Molekula
L-(+)-Lactic acid sodium salt
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
L-(+)-Lactic acid sodium salt is a sodium salt of L-(+)-lactic acid used in biochemical research, cell culture media, and pharmaceutical formulations. It is also used as an antimicrobial preservative in cosmetic and food formulations, and as a processing aid in manufacturing. It functions as a pH buffer and metabolic intermediate. Available with CAS number 867-56-1, molecular formula C3H5NaO3, and molecular weight 112.06 g/mol. Store at 2 to 8 °C. No signal word assigned.
Molekula supplies L-(+)-Lactic acid sodium salt at ≥60% purity in 10 g and 25 g packs, from £66.00 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 6 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
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.
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10 g — £55.00 per pack ex VAT · £66.00 inc. VAT
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25 g — £103.30 per pack ex VAT · £123.96 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Off white / White powder |
| Heavy metals | ≤0.001% |
| Identification | Conforms to reference |
| pH | 5.0-9.0 |
| Chloride (Cl-) | ≤0.035% |
| Solubility | Miscible with water and with alcohol |
| Assay | ≥60% |
| Methanol / Methyl esters | ≤0.025% |
| Sulphates (SO4)(2-) | Passes test |
| Limit of Citrate,Oxalate, Phosphate or Tartrate | Passes test |
| Identification A and B | Lactates and sodium reactivities |
| Stereochemical purity (L-isomer) | ≥95% |
| Sugar | Passes test |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 25860279 |
| CAS Number | 867-56-1 |
| IUPAC Name | sodium (2S)-2-hydroxypropanoate |
| EC Number | 212-762-3 |
| Molecular Formula | C3H5NaO3 |
| Molecular Weight | 112.06 |
| Exact Mass | 112.0136 |
| SMILES | C[C@@H](C(=O)[O-])O.[Na+] |
| InChIKey | NGSFWBMYFKHRBD-DKWTVANSSA-M |
| InChI | InChI=1S/C3H6O3.Na/c1-2(4)3(5)6;/h2,4H,1H3,(H,5,6);/q;+1/p-1/t2-;/m0./s1 |
| PubChem CID | 23664767 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| Tariff Code | 29181100 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- (S)-2-Hydroxypropanoic acid monosodium salt
- (S)-2-Hydroxypropionic acid sodium salt
- Propanoic acid, 2-hydroxy-, monosodium salt, (2S)-
- sodium (S)-2-hydroxypropanoate
- Sodium (S)-lactate
- Sodium L-lactate
- SODIUM LACTATE, (S)-
- Sodium lactate, l-
- SODIUM LACTATE, L-(II)
- sodium;(2S)-2-hydroxypropanoate
Frequently asked questions
What is L-(+)-Lactic acid sodium salt used for?
It is commonly used as a pH adjuster and buffer in pharmaceuticals, cosmetics, and food products.
What is the chemical formula and molecular weight?
The formula is C3H5NaO3 with a molecular weight of 112.06 g/mol.
How should L-(+)-Lactic acid sodium salt be stored?
Store at 2 to 8 °C to maintain stability and prevent degradation.
What grade is available for this product?
The product is supplied to a specification including assay ≥60% and stereochemical purity (L-isomer) ≥95%; custom grades may be available upon request.
Can Molekula supply this in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA); additional documentation such as SDS is available upon request.
Where can I buy L-(+)-Lactic acid sodium salt?
Directly from Molekula, which lists L-(+)-Lactic acid sodium salt in 10 g and 25 g packs from £66.00 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.