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Molekula

Molekula

Tri Sodium citrate dihydrate

SKU 32357040 CAS 6132-04-3 C6H5Na3O7 · 2H2O MW 294.10 In stock (5+ packs) — same-day dispatch Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

Tri Sodium citrate dihydrate is a water-soluble salt used as a chelating agent, buffer, and anticoagulant in pharmaceuticals, food, and laboratory applications. It appears as a white crystalline powder with a molecular weight of 294.10 g/mol, a molecular formula of C6H5Na3O7 · 2H2O, and a CAS number of 6132-04-3. It is stable at ambient storage conditions and carries no signal word. Molekula supplies Tri Sodium citrate dihydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

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Pricing & pack sizes

Pack sizes & pricing

These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.

Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.

  • 1 g — $41.80 per pack
  • 1 kg — $88.70 per pack

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Specifications

Property Value
Appearance White crystalline powder
Water ≤ 13.0%
Heavy metals ≤ 10ppm
Identification Conforms to reference
Chloride (Cl-) ≤ 50ppm
Content ≥ 99.0%
Sulphates (SO4)(2-) ≤ 150ppm
Oxalate (Oxalic acid) ≤ 300ppm

Storage & handling

Property Value
Storage Temperature Ambient
Acidity Neutral

Identification

Property Value
SKU 32357040
CAS Number 6132-04-3
IUPAC Name trisodium;2-hydroxypropane-1,2,3-tricarboxylate;dihydrate
Molecular Formula C6H5Na3O7 · 2H2O
Molecular Weight 294.10
Exact Mass 293.994
SMILES C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.O.O.[Na+].[Na+].[Na+]
InChIKey NLJMYIDDQXHKNR-UHFFFAOYSA-K
InChI InChI=1S/C6H8O7.3Na.2H2O/c7-3(8)1-6(13,5(11)12)2-4(9)10;;;;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;;2*1H2/q;3*+1;;/p-3
PubChem CID 71474
REACH Code Y113
HTS Code 2918.15.1000
Tariff Code 2918150019

Safety & GHS

Detailed safety information available in the SDS — see Documents below.

Documents

Safety Data Sheets (SDS)

Available in English, French, German, Italian, Spanish.

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

  • Anticoagulant Sodium Citrate
  • Citric acid, trisodium salt, dihydrate
  • Emetrol Chewables Orange
  • Emetrol Powder
  • Natrii citras, dehydrate
  • Nauzene
  • Sodium citrate dihydrate
  • Sodium citrate hydrate
  • Sodium citrate hydrous
  • Tricitrasol

Frequently asked questions

What is tri sodium citrate dihydrate used for?

It is commonly used as a chelating agent, buffer, and preservative in food, pharmaceuticals, and laboratory applications.

What is the chemical formula and molecular weight of tri sodium citrate dihydrate?

The formula is C6H5Na3O7 · 2H2O with a molecular weight of 294.10 g/mol.

How should tri sodium citrate dihydrate be stored?

It should be stored at ambient temperature, protected from moisture and contamination.

What grade is available for tri sodium citrate dihydrate?

Available in laboratory grade; other grades may be available upon request.

Can Molekula supply tri sodium citrate dihydrate in bulk?

Yes, bulk quantities are available—please contact our sales team for pricing and availability.

What documentation comes with an order of tri sodium citrate dihydrate?

Each order includes a Certificate of Analysis (CoA); additional documentation such as SDS is available upon request.

Ready to order or need a custom pack?

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