Fixatives and Formalin
Fixatives and formalin for histology, pathology and cytology - 10% neutral buffered formalin in bottles, prefilled specimen containers and bulk volumes, plus alcohol-based fixatives, cytology fixatives and specialty fixatives from StatLab, Ricca Chemical and Poly Scientific. Stocked in prefilled and bulk formats, in matched specimen-to-fixative ratios, with hazardous materials documentation. Wholesale case pricing for hospitals, pathology labs and clinical procurement.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Fixatives and Formalin for Tissue and Cytology Preservation
Fixatives preserve tissue and cellular samples by halting degradation and stabilizing structure ahead of processing and staining. The catalog groups these by chemistry - formalin-based, alcohol-based and specialty fixatives - and by prefilled versus bulk format. Fixative type and specimen-to-fixative ratio are tracked in the pathology formulary because they affect fixation quality and downstream molecular testing.
Fixative Lines Stocked
- 10% neutral buffered formalin - The standard histology fixative, stocked in bench bottles, prefilled specimen containers and bulk drum volumes in matched specimen-to-fixative ratios.
- Prefilled formalin containers - Specimen jars and biopsy vials prefilled with buffered formalin, from small biopsy sizes through large tissue containers, that reduce point-of-collection formalin handling.
- Alcohol-based fixatives - Ethanol and methanol-based fixatives for cytology and applications where formalin is not used.
- Cytology fixatives - Spray and immersion fixatives for conventional cytology smears and liquid-based preservative solutions.
- Specialty fixatives - Zinc formalin, Bouin solution and other specialty fixatives for defined histologic and research applications.
Fixative Format Overview
| Fixative | Application | Common Formats | Representative Brands |
|---|---|---|---|
| 10% neutral buffered formalin | Routine histology | Bottle, prefilled, drum | StatLab, Ricca |
| Prefilled formalin container | Point-of-collection fixation | Biopsy vial to large jar | StatLab, Simport |
| Alcohol-based fixative | Cytology, alternative fixation | Bottle, bulk | Ricca, Poly Scientific |
| Cytology spray fixative | Smear fixation | Aerosol, immersion | Multiple |
| Bouin / zinc formalin | Specialty histology | Bottle | StatLab, Newcomer |
Specimen-to-Fixative Ratio and Hazardous Handling
Fixative volume relative to specimen size is a tracked attribute, so prefilled containers are supplied in matched ratios that hold enough fixative for the specimen the container is sized for. Formalin is a regulated hazardous material and a listed carcinogen, so pack sizes, labeling, SDS documentation and shipping follow DOT and OSHA hazard communication rules, and prefilled sealed containers reduce open handling at the point of collection. Bulk formats with dispensing systems are stocked for high-throughput grossing stations.
Fixatives and formalin are a per-specimen reagent that tracks tissue and cytology accessioning volume across pathology. Because formalin is a hazardous, shelf-life-limited material, materials management teams balance prefilled container convenience against bulk economy and storage limits, and case pricing affects the per-specimen fixation cost for hospital and reference pathology services. Order at the best Wholesale Prices with MAP Medical.
Frequently Asked Questions
What is 10% neutral buffered formalin?
10% neutral buffered formalin is a formaldehyde solution buffered to near-neutral pH with phosphate, and it is the standard fixative for routine histology. The buffering prevents formalin pigment and helps preserve tissue morphology and antigenicity for downstream staining and molecular testing. The catalog stocks it in bench bottles, prefilled containers and bulk drums.
What is the difference between prefilled and bulk formalin containers?
Prefilled containers arrive with buffered formalin already sealed inside in a matched specimen-to-fixative ratio, which reduces open formalin handling at the point of collection and standardizes fixative volume. Bulk formalin is supplied in bottles and drums for filling containers in-house at a grossing station, which is more economical at high volume. The catalog stocks both so a facility can match to its workflow and exposure controls.
Are alcohol-based and specialty fixatives stocked?
Yes. Alongside neutral buffered formalin, the catalog stocks ethanol and methanol-based fixatives for cytology and alternative fixation, spray and immersion cytology fixatives for smears, and specialty fixatives such as Bouin solution and zinc formalin for defined histologic applications. This lets a laboratory supply both routine and specialty fixation from one catalog.
Can pathology labs order formalin and fixatives in bulk?
Yes. Fixatives and formalin are stocked in bottle, prefilled-container and drum quantities for hospitals, reference laboratories, pathology services and licensed distributors. Standing order programs are available for high-velocity SKUs such as prefilled formalin containers and bulk neutral buffered formalin, coordinated with hazardous shipping requirements. Contact our procurement team for tiered case pricing and standing order setup.
What fixatives should be in a pathology formulary?
A core fixative formulary typically includes 10% neutral buffered formalin in bulk and in prefilled biopsy and large-tissue containers, a cytology spray or immersion fixative, an alcohol-based fixative for cytology, and a specialty fixative such as Bouin or zinc formalin where the case mix requires it. MAP Medical builds consolidated fixative packages matched to specimen volume and exposure controls - contact our team for an assessment.