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Koster Keunen Branched Kester BK-40 Wax No. 197

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.

INCI Name: C32-36 Isoalkyl Stearate

Ingredient Origin: Synthetic

Functions: Emollient, Moisturizing Agent

Labeling Claims: Kosher, Plant-Based, Ulta Beauty's Conscious Beauty

Certifications & Compliance: Kosher

Benefit Claims: Creamy Texture, Emolliency, Film Forming, Good Consistency, Moisturizing, Rich Feel

Technical Data Sheet

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Chemical Family
Waxes
INCI Name
C32-36 Isoalkyl Stearate
Ingredient Origin
Synthetic
Cosmetic Ingredients Functions
Emollient,
Moisturizing Agent
CAS No.
68201-22-9
EC No.
269-209-4
Technologies
Cosmetic Ingredients
Product Families
Cosmetic Ingredients — Functionals
Conditioners & Emollients,
Fats, Butters & Waxes

Features & Benefits

Benefit Claims
Creamy Texture,
Emolliency,
Film Forming,
Good Consistency,
Moisturizing,
Rich Feel
Labeling Claims
Kosher,
Plant-Based,
Ulta Beauty's Conscious Beauty

Applications & Uses

Markets
Personal Care
Applications
Personal Care — Beauty & Care
Hair Care,
Skin Care
Application Format
Creams,
Leave On,
Lotions
Skin Care Applications
Moisturizers
Formulations Guidelines

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.

Properties

Physical Form
Semi-solid
Chemical Properties
ValueUnitsTest Method / Conditions
Acid Valuemax. 15mg KOH/gUSP 401
Ester Value50-82mgKOH/g(USP 401)
Iodine Valuemax. 2.5g/100g( USP 401)
Melting point35-44°C(USP 741)
Saponification Value65-83mgKOH/g(USP 401)

Regulatory & Compliance

Certifications & Compliance
Kosher
Chemical Inventories
DSL (Canada)

Storage & Handling

Shelf Life
2 years