Koster Keunen Branched Kester BK-40 Wax No. 197

CAS Number: 68201-22-9
EC Number: 269-209-4
INCI Name: C32-36 Isoalkyl Stearate
Chemical Family: Waxes

Kester Wax BK-40, a high molecular weight branched ester, mimics the textures of butters and hydrogenated chemistries without the oxidation and rancidity issues. It is hard and brittle with a low melt point. These attributes impart a creamy texture and help to improve skin moisture without adding greasiness like many butters.

Properties

Physical Form: Semi-solid

Product families

Applications

Personal Care — Beauty & Care

Hair Care
Skin Care

Product Families

Cosmetic Ingredients — Functionals

Conditioners & Emollients
Fats Butters & Waxes

Other characteristics

Functions: Emollient, Moisturizing Agent
Benefit Claims: Creamy Texture, Emolliency, Film Forming, Good Consistency, Moisturizing, Rich Feel; Creamy Texture; Emolliency; Film Forming; Good Consistency; Moisturizing; Rich Feel
Labeling Claims: Kosher, Plant-Based, Ulta Beauty's Conscious Beauty; Kosher; Plant-Based; Ulta Beauty's Conscious Beauty
Ingredient Origin: Synthetic
Certifications & Compliance: Kosher
Markets: Personal Care
Shelf LIfe: 2 years
Technology: Cosmetic Ingredients
Application Format: Creams
Leave On
Lotions
Chemical Inventories: DSL (Canada)
Skin Care Applications: Moisturizers
Formulation Guideline: Kester Wax BK-40 mimics the textures of butters and hydrogenated chemistries without the oxidation and rancidity issues. Formulators will find it builds viscosity and improves esthetics in emulsions. BK40 can be used in all cosmetic, skin and hair applications without limit.
Certifications and Compliance: Kosher
Cosmetic Ingredients Functions: Emollient
Moisturizing Agent

Technical data

Table 1 of 1

5 rows

Characteristic	Value	Unit	Method
Acid Value	max. 15	mg KOH/g	USP 401
Ester Value	50-82	mgKOH/g	(USP 401)
Iodine Value	max. 2.5	g/100g	( USP 401)
Melting point	35-44	°C	(USP 741)
Saponification Value	65-83	mgKOH/g	(USP 401)