Purchasing, QA and formulation teams searching for USP activated charcoal powder in bulk usually need to answer three questions before a PO: is USP grade actually required, how do we verify that a drum really meets the monograph, and who can ship a production quantity from US stock without a container-sized minimum. This guide is written for wholesale buyers comparing USP vs food-grade activated charcoal — what each grade is held to, what the lot COA should show, mesh and source-material questions, documents, MOQ and lead time from Ronkonkoma, NY, and an RFQ checklist.
Zenith Nutra Products stocks USP activated charcoal powder (pharmaceutical grade) — published as manufactured and tested to the USP Activated Charcoal monograph — with a 20 kg MOQ and typical dispatch in 3–7 business days from US stock in Ronkonkoma, Long Island, New York. Food-grade coconut shell activated carbon powder starts at 25 kg. Pricing is quoted per order; request a quote with grade, quantity and ship-to.
USP vs FCC vs food grade: what each label is actually held to
“Activated charcoal” on a purchase order is not one material. The grade name tells you which standard the lot is tested against — and therefore what your QA team can rely on at receipt.
| Grade label | Governing standard | Typical bulk buyer | What the lot COA should show | Zenith published line |
|---|---|---|---|---|
| USP | USP–NF monograph “Activated Charcoal” (official edition in force) | Pharmaceutical and compounding supply; any finished-product or customer specification that cites USP | Each monograph test with result or “meets”, the USP–NF edition cited, lot number, manufacture/retest dates | USP activated charcoal powder — 20 kg MOQ, 20 kg fibre drums |
| FCC | Food Chemicals Codex monograph for activated carbon | Food processing and ingredient specifications that cite FCC | FCC tests and edition cited on the COA | If your specification cites FCC, state it on the RFQ and confirm the COA references it before PO |
| Food grade (supplier specification) | Supplier’s own food-grade specification plus applicable food-safety rules | Supplement capsules, cosmetics, beverage filtration | Supplier spec tests (e.g. iodine number, mesh, moisture, ash, heavy metals) against stated limits | Coconut shell powder — iodine ≥ 1000 mg/g, 200–325 mesh, 25 kg MOQ |
| Pharmaceutical process grade (acid-washed) | Supplier specification focused on low ash and extractables | API purification and process streams intolerant of leachable minerals | Ash, extractable iron, acid-soluble matter, heavy metals; extractables data | Acid-washed activated carbon — ash ≤ 1.0%, 20 kg MOQ |
The practical rule: buy USP when a pharmacopoeial specification, a regulated finished product or a customer audit requires it. For most supplement and cosmetic duty, a well-documented food-grade coconut shell powder is the usual default — and USP grade carries more testing and documentation cost. Never accept a “USP” claim on a bag whose COA does not report the monograph tests.
What the USP Activated Charcoal monograph tests — and how to read the COA
The USP–NF monograph defines Activated Charcoal as the residue from the destructive distillation of various organic materials, treated to increase its adsorptive power. Published editions of the monograph include, among others, the following tests. The official text in force governs, and editions change — so ask which USP–NF edition the COA cites.
- Adsorptive power — an alkaloid test and a dye (methylene blue) test
- Loss on drying and residue on ignition
- Acid-soluble substances
- Reaction (neutrality of a boiled-water extract), chloride and sulfate, sulfide, cyanogen compounds and uncarbonized constituents
- Microbial requirements and residual solvents, plus elemental-impurity expectations as applied by your QA programme
Zenith’s published USP specification lists: adsorptive power meeting the USP methylene blue requirement; loss on drying ≤ 15%; residue on ignition ≤ 4%; acid-soluble substances ≤ 2.5%; alkalinity, chloride and sulfide meeting USP requirements; heavy metals ≤ 10 ppm; lead ≤ 1 ppm; particle size ≥ 95% through 325 mesh; 36-month shelf life. The lot COA governs for any individual drum.
COA red flags for any supplier: a catalogue PDF in place of a lot-specific certificate; “USP” in the product name but only iodine number and moisture reported; no USP–NF edition cited; a lot number that does not match the drum label; results reported as “typical” rather than for the lot.
Mesh and particle size: write the method, not just the number
Particle size changes adsorption speed, dusting and how the powder behaves in blending or encapsulation. Bulk listings express it in different ways — “−325 mesh”, “200–325 mesh”, or “% passing 325 mesh” — which are not interchangeable.
- Zenith USP powder: ≥ 95% through 325 mesh (published specification).
- Zenith food-grade coconut shell powder: 200–325 mesh, the usual specification for capsules and tablets; alternative meshes available to order.
- Granular duty: packed columns need granular carbon (8×30, 12×40, 20×50), not powder.
On the RFQ, state the limit you need (for example “≥ 95% passing 325 mesh”), the sieve method your QC uses, and whether the figure must appear on every lot COA.
