Polyquaternium-7 (B2245)

Chemical Formula:

(C₈H₁₆ClN·C₃H₅NO)ₓ (copolymer, variable structure)

CAS Number:

26590-05-06

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Polyquaternium-7 (B2245)

Chemical Formula:

(C₈H₁₆ClN·C₃H₅NO)ₓ (copolymer, variable structure)

CAS Number:

26590-05-06

Polyquaternium-7 is a cationic copolymer of acrylamide and diallyldimethylammonium chloride (DADMAC). It is widely used in personal care and cosmetic formulations for its excellent conditioning, film-forming, and antistatic properties. This water-soluble polymer improves hair softness, reduces static, and enhances skin feel in leave-on and rinse-off products. The B2245 grade indicates a cosmetic-grade liquid solution designed for easy formulation into hair care and skin care products.

Characteristics

Molar Weight

High molecular weight (variable, polymeric)

Boiling Point

>100°C (aqueous solution)

Solubility

Freely soluble in water

Density

~1.02 g/cm³ (aqueous solution)

Forms

Clear to slightly hazy viscous liquid

Odor

Odorless to mild characteristic odor

USES AND APPLICATIONS

Key applications

Provides conditioning in shampoos and conditioners
Acts as antistatic agent in hair care
Improves combability and smoothness of hair
Enhances skin feel in lotions and creams
Forms protective, moisturizing film on skin

Industries

Cosmetics and personal care
Hair care formulations
Skin care and cleansing products
Shower gels and bath products

Synonyms

PQ-7, Acrylamide/DADMAC copolymer

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