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Trisodium citrate pentahydrate

Also known as: Sodium citrate pentahydrate, Tri-sodium citrate 5,5-hydrate, Citric acid trisodium salt hydrate, Trisodium citrate 5-hydrate, Citric acid trisodium salt pentahydrate, Sodium citrate tribasic hydrate, Trisodium 2-hydroxypropane-1,2,3-tricarboxylate pentahydrate, Citronensaeure,Trinatrium-Salz-Pentahydrat, Citronensaeure,Trinatriumcitrat, EINECS 200-675-3, MFCD00150032

Trisodium citrate pentahydrate (CAS 6858-44-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H7Na3O8 and a molecular weight of 276.08400 g/mol. Key properties include a melting point of 300ºC, a boiling point of 309.6ºC at 760 mmHg, a density of 1.857 and a flash point of 155.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6858-44-2
Jingsj CID
J-897188-8
Molecular Formula
C6H7Na3O8
Molecular Weight
276.08400 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point300ºC
Boiling Point309.6ºC at 760 mmHg
Density1.857
Flash Point155.2ºC
Exact Mass275.98300
PSA149.85000
Additional Propertyg/100mL H2O: 92.6 (25°C), 250 (100°C); slightly soluble alcohol, insoluble ether [KIR78]

Frequently Asked Questions

What is the CAS number of Trisodium citrate pentahydrate?

The CAS number of Trisodium citrate pentahydrate is 6858-44-2.

What are the molecular formula and molecular weight of Trisodium citrate pentahydrate?

Trisodium citrate pentahydrate has molecular formula C6H7Na3O8 and molecular weight 276.08400 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Trisodium citrate pentahydrate (CAS 6858-44-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-897188-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.