Molekula

Lactic Acid

SKU 90037607 CAS 50-21-5 Available on enquiry

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Certificate of Analysis with every batch

Lactic acid is a versatile organic acid widely used in the food, pharmaceutical, and cosmetic industries as a preservative, pH regulator, and humectant. Industrial buyers also use it for leather tanning, textile printing and dyeing, metal plating, and as a plant growth regulator in agriculture. This product is identified by CAS number 50-21-5 and carries no signal word. Molekula supplies Lactic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.

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Overview

SKU: 90037607
CAS Number: 50-21-5
IUPAC Name: 2-hydroxypropanoic acid
EC Number: 200-018-0
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

Synonyms

2-hydroxypropanoic acid
2-hydroxypropionic acid
Acidum lacticum
DL-Lactic acid
Ethylidenelactic acid
Lactovagan
Milk acid
Ordinary lactic acid
Racemic lactic acid
Tonsillosan

Literature values

Published physical properties of the substance, not batch specifications.

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)

See all 3 other grades of CAS 50-21-5 →

Frequently asked questions

What is Lactic Acid used for?

Lactic acid is commonly used as a pH regulator, flavoring agent, and preservative in the food, pharmaceutical, and cosmetic industries.

What is the chemical formula and molecular weight of Lactic Acid?

The chemical formula for Lactic Acid (CAS 50-21-5) is C3H6O3, and it has a molecular weight of 90.08 g/mol.

How should Lactic Acid be stored?

It should be stored in a cool, dry place in a tightly closed container, away from incompatible substances.

What grade of Lactic Acid is available?

Please contact our sales team or check the product page on our website for the specific grades currently in stock.

Can Molekula supply Lactic Acid in bulk?

Yes, Molekula can supply Lactic Acid in various quantities, ranging from laboratory scale to bulk industrial volumes.

What documentation comes with the order?

Every order is supplied with a Certificate of Analysis (CoA) and a Safety Data Sheet (SDS) to ensure full regulatory compliance.

Related products

Molekula has supplied fine chemicals and biochemicals since 1999, and its facilities are ISO 9001:2015 and ISO 14001:2015 certified. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.