| Petrochemical producer or refinery-linked supplier | Bulk industrial use and recurring large-volume supply | Confirm the contracted n-hexane assay and limits for other hydrocarbons; values are product- and contract-specific. | Reference normal boiling point: approximately 68.7°C for n-hexane; check the stated test method and permitted distillation range. | Current SDS, batch COA, product specification, and origin or compliance documents where applicable. | Verify batch consistency, loading controls, transport compatibility, and delivery terms. |
| Regional bulk-solvent distributor | Drummed or intermediate-volume orders with local delivery | Match the offered commercial or technical grade to the buyer’s written assay and impurity limits. | Check the COA for the measured boiling or distillation range; do not treat the reference value as a guaranteed batch result. | SDS, batch COA, packaging details, and traceability information from the original source. | Confirm sealed packaging, batch identification, storage conditions, and local hazardous-goods delivery capability. |
| Laboratory reagent supplier | Laboratory testing, analytical work, or small-pack requirements | Select the stated reagent or analytical grade and review its assay and method-specific impurity limits. | Use 68.7°C as the approximate normal boiling-point reference; assess the supplier’s stated test method and limits. | SDS, lot-specific COA, grade specification, and analytical-method information if relevant. | Check intended-use suitability, container size, lot documentation, and any method-specific background or residue requirements. |
| Specialty chemical distributor | Applications requiring tighter, explicitly agreed impurity controls | Specify assay, relevant isomer or hydrocarbon limits, water content, and any application-specific criteria before ordering. | Compare the COA result with the contractual boiling or distillation specification and test method. | SDS, batch COA, full specification, and change-control or traceability records when required. | Agree acceptance limits, sampling procedure, retest policy, and change notification terms in writing. |
| Importer or cross-border chemical trader | International sourcing where origin, customs, and logistics are central | Confirm the exact product identity, grade, assay basis, and specification attached to the shipped batch. | Check that the batch COA reports a compatible boiling or distillation test; n-hexane’s normal boiling point is approximately 68.7°C. | SDS, batch COA, transport documentation, country-of-origin information, and applicable customs or regulatory paperwork. | Validate dangerous-goods classification, packaging compliance, import requirements, lead time, and chain of custody. |
| Buyer note: Supplier channels are presented as sourcing categories, not as a ranked or independently verified list of companies. n-Hexane is highly flammable and can pose serious health risks; review the current SDS and applicable workplace, transport, and environmental requirements. Confirm all acceptance limits against the specific product specification and batch COA. |