Stains, Fixatives and Laboratory Chemicals
Laboratory stains, fixatives and chemicals for hematology, microbiology, histology and general bench work - Gram and Wright-Giemsa stains, hematoxylin and eosin, 10% neutral buffered formalin, reagent solvents and buffers, ASTM-grade laboratory water and pH test papers from StatLab, Ricca Chemical, Poly Scientific and Hardy Diagnostics. Stocked in bench bottles through drum volumes, in ready-to-use and concentrate formats. Wholesale case pricing for hospitals, laboratories and pathology procurement.
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Stains, Fixatives and Chemicals for the Laboratory Bench
This section covers the reagent chemicals that stain, fix, buffer and dilute samples across hematology, microbiology, histology and general laboratory work. It groups staining solutions, tissue and cytology fixatives, solvents and buffers, purified water and pH measurement papers. Reagent grade, concentration and pack volume are tracked in the laboratory formulary because they affect test performance, hazardous shipping and shelf life.
Stains, Fixatives and Chemicals Subcategories
- Stains & Dyes - Gram, Wright-Giemsa, hematoxylin and eosin, acid-fast and special stains in ready-to-use and concentrate formats for hematology, microbiology and histology.
- Solvents, Buffers & Reagent Chemicals - Reagent-grade alcohols, xylene and xylene substitutes, phosphate and other buffers, and general bench chemicals.
- Fixatives & Formalin - 10% neutral buffered formalin, alcohol-based and cytology fixatives in bottles, prefilled containers and bulk volumes.
- Laboratory Water - ASTM Type I, II and III reagent water and USP purified water in bench bottles through carboys.
- pH Indicators & Test Papers - pH test strips, indicator papers and litmus in dispensers and rolls across narrow and full ranges.
Reagent Category Overview
| Category | Typical Use | Common Formats | Representative Brands |
|---|---|---|---|
| Stains and dyes | Hematology, microbiology, histology | Ready-to-use, concentrate | StatLab, Poly Scientific, Hardy |
| Solvents and buffers | Processing, dilution, pH control | Bottles, drums | Ricca, StatLab |
| Fixatives and formalin | Tissue and cytology fixation | Bottles, prefilled, bulk | StatLab, Ricca |
| Laboratory water | Reagent and dilution water | Bottles, carboys | Ricca, generic ASTM |
| pH papers | Rapid pH measurement | Strips, rolls, dispensers | Hydrion, generic |
Reagent Grade and Hazardous Handling
Products in this section carry the grade and safety attributes that reagent handling depends on. Stains and buffers are supplied in defined reagent grades so results stay consistent lot to lot, and many are stocked as both ready-to-use working solutions and concentrates. Formalin, alcohols and xylene are regulated hazardous materials, so pack sizes, SDS documentation and shipping follow DOT and OSHA hazard communication rules. Laboratory water is graded to ASTM Type I, II and III specifications by resistivity and total organic carbon.
Stains, fixatives and laboratory chemicals are a recurring reagent spend that tracks test and processing volume across the hematology, microbiology and histology benches. Because many of these SKUs are hazardous materials with defined shelf life, materials management teams balance standing orders against storage and expiration, and case pricing affects the per-test reagent cost across the laboratory. Order at the best Wholesale Prices with MAP Medical.
Frequently Asked Questions
What is the difference between a ready-to-use stain and a concentrate?
Ready-to-use stains are supplied as working solutions at final dilution for direct bench use, which simplifies handling and standardizes results. Concentrates are supplied at higher strength for dilution in-house, which reduces shipping volume and storage footprint for high-volume laboratories. The catalog stocks common stains such as Gram and Wright-Giemsa in both formats so a laboratory can match to its throughput and preparation workflow.
Is 10% neutral buffered formalin stocked in bulk?
Yes. 10% neutral buffered formalin is stocked in bench bottles, prefilled specimen containers and bulk drum volumes for histology and pathology. As a regulated hazardous material, formalin ships with SDS documentation under DOT and OSHA hazard communication rules, and pack sizes are stocked to match specimen volume from small biopsy labs to high-throughput pathology services.
What grades of laboratory water are available?
Laboratory water is stocked in ASTM Type I, II and III grades, defined by resistivity, total organic carbon and other purity parameters, along with USP purified water. Type I is used for the most sensitive applications, while Type II and III cover general reagent preparation, dilution and rinsing. Formats range from bench bottles to carboys for high-volume use.
Can hospitals and labs order stains and reagent chemicals in bulk?
Yes. Stains, fixatives and laboratory chemicals are stocked in case, bottle and drum quantities for hospitals, reference laboratories, pathology services, physician office labs and licensed distributors. Standing order programs are available for high-velocity reagents such as Gram stain sets, formalin and buffer solutions, coordinated with hazardous shipping requirements. Contact our procurement team for tiered case pricing and standing order setup.
What stains and chemicals should be in a laboratory formulary?
A core reagent formulary typically includes a Gram stain set and Wright-Giemsa for hematology and microbiology, hematoxylin and eosin for histology, 10% neutral buffered formalin, common alcohols and a xylene or xylene substitute, phosphate buffer, ASTM reagent water, and pH test papers. MAP Medical builds consolidated reagent formulary packages matched to bench menu and volume - contact our team for an assessment.