Sodium citrate tribasic hydrate
Sodium citrate tribasic hydrate (CAS: 6858-44-2) is a hydrated salt of citric acid, chemically represented by HOC(COONa)(CH₂COONa)₂ · aq with a molar mass of 258.07 g/mol (anhydrous basis). This highly pure ReagentPlus® grade compound is widely utilized as a laboratory reagent, buffer, and in various analytical applications due to its excellent buffering capacity and chelating properties. Its controlled purity ensures reliable results in research and quality control processes.
- IUPAC
- Citric acid trisodium salt,Trisodium citrate hydrate
- Synonyms
- Citric acid trisodium salt,Trisodium citrate hydrate
Analytical Reagent
Used as a general analytical reagent in laboratories for various chemical analyses and testing procedures. Its defined purity and buffering capabilities make it suitable for titrations and sample preparation.
Buffer Solution Preparation
Sodium citrate is an effective buffering agent, commonly used to maintain stable pH levels in biochemical and chemical experiments. It is ideal for preparing buffer solutions within a specific pH range.
Chromatography Applications
Applied in chromatography as a component of mobile phases or for sample pretreatment. Its chelating properties can aid in separating and analyzing various chemical species.
Research and Development
Essential chemical for research laboratories involved in developing new analytical methods, chemical syntheses, or studying chemical reactions. Its reliable specifications support reproducible experimental outcomes.
| Molecular weight | 258.07 (anhydrous basis) |
|---|---|
| Linear formula | HOC(COONa)(CH2COONa)2 · aq |
| Assay | ≥99% |
| Grade | ReagentPlus® |
| Impurities tested | ≤0.001% heavy metals (as Pb)≤0.04% free alkali (as NaOH)≤0.06% free acid (as C6H8O7) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Cation traces | As: ≤2 mg/kgFe: ≤10 mg/kg |
| Anion traces | chloride (Cl-): ≤20 mg/kgsulfate (SO42-): ≤50 mg/kg |
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 Sodium citrate tribasic hydrate used for?
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Sodium citrate tribasic hydrate (CAS: 6858-44-2) is primarily used as a laboratory reagent, for preparing buffer solutions, in analytical and chromatography applications, and in research and development.
What is the CAS number and formula for Sodium citrate tribasic hydrate?
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The CAS number is 6858-44-2. The linear formula is HOC(COONa)(CH₂COONa)₂ · aq.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sodium citrate tribasic hydrate in ReagentPlus® grade with an assay of ≥99%. Impurities include ≤0.001% heavy metals (as Pb), ≤0.04% free alkali (as NaOH), and ≤0.06% free acid (as C6H8O7).
What are the safety and handling precautions for Sodium citrate tribasic hydrate?
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Handle with appropriate personal protective equipment including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Ensure good ventilation.
Is Sodium citrate tribasic hydrate a controlled substance?
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The provided data does not indicate that Sodium citrate tribasic hydrate is a controlled substance.
How is Sodium citrate tribasic hydrate packed and shipped?
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Tech Serve Solutions exports fine chemicals globally, ensuring appropriate packaging for safe transport and compliance with international shipping regulations.
How can I request a quote or sample for Sodium citrate tribasic hydrate?
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Please contact our sales team or use the online form on our website to request a quote or a sample of Sodium citrate tribasic hydrate.
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