Caplugs® Evergreen
Caps, Screw Caps, PPC, Red — 222-5450-R8S | 10/Bag | Caplugs® Evergreen
Caps, Screw Caps, PPC, Red — 222-5450-R8S | 10/Bag | Caplugs® Evergreen
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Quick Reference
| Part Number | 222-5450-R8S |
|---|---|
| Product Line | Slide-Fix™ |
| Product Type | PAP jar — Coplin-style slide staining jar |
| Material | Polypropylene Copolymer (PPC) |
| Jar Color | Natural (transparent) |
| Cap Color | Red |
| Cap Convention | Red cap — high-visibility alert color; often assigned to fixatives, hazardous reagents, or first-step solutions requiring extra attention |
| Slide Capacity | Up to 10 standard microscope slides (on edge) |
| Pack Size | 10/Bag Assembled |
| Sterility | Sterile |
| Origin | Made in USA |
| Price | $165.30/Bag ($16.5300/jar) |
Technical Narrative
The Caplugs® Evergreen 222-5450-R8S is a Slide-Fix™ PAP Jar with Red Cap in PPC (Natural body), sterile, 10/Bag Assembled. Red cap — high-visibility alert color; often assigned to fixatives, hazardous reagents, or first-step solutions requiring extra attention The Slide-Fix™ PAP jar color set (8 colors: Natural, Blue, Orange, Green, Fuschia, Lavender, Red, Yellow) provides the most comprehensive slide staining jar color-coding palette in the Caplugs Evergreen catalog — enabling differentiation of up to 8 reagents simultaneously on the histology or cytology staining bench.
PPC jar body: optical clarity for reagent level and slide position monitoring, full chemical resistance to standard histology reagents (formalin, ethanol series, hematoxylin, eosin, xylene substitutes, IHC reagents), secure screw cap for volatile reagent containment. Sterile 10/Bag assembled. BPA-free, phthalate-free,
Procurement economics: $165.30/Bag (10 jars), $16.5300/jar. Color set: 222-5450-08S (Natural); 222-5450-B8S (Blue); 222-5450-E8S (Orange); 222-5450-G8S (Green) + 3 more. LabSupplies.com ships from USA inventory, typically same business day.
Technical Specifications
| Part Number | |
|---|---|
| Caplugs Item # | |
| Product Line | Slide-Fix™ |
| Product Type | PAP jar / Coplin-style slide staining jar |
| Material | Polypropylene Copolymer (PPC) |
| Jar Body Color | Natural (transparent) |
| Cap Color | Red |
| Cap Convention | Red cap — high-visibility alert color; often assigned to fixatives, hazardous reagents, or first-step solutions requiring extra attention |
| Slide Capacity | Up to 10 standard 25 × 75 mm microscope slides |
| Closure | Red PPC screw cap — pre-assembled |
| Sterility | Sterile |
| Pack Size | 10/Bag Assembled |
| BPA / Phthalate | BPA-Free, Phthalate-Free, Latex-Free |
| Country of Origin | USA |
| Price | $165.30/Bag ($16.5300/jar) |
Slide-Fix™ PAP Jar — Red Cap Applications
The red-capped Slide-Fix™ PAP jar is compatible with the following histology, cytology, and molecular pathology slide staining workflows.
| Application | Setting / Configuration | Notes |
|---|---|---|
| Fixative (formalin) | Histology bench, formalin fixation jar | Red cap: alert color for formalin fixative hazard identification |
| Hazardous reagent marker | Any hazardous staining reagent | Red: universal hazard-associated color for dangerous reagents |
| Eosin (alternate assignment) | H&E staining, eosin immersion | Red for eosin when orange/fuschia are used elsewhere |
| Strong acid / mordant | Lugol's iodine, iron mordant for Masson's | Red cap for acid or mordant solutions |
| Xylene (neat, brief use) | Clearing agent, deparaffinization | Red cap: hazard identification for xylene-containing jar |
| FISH stringency wash | Post-hybridization stringency wash | Red: distinctive for stringency wash in FISH workflow |
| IHC substrate (chromogenic) | DAB, AEC, or other chromogenic substrate | Red for chromogenic substrate jar |
Chemical Resistance — Polypropylene Copolymer (PPC) — Histology Reagent Compatibility
Compatibility reference for PPC at typical laboratory conditions.
| Reagent / Condition | Compatibility | Notes |
|---|---|---|
| Formalin / formaldehyde (10%) | Excellent | PPC: full formalin compatibility for slide fixation. |
| Ethanol (70–100%) | Excellent | PPC compatible with full dehydration ethanol series. |
| Xylene substitutes | Excellent | PPC compatible with standard xylene substitutes. |
| Hematoxylin / eosin | Excellent | H&E staining reagents fully compatible. |
| Methanol / isopropanol | Excellent | PPC: full methanol compatibility. |
| IHC antibodies / buffers | Excellent | PBS, TBS, antibody diluent all compatible. |
| Xylene (neat) | Limited | Brief contact acceptable; avoid extended xylene immersion. |
| Concentrated H2SO4 / NaOH | Limited | Avoid concentrated acids or bases. |
Clinical & Research Laboratory Applications
Caplugs® Evergreen Slide-Fix™ PAP jars with red caps serve anatomic pathology, toxicology, and safety-conscious histology laboratories that assign hazard-associated colors to containers requiring extra handling awareness. Red cap jars are commonly designated for formalin (10% NBF), xylene-containing solutions, strong acid mordants, or other hazardous reagents where a universally recognized warning color prompts extra care during handling. In H&E staining protocols where color-coded jars are used to pace technicians through the sequence, red may mark the final step (eosin) or a time-sensitive immersion requiring precise timing.
U.S. Manufacturing, Quality & Institutional Procurement
Caplugs® Evergreen products are manufactured in the United States under ISO 9001 quality management from FDA-compliant, food-contact-grade resins. BPA-free, phthalate-free, and latex-free, with material-disclosure documentation supporting CAP, CLIA, and ISO 15189 laboratory accreditation audits.
LabSupplies.com is an authorized dealer for the full Caplugs Evergreen catalog and ships directly from USA inventory — typically same business day for stocking SKUs. We offer below retail pricing on volume orders, tiered institutional and academic pricing, and direct support for grant-funded laboratories and government procurement channels. Lab managers and procurement officers can request a written quote or speak with a product specialist directly from our sales engineering team.
Frequently Asked Questions
Are the Slide-Fix™ PAP jars sterile?
Yes. Sterile — packed 10/Bag Assembled.
What is the complete Slide-Fix™ PAP jar color set?
Eight colors: Natural (222-5450-08S), Blue (222-5450-B8S), Orange (222-5450-E8S), Green (222-5450-G8S), Fuschia (222-5450-K8S), Lavender (222-5450-L8S), Red , Yellow (222-5450-Y8S). All are identical PPC jars at the same price — only the cap color differs.
Is there a standard color convention for Slide-Fix™ PAP jar reagent assignment?
There is no universal mandated convention — each laboratory assigns reagents to cap colors per their own SOP. Common practices include: Red/Orange for fixatives or hazardous reagents; Blue for wash buffers; Lavender for antibody solutions; Yellow for substrates; Natural for neutral or final rinse solutions. The eight-color set allows each lab to establish and document their own color-coding scheme that fits their specific staining protocols.
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