Molekula
DL-Lactic acid ACS reagent
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 ACS reagent is a chiral organic acid used in biochemical research, pharmaceuticals, and industrial processes. It is a racemic mixture of L- and D-lactic acid, commonly employed as a pH adjuster, metabolic intermediate, and precursor in polymer synthesis. Documented industrial applications include serving as an acidulant and solvent in food, drug and dye production, and use in leather tanning, textile printing, metal plating and cosmetics. Available in high purity with CAS number 50-21-5, molecular formula C3H6O3, and molecular weight 90.08 g/mol. Stored at ambient temperature. Hazard symbol: Danger. Molekula supplies DL-Lactic acid ACS reagent 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
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.
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100 g — £30.90 per pack ex VAT · £37.08 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | Colourless to light yellow liquid |
| Heavy metals | 5ppm max |
| Assay | 85 - 90% |
| Residue on Ignition | 0.02% max |
| Iron (Fe) | 5ppm max |
| Sulphates (SO4)(2-) | 0.002% max |
| Chlorine (Cl) | 0.001% max |
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 | 29567910 |
| 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
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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 ACS reagent used for?
It is used in biochemical research, as a reagent in synthesis, and in the production of biodegradable polymers like polylactic acid (PLA).
What is the chemical formula and molecular weight of DL-Lactic acid ACS reagent?
The formula is CH3CH(OH)COOH and the molecular weight is 90.08 g/mol.
How should DL-Lactic acid ACS reagent be stored?
Store at ambient temperature, away from moisture and direct sunlight.
What grade of DL-Lactic acid ACS reagent is available?
Available in ACS reagent grade, suitable for laboratory use and analytical applications.
Can Molekula supply DL-Lactic acid ACS reagent in bulk?
Yes, Molekula can supply bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of DL-Lactic acid ACS reagent?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.