Best Ammonium Chloride Powder Suppliers in China

Choosing the best ammonium chloride powder suppliers in China requires more than comparing quoted prices. Buyers should examine purity, particle size, moisture levels, packaging, and production consistency. A bright white powder may look acceptable, yet laboratory results can reveal caking, excess moisture, or inconsistent granulation.

Dr. Li Wei, a chemical quality consultant specializing in industrial raw materials, offers a practical reminder: “A low price means little without consistent purity, documentation, and delivery.” His observation reflects a common procurement problem. Supplier websites often display impressive certificates, but certificates alone do not prove every shipment meets the same standard. Buyers should request recent Certificates of Analysis, batch numbers, inspection records, and clear technical specifications.

Reliable Chinese suppliers usually provide sealed bags, pallet protection, traceable production records, and responsive technical support. They should also explain whether the Ammonium Chloride Powder is suitable for fertilizer production, metal treatment, laboratory use, or other lawful industrial applications. Different uses require different grades and controls. This detail matters.

A factory visit can reveal practical signs that documents miss. Look for clean storage areas, labeled pallets, moisture barriers, and organized loading procedures. Still, no supplier is flawless. Even experienced exporters may face delays, packaging damage, or seasonal production changes. Buyers should discuss corrective procedures before placing large orders.

This guide compares supplier capabilities through a careful, evidence-based lens. It does not treat the lowest offer as the best choice. Instead, it considers quality, communication, compliance, delivery reliability, and long-term value. Some information may change over time, so independent verification remains necessary.

Table of Contents [Hide]

1 Ammonium Chloride Powder Specifications: 99.5% Purity and CAS 12125-02-9

2 China’s Ammonium Chloride Manufacturing Regions and Production Standards

3 How to Evaluate Suppliers by COA, ISO 9001, and Particle-Size Data

4 Agricultural, Industrial, and Pharmaceutical Grades: Key Quality Differences

5 Export Compliance: HS Code 2827.10, Packaging, and Global Shipping Requirements

Ammonium Chloride Powder Specifications: 99.5% Purity and CAS 12125-02-9

Best Ammonium Chloride Powder Suppliers in China

When sourcing ammonium chloride powder from China, begin with the specification, not the sales description. A reliable product should identify ammonium chloride as NH4Cl, with CAS 12125-02-9 and minimum purity of 99.5%. This purity level suits many industrial and laboratory applications, but buyers should confirm the intended grade before ordering. “99.5%” may refer to an assay result, while moisture and insoluble matter can affect actual performance.

Ask for a batch-specific certificate of analysis. It should show the testing method, production date, lot number, and measured purity. Check limits for moisture, sulfate, iron, heavy metals, and insoluble residue.

The powder should appear white or nearly white, with consistent particle texture and no visible foreign material. Looks can mislead. Laboratory testing remains necessary.

A practical supplier should provide a retained sample, sealed packaging, and clear storage guidance. Ammonium chloride is highly soluble in water and may cake when exposed to humidity. Moisture-resistant inner bags and clean outer cartons help preserve flowability during transport. Confirm the net weight, pallet arrangement, and labeling before shipment.

I would also compare test results from more than one batch, because one excellent report cannot represent long-term consistency. Small details matter here. A pre-shipment inspection can reveal differences between the sample and the delivered powder. Personally, I would treat unclear documentation as a purchasing risk, even when the quoted price looks attractive.

China’s Ammonium Chloride Manufacturing Regions and Production Standards

China’s ammonium chloride production is concentrated in soda ash and coal-chemical regions. Major supply areas include Inner Mongolia, Xinjiang, Ningxia, Hebei, Shandong, and Jiangsu. Location matters because it affects raw material access, transport distance, and delivery stability.

Many Chinese manufacturers produce ammonium chloride as a co-product of soda ash manufacturing. Others use synthetic ammonia and related chemical processes. Industrial grades should follow applicable Chinese national or sector standards, such as GB/T 2946 where relevant. Buyers should check chloride content, nitrogen content, moisture, insoluble matter, particle size, and packaging strength. A reliable supplier should provide recent certificates of analysis, safety data sheets, traceability records, and production-batch details. Factory audits add useful evidence, although an audit cannot reveal every weakness.

