Stearic anhydride, 97%

Name: Stearic anhydride, 97%
Brand: Vaqora Chemicals
SKU: VQ-003036

About Stearic anhydride, 97%

Listed under CAS 638-08-4, Stearic anhydride is a lipid available from Vaqora Chemicals (Synthesis grade) at a purity of 97%. The compound has the formula C36H70O3, corresponding to a molecular weight of 550.9 g/mol. Systematically, it is named octadecanoyl octadecanoate. Common synonyms include Octadecanoic anhydride and Stearic acid anhydride.

It is supplied as a white to pale yellow-beige flakes or powder. Literature values give a melting point of 70-72 °C. Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Typical applications include lipid research, membrane and liposome studies and nutritional research. It is used across academic and industrial research and diagnostics and biotechnology.

Available in 5 g, 25 g, 100 g and 250 g packs, Stearic anhydride is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Lipid research
Membrane & liposome studies
Nutritional research

Industries

Specifications & identifiers

Chemical identifiers
Product name	Stearic anhydride, 97%
Catalogue No.	VQ-003036
CAS Number	638-08-4
IUPAC name	octadecanoyl octadecanoate
Molecular formula	C₃₆H₇₀O₃
Molecular weight	550.9 g/mol
Exact mass	550.5325
Grade	Synthesis
Purity / assay	97%
HSN code	29157090
InChIKey	WVJVHUWVQNLPCR-UHFFFAOYSA-N
SMILES	CCCCCCCCCCCCCCCCCC(=O)OC(=O)CCCCCCCCCCCCCCCCC
PubChem CID	69485

Physical properties
Physical form	Flakes
Appearance	White to pale yellow-beige flakes or powder
Melting point	70-72 °C
LogP (XLogP3)	16.7
H-bond donors / acceptors	0 / 3
TPSA	43.4 Å²
Synonyms	Octadecanoic anhydride, Stearic acid anhydride, Octadecanoic acid, 1,1'-anhydride, Stearicanhydride, Octadecanoic acid, anhydride, N-Octadecanoic Anhydride, Octadecanoic anhydride #, Stearic anhydride, >=97.0% (GC)

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

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

Frequently asked questions

What is the CAS number of Stearic anhydride, 97%?

The CAS Registry Number of Stearic anhydride, 97% is 638-08-4. It is also known as Octadecanoic anhydride, Stearic acid anhydride, Octadecanoic acid, 1,1'-anhydride.

What is the molecular formula and molecular weight of Stearic anhydride, 97%?

Stearic anhydride, 97% has the molecular formula C36H70O3 and a molecular weight of 550.9 g/mol. Its IUPAC name is octadecanoyl octadecanoate.

Which grade and pack sizes of Stearic anhydride, 97% can I order?

We supply Stearic anhydride, 97% in Synthesis (97%) grade, in 5 g, 25 g, 100 g, 250 g, 1 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Stearic anhydride, 97%?

Yes. Every lot of Stearic anhydride, 97% 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 anhydride, 97% be shipped internationally?

Yes. Stearic anhydride, 97% 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.