Description

Sorbitan, Tetraoctadecanoate CAS NO 61752-68-9 is a high-purity, non-ionic surfactant and emulsifier derived from sorbitol and stearic acid. This compound is valued for its excellent stability and ability to form water-in-oil emulsions in demanding formulations. It is an essential ingredient for manufacturers in the cosmetics, personal care, pharmaceuticals, and food industries seeking reliable and consistent performance.

Application

• Primary emulsifier and stabilizer in cosmetic creams, lotions, and ointments.
• Key component in pharmaceutical topical preparations for controlled active ingredient release.
• Food-grade emulsifier for baked goods, confectionery, and whipped toppings.
• Industrial applications as a lubricant additive and textile processing aid.
• Base material in the synthesis of other specialty surfactants and esters.
• Used in agricultural formulations as an adjuvant for pesticides and herbicides.

Basic Information

Product Name	Sorbitan, Tetraoctadecanoate
CAS No.	61752-68-9
Molecular Formula	C78H152O8
Molecular Weight	1210.0 g/mol (approx.)
Synonyms	Sorbitan Tetrastearate; Sorbitan Stearate (mixture); Span 60 (related); Sorbitan, esters with stearic acid; E491 (when used as food additive); Anhydrosorbitol stearate; INS 491
EINECS	262-982-6

Quality Control

Our Sorbitan, Tetraoctadecanoate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets the required specifications for identity, purity, and performance. Certificates of Analysis (COA) documenting compliance with relevant standards such as FCC (Food Chemicals Codex) and pharmaceutical-grade requirements are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and excessive heat to maintain product integrity.

Specification

Item	Specification
Appearance	Off-white to cream waxy solid
Identification (IR)	Conforms
Assay (Sorbitan Esters)	≥ 95.0 %
Acid Value	≤ 10.0 mg KOH/g
Saponification Value	145 - 160 mg KOH/g
Hydroxyl Value	235 - 260 mg KOH/g
Water Content	≤ 1.5 %
Heavy Metals (as Pb)	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.