Tips: Ask where the material is produced, not only where it is exported. Confirm the factory’s province, process route, monthly capacity, and loading port. Compare three batches when possible. Small differences in moisture can affect storage and application performance. Also verify whether the product is industrial, agricultural, feed, or another regulated grade. I have seen specifications look acceptable while packaging failed during humid transport. That detail deserves attention. No production region is perfect, and supply claims should be tested against documents, samples, and consistent shipment records.

How to Evaluate Suppliers by COA, ISO 9001, and Particle-Size Data

A reliable ammonium chloride powder supplier should provide a lot-specific COA, not a recycled template. Check assay, moisture, insoluble matter, iron, and heavy metals. Match every limit with your purchase specification. The COA should show the batch number, test date, method, and authorized approval. A polished document is not proof of quality.

ISO 9001 certification indicates a documented quality-management system. It does not automatically guarantee consistent powder purity. The ISO Survey 2022 reported 1,265,216 ISO 9001 certificates worldwide. This figure shows broad adoption, but certification scope still matters. Ask whether the certificate covers manufacturing, testing, and warehouse control. Verify its validity through the issuing certification body. Small details matter.

Particle-size data often reveals more than a sales sample. Request D10, D50, and D90 results for several recent batches. Ask for the testing method and dispersion conditions. Laser diffraction should follow ISO 13320:2020 where applicable. A supplier reporting only “80 mesh” gives limited process information. Compare the distribution with your feeder, dissolving tank, or blending process. I have seen acceptable assay results paired with unstable flow. That weakness can appear later. Review at least three batch records, and question unusual uniformity. Real production data should contain variation, not perfection. (Sources: ISO Survey 2022; ISO 9001:2015; ISO 13320:2020.)

Agricultural, Industrial, and Pharmaceutical Grades: Key Quality Differences

Best Ammonium Chloride Powder Suppliers in China

Agricultural, industrial, and pharmaceutical ammonium chloride grades serve different quality goals. Agricultural grade commonly supports fertilizer production, where nitrogen content, moisture, particle size, and caking behavior matter. Consistent granules dissolve more predictably in soil. Small differences can affect field application.

Industrial grade is judged by process performance. Buyers should review purity, solution clarity, chloride content, and limits for metals or insoluble residue. Textile, metal treatment, and chemical processes may require different specifications. A lower-cost powder may create filtration problems or unstable results. That is not always obvious from the label.

Pharmaceutical grade requires tighter control and stronger documentation. Suppliers should provide batch-specific certificates, validated testing methods, traceability records, and suitable packaging controls. Microbiological quality may also matter, depending on the intended application. During supplier evaluation, request recent COAs and compare them with independent test results. Factory audits can reveal practical details, such as dusty filling areas or poorly sealed bags. These details are easy to overlook. I would not rely on a single test report, because sampling errors and outdated documents can mislead buyers. Clear communication about grade, particle size, packaging, storage, and transport conditions helps prevent costly misunderstandings. A reliable Chinese supplier should explain limitations openly, not promise identical performance for every use.

Best Ammonium Chloride Powder Suppliers in China: Key Quality Differences by Grade

Representative specification benchmarks for agricultural, industrial, and pharmaceutical ammonium chloride powder. Values are not supplier-specific performance data.

Agricultural grade is commonly evaluated by total nitrogen content and moisture, with fertilizer specifications often requiring at least 25.0% nitrogen and no more than 1.0% moisture. Industrial grade typically emphasizes chemical assay and controlled moisture, while pharmaceutical grade requires a higher assay level and tighter quality control. The agricultural purity-equivalent value is calculated from the 25.0% nitrogen benchmark using the theoretical nitrogen content of ammonium chloride.

Reference basis: commonly published fertilizer specifications, pharmaceutical monograph requirements, and industrial purchasing specifications. Industrial limits may vary by application and contract.

Export Compliance: HS Code 2827.10, Packaging, and Global Shipping Requirements

Best Ammonium Chloride Powder Suppliers in China

Reliable ammonium chloride powder exporters treat HS Code 2827.10 as a starting point, not a complete compliance solution. Customs authorities may request the commercial invoice, packing list, certificate of origin, SDS, and certificate of analysis. Product descriptions should match across every document. Even small differences can delay clearance. A professional supplier verifies purity, moisture, particle size, batch number, and production date before shipment. Import rules may differ by destination, so buyers should confirm requirements with local customs or a licensed broker.

