TDS of Carbopol 940.pdfCarbomer CAS 9003-01-4 is cross-linked polyacrylic-acid polymer white fluffy powder, multiple grades: Carbomer 940, 941, 980, 981, U20, 21,960,961 etc. It swells in water and forms high-viscosity clear gel after alkali neutralization, used as thickener, gelling & suspending agent for cosmetics and USP-NF pharmaceutical topical preparations. TNJ Chemical supplies multi-grade carbomer, samples and full supporting documents available.
Basic product information
Product name: Carbomer (Carbopol)
CAS-No：9003-01-4
Synonym：Cross-linked Polyacrylic Acid, Carbomer 940, 941, 980
INCI Name：Carbomer
Molecular Formula：(C3H4O2)n (cross-linked polymer, no fixed molecular weight)
EINECS：202-415-4
Appearance: White fluffy fine powder
Grade: Cosmetic grade / USP-NF pharmaceutical grade
Main commercial grades: Carbomer 940, 941, 980 (benzene-free), 981 (benzene-free), U20, U2, 960, 961..
Physic‑chemical Properties
Solubility Swells in water; neutralized by alkali to form high‑viscosity clear gel
pH (1% dispersion) 2.5-3.5 (acidic before neutralization)
Feature High‑efficiency thickener, gelling & suspending agent, excellent transparency after neutralization; short‑flow / long‑flow rheology depends on gradeQuality Specification (Main Grades Combined)
| Test Item | Carbomer 940 | Carbomer 941 | Carbomer 980 (Benzene‑free) | Carbomer 981 (Benzene‑free) | Carbomer U20 (Easy‑disperse) |
|---|---|---|---|---|---|
| Viscosity (0.5% neutralized gel,25℃ mPa·s) | 40000‑70000 | 4000‑11000 | 40000‑60000 | 4000‑11000 | 40000‑65000 |
| Light transmittance (420 nm) | ≥85% | ≥88% | ≥93% | ≥93% | ≥92% |
| Rheology | Short‑flow, non‑drip | Long‑flow, flowing | Short‑flow, high clarity | Long‑flow, high clarity | Short‑flow, fast wetting |
| Solvent residue | Benzene trace | Benzene trace | Ethyl acetate/cyclohexane | Ethyl acetate/cyclohexane | Ethyl acetate/cyclohexane |
Application Guidance
Carbomer 940
High viscosity, short‑flow rheology. Mainly for hair gel, cream, lotion, clear cosmetic gel. Low electrolyte tolerance, classic economical cosmetic grade.
Carbomer 941
Low‑viscosity long‑flow type. Good suspending performance, suitable for lotion, toner, suspension systems, medium‑ion‑content formulas.
Carbomer 980 (Benzene‑free, most popular)
High‑viscosity, ultra‑high transparency, benzene‑free, meets USP‑NF. For high‑end cosmetics, hydro‑alcohol hand sanitizer gel, pharmaceutical topical gel preparations.
Carbomer 981 (Benzene‑free)
Benzene‑free long‑flow grade. For low‑viscosity transparent lotion, mask essence, suspension cosmetic systems.
Carbomer U20
Self‑wetting & easy‑disperse grade, avoid agglomeration during production. Good electrolyte resistance, ideal for formulas containing plant extracts, surfactants, alcohol hand sanitizer gel, simplifies production operation.
Application & Use
Cosmetics: Thickener, gelling agent, suspending stabilizer for styling gel, serum, cream, lotion, hydro-alcohol gel.
Pharmaceutical: USP-NF excipient for topical gel, ointment base.
Others: Home-care gel formulations.Operation note: Disperse slowly into water under stirring, avoid agglomeration; neutralize with TEA / NaOH to reach target viscosity.
Packing
20 kg / 21 kg carton box with PE inner bag.
Storage & Transportation
Keep tightly sealed, cool dry ventilated warehouse, protect from moisture. Hygroscopic material.
Shelf‑life: 24 months under original sealed condition.
Transport as general chemical.
Disclaimer: This data sheet is for reference only, not contractual standard.
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