Stearic Acid

Name: Stearic Acid
Brand: Vaqora Chemicals
SKU: VQ-008633

About Stearic Acid

Vaqora Chemicals supplies Stearic Acid, a carboxylic acid registered under CAS number 57-11-4. Its molecular formula is C18H36O2 and its molecular weight is 284.5 g/mol. Its systematic (IUPAC) name is octadecanoic acid. Common synonyms include 1-Heptadecanecarboxylic acid and 1-Octadecanoic acid.

Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Stearic Acid in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Custom pack sizes, bulk quantities and specific analytical data can be arranged on request.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Stearic Acid
Catalogue No.	VQ-008633
CAS Number	57-11-4
IUPAC name	octadecanoic acid
Molecular formula	C₁₈H₃₆O₂
Molecular weight	284.5 g/mol
Exact mass	284.2715
Grade	Reference Standard
InChIKey	QIQXTHQIDYTFRH-UHFFFAOYSA-N
SMILES	CCCCCCCCCCCCCCCCCC(=O)O
PubChem CID	5281

Physical properties
Physical form	Other
LogP (XLogP3)	7.4
H-bond donors / acceptors	1 / 2
TPSA	37.3 Å²
Synonyms	1-Heptadecanecarboxylic acid, 1-Octadecanoic acid, Cetylacetic Acid, Stearophanic Acid, n-Octadecanoic acid, Stearex Beads, Pearl stearic, Industrene R, Vanicol, Hydrofol Acid 150, Century 1240, Glycon DP

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation

Precautionary statements: P264, P280, P302 + P352, P321, P332 + P317, P362 + P364

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 57-11-4

AR

Stearic Acid, ≥98.0%

CAS: 57-11-4
Formula: C₁₈H₃₆O₂
MW: 284.5 g/mol

VQ-045715

Synthesis

Stearic acid, 98%

CAS: 57-11-4
Formula: C₁₈H₃₆O₂
MW: 284.5 g/mol

VQ-019353

Cell Culture

Stearic Acid, cell culture tested

CAS: 57-11-4
Formula: C₁₈H₃₆O₂
MW: 284.5 g/mol

VQ-046202

Biochemistry

Stearic acid, for biochemistry, 99%

CAS: 57-11-4
Formula: C₁₈H₃₆O₂
MW: 284.5 g/mol

VQ-008634

Stearic acid, reference material

CAS: 57-11-4
Formula: C₁₈H₃₆O₂
MW: 284.5 g/mol

VQ-008635

Frequently asked questions

What is the CAS number of Stearic Acid?

The CAS Registry Number of Stearic Acid is 57-11-4. It is also known as 1-Heptadecanecarboxylic acid, 1-Octadecanoic acid, Cetylacetic Acid.

What is the molecular formula and molecular weight of Stearic Acid?

Stearic Acid has the molecular formula C18H36O2 and a molecular weight of 284.5 g/mol. Its IUPAC name is octadecanoic acid.

Which grade and pack sizes of Stearic Acid can I order?

We supply Stearic Acid in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Stearic Acid?

Yes. Every lot of Stearic Acid is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Stearic Acid be shipped internationally?

Yes. Stearic Acid is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.