Tips: Request a recent SDS and COA before placing an order. Check that the packaging shows product name, net weight, batch number, origin, and handling information. Do not rely on verbal assurances.

Packaging must protect the powder from humidity and contamination. Common options include woven polypropylene bags with inner liners, kraft paper bags, or larger bulk bags for industrial orders. Pallets should remain stable during loading and unloading. Containers need clean, dry interiors. A frequent mistake is choosing strong bags without considering long sea transit. That decision can cause caking or torn packaging. Shipping documents should state accurate gross weight, net weight, package count, and destination details. Requirements can change, and HS Code 2827.10 does not replace destination-country regulations. Careful document review remains essential.

Best Ammonium Chloride Powder Suppliers in China - Export Compliance: HS Code 2827.10, Packaging, and Global Shipping Requirements

Evaluation Dimension	Verified Product or Trade Data	Export Requirement or Typical Practice	Documents or Evidence to Request	Procurement Check
Product Identity and Classification
Chemical name	Ammonium chloride	White crystalline powder or granules with the chemical formula NH₄Cl.	Product specification sheet and current Safety Data Sheet (SDS).	Required
CAS Registry Number	12125-02-9	The CAS number should match the product identity stated on the commercial invoice, SDS, and certificate of analysis.	SDS Section 1 or 3; certificate of analysis (COA).	Match exactly
HS code	2827.10 — ammonium chloride	HS 2827.10 is the internationally used six-digit classification for ammonium chloride. Importing countries may add national tariff digits, statistical suffixes, or local measures.	Commercial invoice, customs classification statement, and destination-country tariff confirmation.	Verify locally
Typical commercial grades	Industrial, technical, agricultural, feed, and other application-specific grades	Grade names are not globally standardized. Acceptance limits for purity, moisture, iron, heavy metals, insoluble matter, and particle size must be agreed in writing.	Grade specification, COA template, and application compliance statement.	Define before order
Typical purity reference	Industrial products are commonly offered around 99.0% or higher, depending on grade and specification.	Purity is not a substitute for a complete specification. Buyers should specify the analytical method and acceptance range.	Batch-specific COA showing test results, methods, batch number, and production date.	Do not rely on headline purity
Quality and Supplier Qualification
Batch traceability	Each production lot should have a unique batch or lot number.	The batch number should link the product, packaging marks, COA, production date, and retained sample.	Batch record, COA, packing list, and sample label.	Required
Moisture control	Ammonium chloride is water-soluble and should be protected from moisture during storage and transportation.	Use moisture-resistant inner liners, dry storage, sealed bags, and container protection against rain or condensation.	Moisture specification, packaging description, warehouse photos, and loading checklist.	Inspect packaging
Particle size	Powder, crystalline, or granular forms may be available; particle-size ranges vary by application.	Specify sieve or particle-size limits, sampling method, and whether agglomerates are permitted.	Particle-size distribution report and approved pre-shipment sample.	Application-specific
Pre-shipment inspection	Independent inspection may verify quantity, packaging, markings, appearance, and selected laboratory parameters.	Inspection scope, sampling ratio, and failure criteria should be written into the purchase order or sales contract.	Inspection certificate, loading report, photos, and seal number record.	Recommended
Packaging and Marking
Common export packaging	25 kg woven polypropylene bags with polyethylene inner liners; larger 500 kg or 1,000 kg flexible intermediate bulk containers may also be used.	Actual pack size, bag construction, liner thickness, palletization, and maximum stacking height must be confirmed before production.	Packaging specification, packing photos, pallet plan, and approved artwork.	Confirm in contract
Container loading	Dry, clean, odor-free containers are appropriate for packaged chemical cargo.	Use desiccants or moisture-control measures when suitable; protect bags from container-wall condensation and direct contact with wet surfaces.	Container inspection checklist, loading photographs, seal record, and fumigation document where applicable.	Document loading
Outer-bag markings	Recommended information includes product name, net weight, batch number, manufacturing date, country of origin, and storage instructions.	Markings must comply with destination-country language, chemical, weights-and-measures, and customs requirements.	Final packaging artwork and destination-market labeling review.	Check destination rules
