What Is Hartmann’s Solution? A Guide to Compound Sodium Lactate in Australia

Hartmann’s solution is one of the most familiar names in IV fluid procurement, but buyers often encounter several different labels for what appears to be the same product: Compound Sodium Lactate, Hartmann’s Solution and, in some references, Ringer’s Lactate. That can make ordering more confusing than it needs to be, particularly when the same fluid is available in different brands, bag or bottle formats, and 500mL or 1000mL sizes.

This guide explains what compound sodium lactate contains, how the naming works in Australia, how it differs from 0.9% sodium chloride, and what healthcare buyers should check before adding Hartmann’s solution to an IV fluid order. It is written for procurement and general education rather than clinical prescribing. Always follow the approved product information, clinician direction and your facility’s local policies.

What is compound sodium lactate (Hartmann’s solution)?

Compound Sodium Lactate is a sterile IV crystalloid solution containing several electrolytes rather than sodium chloride alone. In Australian product information, Hartmann’s Solution contains sodium chloride, sodium lactate, potassium chloride and calcium chloride. The Therapeutic Goods Administration (TGA) lists these ingredients for registered Hartmann’s products from suppliers including Fresenius Kabi and B. Braun.

The Australian Product Information for Fresenius Kabi Compound Sodium Lactate states that the solution is also known as Ringer’s Lactate. That makes Hartmann’s, compound sodium lactate and Ringer’s Lactate closely related search terms for Australian buyers, although naming and formulations can vary internationally. For purchasing, always compare the exact label, composition, volume and ARTG details rather than relying on the name alone.

What does Hartmann’s solution contain?

The following composition is taken from the Australian Product Information for Fresenius Kabi Compound Sodium Lactate (Hartmann’s Solution). It is useful as a reference for understanding what buyers mean when they search for “Hartmann’s contents”, “Hartmann’s sodium” or “sodium in Hartmann’s”.

Electrolytes per litre in that formulation: sodium 131 mmol, potassium 5 mmol, chloride 112 mmol, calcium 2 mmol and bicarbonate (as lactate) 28 mmol. The product information describes the solution as isotonic, sterile and non-pyrogenic.

Is compound sodium lactate the same as Hartmann’s solution?

In the Australian market, yes: products are commonly registered and sold as “Compound Sodium Lactate (Hartmann’s Solution)”. IV Solution Store currently lists B. Braun, Viaflex/Baxter and Fresenius Kabi Hartmann’s products using this terminology. The practical point for procurement is to match the fluid type first, then confirm the brand, container format and volume required by your facility.

Examples currently listed on IV Solution Store include B. Braun Compound Sodium Lactate IV BP/EP 500mL, B. Braun Compound Sodium Lactate 1000mL, Viaflex Hartmann’s in 500mL and 1000mL and Fresenius Kabi Hartmann’s 500mL.

Hartmann’s solution vs 0.9% sodium chloride

Hartmann’s solution and 0.9% sodium chloride are both common IV fluids, but they are not the same formulation. A 0.9% sodium chloride infusion is fundamentally a sodium chloride solution, whereas Hartmann’s contains sodium chloride plus lactate, potassium and calcium. Because the compositions differ, procurement teams should not treat one as an automatic substitute for the other. Clinical selection and substitution decisions belong with the prescriber, pharmacist or facility protocol.

For buyers comparing the two ranges, IV Solution Store also stocks B. Braun Sodium Chloride 0.9% 500mL and the wider IV Fluids & Injections collection. Keeping Hartmann’s and saline clearly separated in the storeroom can help reduce selection mistakes when both are stocked in similar container sizes.

500mL or 1000mL: which Hartmann’s size should buyers stock?

There is no single size that suits every facility. The best mix depends on your service profile, ordering history and local clinical protocols. The 500mL format is useful where smaller-volume stock is routinely required, while 1000mL is a common larger-volume format. Fresenius Kabi’s Australian product information also lists a 250mL presentation, although the sizes available from any individual supplier can change over time.

If your team regularly searches for “Hartmann 500mL”, “Hartmann’s 500mL” or “compound sodium lactate 500mL”, a practical approach is to standardise one core 500mL line and one 1000mL line where required, then keep alternative brands documented for supply interruptions. This reduces the number of near-identical SKUs staff have to identify while still giving procurement a backup option.

Bag and bottle format: what procurement teams should compare

Two Hartmann’s products can contain the same fluid type but arrive in quite different containers. B. Braun’s Ecoflac Plus products use a collapsible bottle format with the company’s Twincap port system, while Viaflex is a flexible bag format. These differences can affect storage density, handling, port familiarity and compatibility with your existing workflow.

A simple Hartmann’s stock-planning approach

For routine stockholding, begin with actual usage rather than a generic target. Review recent consumption by volume and brand, then set a par level that reflects your delivery lead time. A clinic that receives frequent local deliveries may need less safety stock than a regional site or a service with highly variable demand.

Keep separate reorder points for 500mL and 1000mL lines, and review expiry dates when goods arrive rather than only during annual stocktake. If more than one Hartmann’s brand is approved for your facility, document the preferred product and the approved alternative so purchasing staff do not have to make a clinical substitution decision themselves during a shortage.

What else is commonly ordered with IV fluids?

IV fluid procurement rarely stops at the bag or bottle. Treatment areas also need compatible infusion sets, syringes, needles, skin-prep and line-care products. Keeping these categories linked in your ordering process can make restocking faster and reduce situations where the fluid is available but a supporting consumable is missing.

Related ranges: Infusion Sets  |  Syringes  |  Antiseptics & Skin Prep  |  PolyFlush 10mL Pre-filled 0.9% Sodium Chloride

Frequently asked questions

1. What is compound sodium lactate?
Compound sodium lactate is a sterile electrolyte solution for intravenous infusion. Australian Hartmann’s product information lists sodium chloride, sodium lactate, potassium chloride and calcium chloride as the active ingredients.

2. Is compound sodium lactate Hartmann’s solution?
In Australian product registrations and IV Solution Store listings, compound sodium lactate is commonly identified as Hartmann’s Solution.

3. Is Hartmann’s the same as Lactated Ringer’s?
Fresenius Kabi’s Australian Product Information states that Compound Sodium Lactate (Hartmann’s Solution) is also known as Ringer’s Lactate. Naming and exact formulations can vary internationally, so buyers should confirm the product label rather than assume every similarly named fluid is identical.

4. How much sodium is in Hartmann’s solution?
The Fresenius Kabi Australian formulation contains 131 mmol of sodium per litre. Always check the approved product information for the exact brand being purchased.

5. Can I buy Hartmann’s solution online in Australia?
IV Solution Store lists Hartmann’s / compound sodium lactate products for Australian healthcare buyers, including B. Braun, Viaflex and Fresenius Kabi options. Purchasing and use should comply with applicable law, product requirements and facility policy.

6. What sizes of Hartmann’s solution are available?
Common Australian presentations include 500mL and 1000mL, with some products also registered in 250mL. Availability varies by supplier and stock status.

Shop Hartmann’s solution and IV fluids online

IV Solution Store supplies IV fluids and related infusion consumables to Australian healthcare buyers. The current range includes compound sodium lactate (Hartmann’s), 0.9% sodium chloride, infusion sets, syringes, needles and skin-prep products.

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