Material Master Data
Material master data is the controlled set of attributes describing every material used or produced at a site — code, name, unit of measure, specification reference, hazard class, storage conditions, approved suppliers, shelf life, sampling plan and regulatory classification.
Read the full summary
Defined under ANSI/ISA-95 Part 2 as the Material model, it is the single source of truth that recipes, work orders, inventory, QC and procurement all rely on — and the most common root cause of cross-system traceability failures when it is not governed.
On this page · 7 sections
How does Material Master Data apply to your shop floor?
Pick your industry and scale — Ask V5 rewrites the definition in your context, gives a worked example, and shows what V5 does on day one.
01What material master data is
Material master data is the per-material record (one row per material code) that every operational system inherits attributes from. It is the boundary object between procurement, QA, manufacturing, warehouse, finance and regulatory affairs. ISA-95 Part 2 specifies the model: a Material has identifiers (code, GTIN), descriptive properties (UoM, packaging), classifications (hazard, regulatory), quality data (spec reference, sampling plan, shelf life), commercial data (cost, approved suppliers) and locational data (storage conditions, default warehouse).
- One material code = one definition, used identically by every consuming system.
- Versioned and change-controlled — no silent edits in a production system.
- Owned by a named data steward, not 'whoever logged in last'.
- Linked to the controlled material spec for QC acceptance criteria.
- Embeds regulatory classification (controlled substance, allergen, animal origin, REACH SVHC).
02Minimum attribute set
| Attribute | Example | Why it matters |
|---|---|---|
| Material code | API-ASA-001 | Primary key across systems |
| Description | Acetylsalicylic acid USP/Ph. Eur., micronised | Human-readable identity |
| UoM (base) | kg | Issue/receipt math |
| Hazard class | GHS Cat 4 oral; not CMR | EHS controls |
| Storage | 15–25°C, dry, away from oxidisers | Warehouse + cold-chain rules |
| Shelf life | 36 months from manufacture | Expiry calc at receipt |
| Retest interval | 12 months | Auto-quarantine trigger |
| Spec reference | SPEC-ASA-001 rev 7 | QC acceptance criteria |
| Sampling plan | 100% identity + composite assay | Per 211.84 |
| Approved suppliers | Supplier A (rev 4), Supplier B (rev 2) | Receipt enforcement |
| Regulatory flags | USP/Ph. Eur. monograph compliant, vegan | Marketing + global registration |
03Governance and change control
- Master-data changes are change-controlled under the QMS — no production-system direct edits.
- Roles separated: data steward proposes; QA reviews; system owner approves.
- Audit trail captures every attribute change with prior value, new value, rationale, user and timestamp.
- Critical attributes (spec reference, shelf life, sampling plan, hazard class) trigger formal change control with impact assessment.
- Non-critical attributes (descriptive text, default warehouse) may follow a lighter workflow but still audit-trailed.
04Cross-system distribution
Material master is typically owned in one system — ERP, MES or a dedicated MDM platform — and distributed via integrations to the others. The golden rule: one master, many subscribers. Every consuming system pulls the canonical record; none edits it locally. When MES allows local material attribute edits, the result is inevitable drift — by month six, the recipe references a spec that no longer matches the QC system.
05Common mistakes
- Multiple material codes for the same physical material — 'just for this site' or 'just for this customer' — fragments inventory and breaks traceability.
- Free-text material descriptions used as identity — 'aspirin micronised' vs 'aspirin (micronised)' — collisions everywhere.
- Editing master data without change control — auditor finds a spec change that has no QMS record.
- No data steward — every team edits, nobody owns; quality of master deteriorates linearly.
- Approved-supplier list stored in procurement only — receipt does not enforce; unapproved suppliers slip through.
- Material codes recycled after material is discontinued — historic records refer to the wrong substance.
06Cross-industry examples
- Pharma — master includes USP/Ph. Eur. monograph references, controlled-substance schedule, narcotic flag.
- Biopharma — animal-origin attestation, TSE/BSE class, supplier-of-supplier transparency.
- Medical device — UDI-DI (Unique Device Identifier — Device Identifier) embedded in master; FDA GUDID linkage.
- Food — allergen matrix, kosher/halal status, country of origin, FSMA traceability code.
- Cosmetics — INCI name, IFRA allergen disclosures, MoCRA registration linkage.
- Cannabis — METRC strain/cultivar code, THC/CBD class, state-regulator material category.
07How V5 Ultimate handles material master data
Frequently asked questions
Q.Should ERP or MES own the material master?+
Whichever system the rest of the organisation will accept as canonical, typically ERP. MES then subscribes. The wrong answer is 'both edit independently' — that always produces drift.
Q.How do we handle materials sourced from multiple suppliers?+
One material code with multiple approved suppliers in the master. Lot-level data captures which supplier the specific lot came from. Splitting by supplier creates artificial code proliferation.
Q.What about variants — different particle sizes of the same chemical?+
Separate material codes. They are functionally different in the recipe and have different specs. Variant grouping is a higher-level construct (material family) but does not collapse the codes.
Q.How often should we review the master?+
Critical attributes: every change, immediately, via change control. Whole-record review: at least annually, often coupled with the supplier requalification cycle. Records for discontinued materials are archived not deleted.
Q.Can the master include cost data?+
Yes — finance attributes (standard cost, currency) live alongside operational ones. They are visible to roles that need them and hidden from operators who do not.
Primary sources
Further reading
Want to see how Material Master Data could fit into your own records and workflows? Explore the related V5 pages or talk to our team about what applies to your operation.