Pallet and stretch-wrap requirements	Export pallets and stretch wrap can improve handling and moisture protection but may affect container utilization and freight cost.	Specify pallet material, dimensions, fumigation or heat-treatment status, and whether pallets are included in the net or gross weight.	Packing list, pallet certificate, ISPM 15 mark where required, and gross-weight calculation.	Agree before booking
Regulatory and Shipping Compliance
SDS availability	A current SDS should identify ammonium chloride, CAS 12125-02-9, hazards, handling, storage, accidental release, and transport information.	The SDS should be prepared in the language and format required by the destination market and updated when regulations or formulation information changes.	Current SDS with revision date, supplier details, emergency contact, and all 16 standard sections.	Required
Dangerous-goods transport status	Ammonium chloride is commonly shipped as non-dangerous goods for transport when the product meets the applicable transport regulations.	Transport classification must be confirmed from the current SDS and carrier review. A non-dangerous-goods status does not remove chemical labeling, customs, or workplace-safety obligations.	SDS Section 14, carrier acceptance confirmation, and destination-country transport review.	Confirm per shipment
Core export documents	Commercial invoice, packing list, bill of lading or air waybill, COA, and SDS are commonly required for international chemical shipments.	Additional documents may include certificate of origin, insurance certificate, inspection certificate, import permit, or legalized documents.	Pre-shipment document pack sent for buyer approval before vessel departure.	Document review
Commercial invoice data	Invoice should state product description, HS code, CAS number where requested, grade, quantity, unit price, total value, origin, Incoterm, and currency.	The description must be consistent across the invoice, packing list, bill of lading, COA, and customs declaration.	Draft invoice and consistency check against the purchase order.	Check consistency
Country of origin	For goods manufactured in China, the origin is generally declared as China subject to applicable origin rules.	Some importing countries or preferential trade programs require a specific certificate-of-origin format or additional origin evidence.	Certificate of origin and manufacturer declaration where required.	Destination-dependent
Incoterms	Common options include FOB Chinese port, CFR/CIF destination port, and DAP or DDP where legally and operationally appropriate.	Define the named place or port, transfer of risk, freight responsibility, insurance, import clearance, duties, and taxes. DDP requires the seller to manage destination import obligations where permitted.	Signed quotation or sales contract using an Incoterms® 2020 rule and named location.	Name the place
Container and freight planning	Final container quantity depends on packaging format, pallet use, cargo density, route, carrier limits, and verified gross mass.	Plan around actual packed weight and volume rather than nominal bag count. Confirm cut-off dates, transshipment, free time, and destination port charges.	Loading plan, verified gross mass record, booking confirmation, and freight quotation.	Use packed data
Storage, Arrival, and Buyer Acceptance
Storage conditions	Store in a cool, dry, well-ventilated area in tightly closed original packaging.	Keep away from moisture and incompatible materials identified in the SDS; use stock rotation based on production date and packaging integrity.	SDS Section 7, warehouse procedure, and storage inspection record.	Protect from moisture
Arrival inspection	Inspect container condition, seal, outer bags, moisture damage, caking, quantity, labels, and batch numbers immediately after delivery.	Photograph visible damage before unloading and notify the carrier, insurer, and seller within the contractually agreed claim period.	Arrival inspection report, photos, seal record, and weight verification.	Inspect promptly
Acceptance criteria	Acceptance should be based on the agreed specification, batch COA, sampling plan, packaging condition, and document completeness.	Define the remedy for nonconforming goods, including replacement, credit, reprocessing, or return, before shipment.	Purchase contract, quality agreement, approved specification, and dispute procedure.	Contractual control
Important compliance note	HS 2827.10 identifies the product category but does not by itself determine every import, safety, labeling, tax, or licensing requirement.	Final classification and import compliance should be confirmed with the destination customs authority, licensed customs broker, carrier, and applicable chemical regulator.	Written broker opinion or customs ruling where the shipment value, destination, or regulatory risk justifies it.	Final verification required