Source material and activation: coconut shell, wood or coal
The USP definition does not mandate one feedstock, so a USP lot can be made from different raw materials. Feedstock still matters to buyers: coconut shell gives a predominantly microporous, hard carbon; hardwood gives a more mesoporous carbon used for decolourising (hardwood decolourising grades are specified by molasses number); coal-based carbons are common in water treatment. Activation route matters too — steam (physical) activation leaves no residual activating agents, while chemically activated carbons may need residue questions answered.
Zenith’s USP specification lists raw material as coconut shell / wood, steam activated. If your label, customer or allergen file requires a single named feedstock, write it on the RFQ and ask for the lot’s raw material and country of origin on the quote. Zenith’s charcoal lines list origin as China, Thailand and India (other countries on request).
For the numbers that drive performance — iodine number, mesh, ash and wash grade — see how to choose an activated carbon grade.
Documents to request before you approve the PO
- Lot-specific Certificate of Analysis reporting the monograph (USP) or specification (food grade) tests, with USP–NF edition where applicable
- SDS and specification sheet for the exact grade and mesh
- Raw material, activation method and country of origin statement
- Allergen / GMO statements; Kosher and Halal certificates where those claims appear on your label (Zenith’s USP line lists Kosher and Halal)
- Residual solvents and elemental-impurities statements if your QA programme requires them
- Manufacturer / site disclosure and change-notification commitment for supplier qualification
Zenith lists a full pharmaceutical documentation pack for the USP line and cGMP on the product page; ask for the pack contents in writing with your quote so your QA team can check them against its supplier-qualification procedure.
MOQ, packaging and lead time from Ronkonkoma, NY
Bulk USP charcoal is sold in very different ways: laboratory-chemical catalogues sell small units up to drums sized for lab or industrial ship-to; large carbon manufacturers quote by programme; import factories often quote tonne-level minimums with ocean-freight lead times. For a first production lot or validation run, the questions are the same — what is the smallest commercial unit, where is it physically stocked, and when does it ship.
- USP activated charcoal powder: 20 kg MOQ; 20 kg fibre drums with double PE liner; 1 kg and 5 kg pharmaceutical-grade containers for sampling; typically 3–7 business days from US stock.
- Food-grade coconut shell powder: 25 kg MOQ; 25 kg multi-wall kraft bags with PE liner; 1 kg and 5 kg sampling pouches; typically 3–7 business days from US stock.
- Acid-washed low-ash carbon: 20 kg MOQ; 20 kg fibre drums or 25 kg lined bags.
- Freight: FOB and DDP terms; domestic LTL and parcel from Ronkonkoma, Long Island, New York, plus international air and sea freight.
Stocked-line lead times assume inventory on hand; made-to-order mesh or grades take longer — get both numbers on the quote. For the East Coast stock angle in more detail, see East Coast food-grade activated charcoal stock — USP options from Ronkonkoma, NY.
Cost-in-use without list prices
USP grade generally costs more than food grade because each lot carries the monograph test suite, cGMP controls and a heavier documentation pack. Compare quotes on delivered cost for the quantity you will actually use, including drum size versus your batch size, testing your own QC must repeat at receipt, freight from the ship-from city, and the cost of a delayed batch if a lot arrives without the right COA. Zenith does not publish list prices; we quote per order.
RFQ checklist for bulk USP or food-grade activated charcoal
- Grade: USP (state the USP–NF edition your spec cites), FCC, food grade, or acid-washed.
- Application: pharmaceutical/compounding, supplement capsule, cosmetic, beverage or process purification.
- Particle size: limit and method (e.g. ≥ 95% passing 325 mesh, or 200–325 mesh).
- Feedstock / activation: any required raw material (coconut shell, wood) and steam activation, with country of origin.
- Quantity: first lot (20 kg / 25 kg units) and expected annual volume; sample size if needed (1 kg or 5 kg).
- Packaging: fibre drum vs lined kraft bag; palletisation and dock requirements.
- Documents: lot COA, SDS, spec sheet, origin statement, Kosher/Halal, residual solvents / elemental impurities, supplier questionnaire.
- Ship window: stocked vs made-to-order, ship-to ZIP, FOB or DDP.
Related products and reading
- USP activated charcoal powder (pharmaceutical grade) — 20 kg MOQ, Ronkonkoma stock.
- Coconut shell activated carbon powder (food grade) — iodine ≥ 1000 mg/g, 200–325 mesh.
- Acid-washed activated carbon (low ash) — for purification streams.
- East Coast food-grade activated charcoal stock — Ronkonkoma MOQs and docs.
- Choosing an activated carbon grade — iodine number, mesh and ash.
- Contract manufacturing RFQ checklist — when charcoal goes into a finished capsule run.
Zenith Nutra Products holds USP and food-grade activated charcoal as US stock in Ronkonkoma, Long Island, NY, with 20 kg (USP) and 25 kg (food-grade coconut shell) minimums and 3–7 business-day dispatch on stocked lines. Request an activated charcoal quote with grade, mesh, quantity and ship-to, or review the USP activated charcoal product page for the full specification.
