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Carbomer Copolymer Type A (CAS 145687-02-1, UNII 71DD5V995L) is a high-molecular-weight, crosslinked copolymer of acrylic acid and
alkyl methacrylate. It is a white powder widely used as a rheology modifier, thickener, and emulsifier in pharmaceutical topicals, eye drops (e.g., Refresh Digital), and personal care products. It is known as a non-benzene polymerized, low-viscosity, and emulsifying-stabilizing carbomer, often used when high electrolyte tolerance is needed, similar to .
It is important to differentiate between Carbomer Copolymer Type A (often low viscosity) and Carbomer Homopolymer Type A/B, which are generally used for higher viscosity and, as described on Drugs.com and Pharma Excipients, differ in their crosslinking and polymer structures.
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Carbomer copolymer type A (allyl pentaerythritol crosslinked)
National Institutes of Health (.gov)
https://pubchem.ncbi.nlm.nih.gov › compound › Carbo...
National Institutes of Health (.gov)
https://pubchem.ncbi.nlm.nih.gov › compound › Carbo...
Carbomer copolymer type A (allyl pentaerythritol crosslinked) chemical information summary.
People also ask
What is carbomer copolymer type A?
Carbomer copolymer is a high molecular weight copolymer of acrylic acid and a long-chain alkyl methacrylate cross-linked with allyl ethers of pentaerythritol.
Chemical Substance - Carbomer Copolymer
hc-sc.gc.ca
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hc-sc.gc.ca
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Is carbomer homopolymer type A safe?
Carbomers are considered to be generally regarded as safe by the FDA, although high concentrations may lead to eye and skin irritation. Carbomers are commonly found in toothpaste and gels, shampoo, skin lotions, and some lubricant eye drops.Dec 1, 2025
Carbomer Homopolymer Type A: What is it and where is it used?
Drugs.com
https://www.drugs.com › Inactive Ingredients
Drugs.com
https://www.drugs.com › Inactive Ingredients
Is carbomer good or bad for skin?
Carbomers are a series of polymers that derive from acrylic acid. Companies use them in a range of products as emulsifiers, thickeners, suspenders, and binders. Research suggests that they are generally nonirritating on the skin. Health experts generally consider carbomers safe and nontoxic for humans.
What are carbomers? Uses, risks, and the environment
Medical News Today
https://www.medicalnewstoday.com › articles › carbomer
Medical News Today
https://www.medicalnewstoday.com › articles › carbomer
Is copolymer safe for skin?
Health Concerns
Styrene acrylates copolymer is considered safe because there is a low likelihood of absorption of the full compound.
Styrene acrylates copolymer is considered safe because there is a low likelihood of absorption of the full compound.
Styrene Acrylates Copolymer - Safe Cosmetics
Safe Cosmetics
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Safe Cosmetics
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Web results
Carbomer Copolymer Type A - Ingredients
SkinSAFE
https://www.skinsafeproducts.com › Ingredients
SkinSAFE
https://www.skinsafeproducts.com › Ingredients
Health and safety, common uses, other names and ingredient information for Carbomer Copolymer Type A.
Carbomer Homopolymer Type A: What is it and where ...
Drugs.com
https://www.drugs.com › Inactive Ingredients
Drugs.com
https://www.drugs.com › Inactive Ingredients
Dec 1, 2025 — Carbomer is a high molecular weight polymer compound used commonly in the cosmetic industry. These compounds can absorb large amounts of water.Read more
CARBOMER COPOLYMER TYPE A (ALLYL ...
National Institutes of Health (.gov)
https://gsrs.ncats.nih.gov › ginas › app › beta › substances
National Institutes of Health (.gov)
https://gsrs.ncats.nih.gov › ginas › app › beta › substances
CARBOMER COPOLYMER TYPE A (ALLYL PENTAERYTHRITOL CROSSLINKED) · Overview · Substance Hierarchy · Polymer Display Structure · Polymer Monomers and Starting ...Read more
Chemical Substance - Carbomer Copolymer
hc-sc.gc.ca
https://webprod.hc-sc.gc.ca › nhpid-bdipsn › ingredReq
hc-sc.gc.ca
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Carbomer copolymer is a high molecular weight copolymer of acrylic acid and a long-chain alkyl methacrylate cross-linked with allyl ethers of pentaerythritol.Read more
China Carbomer Copolymer Type A Factory
nmcarbomer.com
https://www.nmcarbomer.com › carbomer-copolymer-ty...
nmcarbomer.com
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We are focus on manufacturing Carbomer Copolymer Type A. Exporting Carbomer Copolymer Type A products all over the world since 2011.
Pharmaceutical Excipients Guide
Pharma Excipients
https://www.pharmaexcipients.com › 2020/09 › L...
Pharma Excipients
https://www.pharmaexcipients.com › 2020/09 › L...
PDF
Carbomer Copolymer Type B. —. —. —. —. Pemulen™ TR-2 NF Polymer. Cosolvent. Carbomer Copolymer Type A. —. —. —. —. Noveon® AA-1 Polycarbophil USP. Ethyl Acetate.Read more
2 pages
CARBOMER COPOLYMER TYPE A (ALLYL ... - Inxight Drugs
Inxight Drugs
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Inxight Drugs
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CARBOMER COPOLYMER TYPE A (ALLYL PENTAERYTHRITOL CROSSLINKED). 71DD5V995L. Possibly Marketed Outside US. First approved in 1983. General ...Read more
Carbomer Copolymer USP Reference Standard ...
Sigma-Aldrich
https://www.sigmaaldrich.com › product › usp
Sigma-Aldrich
https://www.sigmaaldrich.com › product › usp
Carbomer Copolymer United States Pharmacopeia (USP) Reference Standard; CAS Number: 138789-85-2; Synonyms: An acrylic acid-pentaeythritol allyl ether ...
$532.002–4 day delivery
What are carbomers? Uses, risks, and the environment
Medical News Today
https://www.medicalnewstoday.com › articles › carbomer
Medical News Today
https://www.medicalnewstoday.com › articles › carbomer
Apr 19, 2022 — Carbomers are a series of polymers that derive from acrylic acid. Companies use them in a range of products as emulsifiers, thickeners, suspenders, and binders.Read more