Sorbitan monopalmitate

CAS 26266-57-9C22H42O6Micro / NanoElectronics

Sorbitan monopalmitate (CAS: 26266-57-9; Formula: C22H42O6) is a nonionic surfactant and emulsifier. With a molecular weight of 402.57 g/mol, it is derived from sorbitol and palmitic acid. It finds application as a polymer additive, aiding in material processing and modification, and is utilized in self-assembly processes within materials science and micro/nanoelectronics.

IUPAC: Span® 40

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Sorbitan monopalmitate (C22H42O6) — chemical structure, CAS 26266-57-9; Materials Science, fine chemical supplied by Tech Serve Solutions

Materials ScienceMicro/NanoElectronicsNonionicNonionic SurfactantsPolymer AdditivesPolymer ScienceSelf-Assembly MaterialsSurfactants

01 /Applications

Polymer Additive

Sorbitan monopalmitate acts as a versatile additive in polymer science. It can influence material properties and processing characteristics.

Materials Science & Self-Assembly

This compound is employed in materials science for its self-assembly properties. It is particularly relevant in the development of micro/nanoelectronic materials.

Nonionic Surfactant

As a nonionic surfactant, it exhibits emulsifying capabilities, making it useful in various formulations where interfacial tension reduction is required.

02 /Properties

Molecular weight	402.57
Empirical formula	C22H42O6
Melting point	46-47 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust, fume, gas or vapours
P305IF IN EYES

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Flash point	113 °C / 235.4 °F
Water hazard class (WGK, DE)	1
Hazard codes (EU)	Xi
Risk statements (R)	36/37/38
Safety statements (S)	26-36

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

26266-57-9

MDL number

MFCD00080946

PubChem substance

24864252

05 /Additional specifications

Hlb	6
Hlb Value	6.7±1.0

06 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

07 /Frequently asked questions

What is Sorbitan monopalmitate used for?

Sorbitan monopalmitate is used as a polymer additive in materials science and micro/nanoelectronics, and as a nonionic surfactant.

What are the CAS number and formula for Sorbitan monopalmitate?

The CAS number for Sorbitan monopalmitate is 26266-57-9, and its formula is C22H42O6.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Sorbitan monopalmitate with a typical HLB of 6.7±1.0. While we do not specify USP, BP, or EP grades unless explicitly stated, this product is suitable for research and technical applications. Please inquire for specific lot purity.

How should Sorbitan monopalmitate be handled?

Handle Sorbitan monopalmitate with appropriate personal protective equipment, including a dust mask (N95 recommended), eyeshields, and gloves. Avoid inhalation of dust and ensure adequate ventilation. It is classified as an irritant to skin, eyes, and the respiratory tract (H315, H319, H335).

How is Sorbitan monopalmitate packed and exported?

Sorbitan monopalmitate is carefully packed to maintain its integrity during transit. Tech Serve Solutions is a global supplier and exporter, experienced in international shipments.