API · Antacid Substrate

Aluminium Hydroxide Gel Paste (ALP)

High-purity Aluminium Hydroxide Gel Paste manufactured at Pharma Grade & In-House specification — the cornerstone API for liquid antacid formulations and the foundational substrate for FD&C lake colour pigments.

Specifications

Pharchem's Aluminium Hydroxide Gel Paste is supplied at pharmacopoeial grade with rigorous in-process and finished-batch quality control. Each lot is accompanied by a Certificate of Analysis.

Chemical nameAluminium Hydroxide Gel Paste
CAS No.21645-51-2
Assay (Al2O3)8% – 12%
GradePharma Grade & In-House
AppearanceWhite viscous gel paste
Monthly capacity450 MT
PackagingHDPE drums · Custom on request
Shelf lifeAs per CoA · Stored in cool, dry conditions

Applications

Aluminium Hydroxide Gel Paste is one of the most widely used pharmaceutical APIs globally. Pharchem supplies ALP for:

Liquid antacid suspensions

Active ingredient in widely prescribed antacid syrups for hyperacidity, GERD and peptic ulcer treatment. Often combined with Magnesium Hydroxide for balanced efficacy.

Combination antacid pastes

ALP is commonly co-formulated with Magnesium Hydroxide Paste to balance the antacid action — the standard formulation in many leading branded suspensions.

Lake colour substrate

ALP is the foundational substrate for FD&C lake colours used in pharma, food, cosmetics and confectionery applications.

Vaccine adjuvants

Specialised Aluminium Hydroxide Gel grades are used as adjuvants in vaccine formulations to enhance immune response.

Phosphate binders

Used in pharmaceutical phosphate-binder formulations for patients with chronic kidney disease.

Export & contract supply

Supplied to leading Indian and global pharmaceutical manufacturers including Pfizer, Abbott, Alkem, Macleods and more.

Quality & Compliance

ISO 9001:2015

c-GMP Schedule M

Pharma Grade & In-House Grade

Global supply

Pharchem operates an ISO 9001:2015 Quality Management System at our Tarapur MIDC (Boisar), Palghar facility. Every batch of Aluminium Hydroxide Gel Paste is manufactured under c-GMP Schedule M conditions and tested against the USP monograph and our internal release specifications before despatch.

FAQ — Aluminium Hydroxide Gel Paste

What is Aluminium Hydroxide Gel Paste?

Aluminium Hydroxide Gel Paste (ALP) is a non-sterile pharmaceutical API consisting of a wet gel of aluminium hydroxide [Al(OH)3] suspended in water. It is supplied at Pharma Grade & In-House specification with an Al2O3 assay of 8%–12%.

What is ALP used for?

ALP's two main uses are: (1) as the active ingredient in liquid antacid formulations that neutralise stomach acid, and (2) as the foundational substrate for FD&C lake colour pigments used in pharma, food and cosmetic applications. It is also used in vaccine adjuvants and phosphate-binder formulations.

What is your manufacturing capacity?

450 metric tonnes per month. Pharchem supplies ALP to leading Indian and global pharma manufacturers — please contact us for sample requests, specifications and commercial terms.

Do you supply for export?

Yes. Pharchem's ALP is exported globally and meets the USP monograph and our internal release specifications. Documentation including CoA, MSDS and DMF is available on request for regulatory filings.

Request samples or a quote

Email info@pharchem.in or message us on WhatsApp with your specifications and quantity. Our sales team responds within one business day.