of ≥99%. This is considered a technical/research grade, and TSS does not represent it as USP, BP, or EP grade unless explicitly stated.
What are the safety and handling requirements for Maleic acid sodium salt?
+
Maleic acid sodium salt is classified with GHS07 symbol and a Warning signal word. It carries hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, should be used. Handle in a well-ventilated area.
How is Maleic acid sodium salt packed, shipped, and exported?
+
Tech Serve Solutions packs, ships, and exports chemicals in compliance with international regulations to ensure safe and secure delivery to our global clientele.
How can I request a quote or sample for Maleic acid sodium salt?
+
To request a quote or sample, please contact our sales team through the website or directly via email or phone. Please specify the product name and CAS number (3105-55-3).
▶ Related products
![(±)-(E)-4-Ethyl-2-[(E)-hydroxyimino]-5-nitro-3-hexenamide (C8H13N3O4) — chemical structure, CAS 138472-01-2; Biochemicals & Reagents, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F138472-01-2.png&w=3840&q=75)
(±)-(E)-4-Ethyl-2-[(E)-hydroxyimino]-5-nitro-3-hexenamide
C8H13N3O4
Biochemicals & Reagents![(±)-(E)-4-Ethyl-2-[(Z)-hydroxyimino]-5-nitro-3-hexen-1-yl-nicotinamide (C14H18N4O4) — chemical structure, CAS 162626-99-5; Biochemicals & Reagents, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F162626-99-5.png&w=3840&q=75)
(±)-(E)-4-Ethyl-2-[(Z)-hydroxyimino]-5-nitro-3-hexen-1-yl-nicotinamide
C14H18N4O4
Biochemicals & Reagents
(±)-2,5-Dimethoxy-4-bromoamphetamine hydrobromide
Biochemicals & Reagents

(±)-2-(p-Methoxyphenoxy)propionic acid
C10H12O4
Biochemicals & Reagents
(±)-2-Amino-6,7-dihydroxy-1,2,3,4-tetrahydronaphthalene hydrobromide
C10H13NO2·HBr
Biochemicals & Reagents
(±)-2-Hydroxydecanoic acid
C10H20O3
Biochemicals & Reagents
(±)-3-Hydroxydecanoic acid
C10H20O3
Biochemicals & Reagents
(±)-3-Hydroxyoctanoic acid
C8H16O3
Biochemicals & Reagents▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis