Raw material Bis-Aminopropyl Diglycol Dimaleate

Bis-Aminopropyl Diglycol Dimaleate is a new type of personal care or cosmetic ingredient. It has a protective, nourishing and restructuring action for the treatment of hair. It is widely used as the active ingredient in Olaplex hair care products.

Chemical Information

CAS Number: 1629579-82-3

Molecular Formula: C14H28N2O7

Molecular Weight: 336.39 g/mol

Synonyms:

Bis-aminopropyl Diglycol Dimaleate

Bis-aminopropyl DGD Maleate

Diglycol Bis(aminopropyl) Dimaleate

OLAPLEX active ingredient

Chemical Structure: The compound consists of a central diglycol backbone with two terminal aminopropyl chains and two esterified maleate groups. The structure contains two maleate groups connected through a diglycol glycol linker, with two aminopropyl groups at each end.

Physical Properties

Appearance: Clear to pale yellow viscous liquid

Color: Light yellow liquid

Form: Liquid

Odor: Faint chemical odor or mild odor

Solubility: Highly soluble in water and alcohols

pH (1% aqueous solution): 4.5–5.5

pH (of 40% solution): 2.0–4.0

Density: 1.124 g/mL at 25°C

Melting Point: Not applicable (liquid at room temperature)

Boiling Point: >100°C (decomposes)

Flash Point: >93°C (non-flammable)

Water Solubility: Miscible with water

Key Functions & Benefits

Bond Repair: Bis-Aminopropyl Diglycol Dimaleate precisely targets and repairs broken disulfide bonds within the hair—the bonds essential for its structure, strength, and stability.

Hair Strengthening: By rebuilding these internal bonds, the compound significantly enhances hair strength and provides protection from the inside out.

Instant Restoration: It instantly restores all hair types to a healthy, glossy, and resilient state.

Damage Protection: The ingredient can repair disulfide bonds broken during bleaching processes and protect hair from damage.

Key Characteristics:

Free of silicone, sulphates, phthalates, DEA, aldehydes, and oils

High activity and safety profile

Fast repair process

ISO 16128 natural origin index certified

Recommended Applications

Hair Care Products:

Sprays

Conditioners

Shampoos

Creams

Lotions

Gels

Treatment Types:

Hair coloring

Hair bleaching

Hair straightening

Hair conditioning

Hair permanent waving

Target Hair Conditions:

Damaged hair

Bleached hair

Colored hair

Thick, curly, and fine hair types

Recommended Usage Level

Common concentration: 40%–41%

Packaging & Storage

Packaging Options:

200kg/PE drum

30kg/PE can

25kg/bucket

Storage Conditions:

Store in a sealed container

Protect from light

Keep in a dry place

Store in a cool place

Well-ventilated area away from incompatible substances

Shelf Life: Not specified

Safety Information

Hazard Classification: Not classified as a dangerous substance

Firefighting Measures: Water spray, alcohol-resistant foam, dry chemical, or carbon dioxide can be used

First Aid Measures:

Wash contaminated skin and eyes with water

Do not induce vomiting if swallowed

Seek medical attention if symptoms persist

Handling Precautions:

Personal protective equipment recommended: safety glasses, gloves, and impervious clothing

Keep the container tightly closed

Toxicological Data:

Not classified as carcinogenic, mutagenic, or toxic to reproduction

Toxicological data is not fully available

Transport: Not classified as dangerous for transport