Caplugs® Evergreen
500 mL Specimen Containers, Screw Caps, PP, Natural — 220-9500-03K | 60/Bag | Caplugs® Evergreen
500 mL Specimen Containers, Screw Caps, PP, Natural — 220-9500-03K | 60/Bag | Caplugs® Evergreen
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Quick Reference
| Part Number | 220-9500-03K |
|---|---|
| Capacity | 500 mL |
| Material | Polypropylene (PP) |
| Color | Natural |
| Closure | Threaded wide-mouth neck with screw cap |
| Primary Use | Bulk environmental or regulatory sampling, media/reagent prep |
| Pack Size | 60/Bag |
| Sterility | Non-Sterile |
| Origin | Made in USA |
| Price | $108.58/Bag ($1.8096/ea) |
Technical Narrative
The Caplugs® Evergreen 220-9500-03K is a 500 mL Threaded Wide-Mouth Specimen Container in PP (Natural), packaged 60/Bag. The 500 mL wide-mouth format is the standard regulatory sampling volume for many environmental and food testing protocols — ASTM, EPA, and FDA method specifications frequently cite 500 mL as the minimum or standard collection volume for water, sediment, and food matrix testing. The wide-mouth opening and PP material combination provides the access and chemical resistance required for field sampling with organic preservatives and acidic reagents.
Polypropylene (PP): full organic solvent and preservative compatibility (formalin, HCl, H2SO4 preservatives), pH 2–12 resistance, ~80°C thermal rating for warmed reagent protocols. The wide-mouth threaded opening provides greater sample access than narrow-neck bottles and accepts a wide range of cap accessories. BPA-free, phthalate-free, FDA-compliant,
Procurement economics: $108.58/Bag, $1.8096/ea at 60/Bag. Size siblings: 220-9250-03K (250 mL PP 72/Bag); 220-9400-03K (400 mL PP 60/Bag); 220-9750-03K (750 mL PP 50/Bag). LabSupplies.com ships from USA inventory, typically same business day.
Technical Specifications
| Part Number | |
|---|---|
| Caplugs Item # | |
| Capacity | 500 mL |
| Closure | Threaded wide-mouth neck with screw cap |
| Material | Polypropylene (PP) |
| Color | Natural |
| Chemical Resistance | Full organic solvent / acid preservative compatible (PP) |
| Thermal Rating | ~80°C water bath |
| Sterility | Non-Sterile |
| Pack Size | 60/Bag (500 mL threaded wide-mouth specimen container, PP Natural, 60/Bag) |
| Application | Regulatory environmental sampling (EPA/FDA methods), water and food matrix testing |
| BPA / Phthalate | BPA-Free, Phthalate-Free, Latex-Free |
| Country of Origin | USA |
| Price | $108.58/Bag ($1.8096/ea) |
500 mL PP Threaded Wide-Mouth Specimen Container Applications
The is compatible with the following large-volume specimen collection and environmental testing workflows.
| Application | Setting / Configuration | Notes |
|---|---|---|
| Regulatory water sampling (EPA/FDA) | Field sampling, 500 mL standard | 500 mL is the standard volume in many EPA and FDA water test methods |
| Microbiological water testing | Field collection, AOAC/APHA methods | PP: compatible with sodium thiosulfate and other dechlorinating agents |
| Sediment / soil sampling | Environmental regulatory testing | 500 mL capacity for RCRA/CERCLA environmental samples |
| Composite food sampling | Food safety lab, 500 mL portions | Wide-mouth for direct food matrix transfer |
| Bulk media / reagent prep | Microbiology / chemistry lab | 500 mL PP for media preparation, acid digestion buffers |
| Sample storage | Shelf / refrigerator, 500 mL | Threaded cap: secure storage; PP: broad chemical resistance |
| Process / QC sampling | Pharmaceutical / industrial QC | Wide-mouth for viscous or particulate samples |
Chemical Resistance — Polypropylene (PP)
Compatibility reference for PP at typical laboratory conditions.
| Reagent / Condition | Compatibility | Notes |
|---|---|---|
| Aqueous buffers / saline | Excellent | Inert across pH 2–12. |
| Formaldehyde / formalin (10%) | Excellent | PP: full formalin compatibility. |
| Dilute HCl / H2SO4 (<10%) | Excellent | Compatible with standard acid preservatives for environmental sampling. |
| Methanol / acetonitrile (<100%) | Excellent | Full organic solvent compatibility. |
| Sodium thiosulfate | Excellent | Compatible with dechlorinating agents for water sampling. |
| Bouin's / picric acid fixatives | Excellent | PP compatible with picric acid-based histology fixatives. |
| Dichloromethane / chloroform | Not Compatible | Causes cracking; do not use. |
| Environmental matrices (water / soil / food) | Excellent | PP: standard material for environmental regulatory sampling. |
Clinical & Research Laboratory Applications
Caplugs® Evergreen 500 mL PP threaded wide-mouth specimen containers serve environmental regulatory compliance laboratories as the standard field sampling vessel for water, sediment, and food matrix regulatory programs. The 500 mL volume is specified in EPA 300.0 (ion chromatography), EPA 200-series metals methods, EPA 500-series organic methods, and FDA Bacteriological Analytical Manual methods for the minimum field collection volume. State environmental programs and certified drinking water laboratories standardize on 500 mL PP wide-mouth containers for compliance sampling submitted to state-certified labs. PP's full compatibility with sodium thiosulfate (for microbiological samples) and acid preservatives (for metals and organics) allows field preservation in the collection container without container change.
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 500 mL containers sterile?
No. Ships Non-Sterile. For sterility-required applications, use gamma-sterilized containers or aseptic technique.
Is the 500 mL PP container compatible with acid preservatives used in environmental sampling?
Yes. PP is fully compatible with standard field preservation reagents including hydrochloric acid (HCl), sulfuric acid (H2SO4), nitric acid (HNO3) at ≤10% concentration, and sodium thiosulfate for microbiological dechlorination. These are the primary preservatives specified in EPA, ASTM, and ISO water quality methods for metals, organics, nutrients, and microbiological parameters. PP's broad acid resistance makes it the standard material for field-preserved environmental samples.
Is the 500 mL container compliant with EPA and FDA sampling method container requirements?
PP 500 mL containers comply with EPA and FDA container material requirements for inorganic parameters, nutrients, and microbiological testing. For volatile organic compound (VOC) analysis, EPA methods specify glass VOA vials — PP is not suitable for VOC samples. Verify your specific method container requirement before standardizing.
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