Product information
- Product name: Polyquaternium-11 (PQ-11)
- CAS No.: 53633-54-8
- INCI Name: Polyquaternium-11
- Synonyms: Gafquat‑755, VP/DMAEMA quaternized copolymer
- Common commercial grade: 20% aqueous solution
‑ Chemical Name: Poly[(2‑ethyldimethylammonioethyl methacrylate ethyl sulfate)‑co‑(1‑vinylpyrrolidone)]
‑ Chemical category: Cationic water‑soluble copolymer, cosmetic conditioning & film‑forming agent
‑ Appearance@25℃: Colorless to light‑yellow transparent viscous liquid
‑ Main composition: 20 % Polyquaternium‑11 + 80 % deionized water
Chemphysical properties
Odor Faint characteristic odorDensity @25℃ 1.04‑1.07 g/cm³
Viscosity (Brookfield,25℃) 20000‑70000 cps
Solubility Fully water‑soluble; compatible with anionic, non‑ionic, amphoteric surfactants
pH (1 % aqueous solution,25℃) 5.0‑7.0
Film property Forms clear, non‑tacky flexible film
Quality specification (Cosmetic grade 20%)
| Test Item | Specification |
|---|---|
| Solid content | 19.0‑21.0 % |
| Viscosity (25℃) | 20000‑70000 cps |
| pH (1% aq.) | 5.0‑7.0 |
| Residual vinylpyrrolidone | ≤50 ppm |
| Ash content | ≤0.2 % |
| Heavy metals(Pb) | ≤10 ppm |
| Arsenic | ≤2 ppm |
Application & Use
‑ Cationic hair‑conditioning polymer for cosmetic hair‑care formulations.
‑ Improves wet & dry combability, delivers silky luster, reduces hair frizz & split‑ends.‑ Good film‑forming performance for hair gel, styling mousse, hair spray, anti‑flyaway shampoo.
‑ Low‑build‑up characteristic, less residue on hair.
‑ Also used in skincare to improve skin slip‑feel.‑ Recommended dosage (as supplied): 1.0‑3.0 %.
Packing
‑ 25 kg/60kg PE plastic drum or as per request
‑ 1000 kg IBC tote tank
‑ Sample: 1 kg /5 kg PE bottle
Transportation & Storage
‑ Store in cool, dry, well‑ventilated warehouse, tightly sealed.
‑ Avoid high temperature (>45℃) and direct sunlight. Prevent freezing.
‑ Shelf‑life: 12 months under unopened recommended storage.
‑ Non‑dangerous goods for transport; avoid skin‑eye contact.
Disclaimer: Typical values only, contractual standard subject to batch‑wise COA.
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