Molekula
DL-Lactic acid EP Grade
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
DL-Lactic acid EP Grade is a chiral organic acid (50-21-5) widely used in pharmaceuticals, food additives, and biodegradable polymers. It also serves as an acidulant and solvent in formulations, and is applied in cosmetics, metal plating, leather tanning and textile processing. It meets European Pharmacopoeia (EP) standards for purity and consistency in critical applications. Molecular formula CH3CH(OH)COOH, molecular weight 90.08 g/mol, stored at ambient conditions. Signal word: Danger. Molekula supplies DL-Lactic acid EP Grade from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | A colourless or slightly yellow, viscous liquid, almost odourless; hygroscopic. |
| Refractive Index | 1.426 - 1.436 |
| Heavy metals | ≤10ppm |
| Identification | A.) Warm 1g with 0.1g of potassium permanganate; acetaldehyde is evolved. B.) Gives reaction A of lactates. C.) A 10 per cent w/v solution is strongly acidic. |
| Solubility | Miscible in all proportions with water, with ethanol 95% and with Ether. |
| Optical Rotation | -0.05° and +0.05° |
| Sulphated Ash | ≤0.1% |
| Methanol | ≤50ppm |
| Reducing Sugar | ≤1.0% |
| Appearance of Solution | The substance under examination is not more intensely coloured than reference solution YS6 |
| Total Aerobic Count | ≤1000ufc/ml |
| Staphylococcus aureus | Absent in 1 ML |
| Assay (Titration) | 89.0% - 91.0% |
| Bacterial endotoxins | ≤5IU/g |
| Citric, Oxalic and Phosphoric acids | Both before and after heating, any opalescence in the solution is not more intense than that in a mixture of 5ml of the test solution and 1ml of water. |
| Calcium (Ca) | ≤200ppm |
| E. Coli | Absent in 1 ML |
| Sulphates (SO4)(2-) | ≤200ppm |
| p.aeruginosa | Absent in 1 ML |
| Specific gravity (25 ºC) | 1.172 - 1.210 |
| Ether-insoluble substances | The solution is not more opalescent than the solvent used for the test |
| Total aerobic count (Fungal & yeast) | ≤100ufc/ml |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | III |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Odour | Available forms have very slightly acrid odor |
| Melting Point | 16.8 °C |
| Boiling Point | 122 °C at 1.50E+01 mm Hg |
| Density | 1.2 (relative, water = 1) |
| Water Solubility | Miscible with water |
| Vapour Pressure | 0.0813 mmHg at 25 °C |
| Refractive Index | 1.4392 |
| pKa | pKa = 3.86 (at 20 °C) |
| log P (octanol/water) | -0.72 |
Source: PubChem CID 612 (HSDB, DrugBank, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 90037668 |
| CAS Number | 50-21-5 |
| IUPAC Name | 2-hydroxypropanoic acid |
| EC Number | 200-018-0 |
| Molecular Formula | CH3CH(OH)COOH |
| Molecular Weight | 90.08 |
| Exact Mass | 90.0317 |
| SMILES | CC(C(=O)O)O |
| InChIKey | JVTAAEKCZFNVCJ-UHFFFAOYSA-N |
| InChI | InChI=1S/C3H6O3/c1-2(4)3(5)6/h2,4H,1H3,(H,5,6) |
| PubChem CID | 612 |
| UN Number | UN3265 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2918.11.1000 |
| Tariff Code | 2918110080 |
Safety & GHS
-
Corrosive
GHS05
Hazard statements
- EUH071 Corrosive to the respiratory tract
- H290 May be corrosive to metals
- H303 May be harmful if swallowed
- H314 (sub cat. 1C) Causes severe skin burns and eye damage
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P333+313 IF skin irritation or a rash occurs: Get medical advice/attention
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, English (US), 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.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is DL-Lactic acid EP Grade used for?
DL-Lactic acid EP Grade is primarily used in pharmaceutical formulations, as a pH adjuster, and in the production of lactates for medical applications.
What is the chemical formula and molecular weight of DL-Lactic acid EP Grade?
The chemical formula is **CH₃CH(OH)COOH** and the molecular weight is **90.08 g/mol**.
How should DL-Lactic acid EP Grade be stored?
Store at **ambient temperature** in a cool, dry place, away from incompatible substances.
What grade of DL-Lactic acid does Molekula supply?
Molekula supplies **DL-Lactic acid EP (European Pharmacopoeia) Grade**, meeting strict purity standards for pharmaceutical use.
Can Molekula supply DL-Lactic acid in bulk quantities?
Yes, Molekula can supply DL-Lactic acid EP Grade in **bulk quantities**—contact us for specific packaging and volume options.
What documentation comes with an order of DL-Lactic acid EP Grade?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
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.