Qpan 40

Name: Qpan 40
Brand: Vaqora Chemicals
SKU: VQ-003700

About Qpan 40

Listed under CAS 26266-57-9, Qpan 40 is a biological detergent available from Vaqora Chemicals. Formula C22H42O6, molecular weight 402.6 g/mol. Its systematic (IUPAC) name is [(2R)-2-[(2R,3R,4S)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] hexadecanoate. Common synonyms include Sorbitan monopalmitate and Span 40.

It is supplied as white to yellowish powder to flakes. Reported physical data include a melting point of 46-47 °C. Solubility: insoluble in water. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for cell lysis, membrane protein solubilisation, electrophoresis and pharmaceutical synthesis. It is used across academic and industrial research and diagnostics and biotechnology.

Standard pack sizes are 500 g, 5 kg, 25 kg and 4 x 25 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Cell lysis
Membrane protein solubilisation
Electrophoresis
Pharmaceutical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Qpan 40
Catalogue No.	VQ-003700
CAS Number	26266-57-9
IUPAC name	[(2R)-2-[(2R,3R,4S)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] hexadecanoate
Molecular formula	C₂₂H₄₂O₆
Molecular weight	402.6 g/mol
Exact mass	402.2981
HSN code	29321990
InChIKey	IYFATESGLOUGBX-YVNJGZBMSA-N
SMILES	CCCCCCCCCCCCCCCC(=O)OC[C@H]([C@@H]1[C@@H]([C@H](CO1)O)O)O
PubChem CID	16212480

Physical properties
Physical form	Flakes
Appearance	White to yellowish powder to flakes
Melting point	46-47 °C
Solubility	Insoluble in water
LogP (XLogP3)	5.8
H-bond donors / acceptors	3 / 6
TPSA	96.2 Å²
Synonyms	Sorbitan monopalmitate, Span 40, Arlacel 40, Palmitate de sorbitan, Sorbitani palmitas, Sorbitan palmitate, INS NO.495, INS-495, D-Glucitol, 1,4-anhydro-, 6-hexadecanoate, 1,4-Anhydro-D-glucitol, 6-hexadecanoate, 2-(3,4-dihydroxyoxolan-2-yl)-2-hydroxyethyl hexadecanoate, Sorbitan monohexadecanoate

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 Qpan 40?

The CAS Registry Number of Qpan 40 is 26266-57-9. It is also known as Sorbitan monopalmitate, Span 40, Arlacel 40.

What is the molecular formula and molecular weight of Qpan 40?

Qpan 40 has the molecular formula C22H42O6 and a molecular weight of 402.6 g/mol. Its IUPAC name is [(2R)-2-[(2R,3R,4S)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] hexadecanoate.

Which grade and pack sizes of Qpan 40 can I order?

We supply Qpan 40, in 500 g, 5 kg, 25 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Qpan 40?

Yes. Every lot of Qpan 40 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 Qpan 40 be shipped internationally?

Yes. Qpan 40 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.