Best Lab Coplin Jars of 2025

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Lab Coplin jars are essential glass containers widely used in laboratories for various applications, including specimen storage and slide preparation. Typically made from durable borosilicate glass, these jars feature a tight-fitting lid that prevents contamination and evaporation. Their clear construction allows easy visibility of contents, making them ideal for monitoring samples. Lab Coplin jars are a staple for researchers and technicians, providing reliable performance and convenience in both educational and professional settings.
At a Glance: Our Top Picks
Top 10 Lab Coplin Jars
QWORK Coplin Staining Jar
The QWORK Coplin Staining Jar is a high-quality glass staining tank designed for laboratory use. With a generous capacity of approximately 60mL, this stain-resistant jar provides ample space to hold a sufficient amount of stain, reducing the need for frequent refills. The glass lid offers enhanced protection against dust impurity, ensuring the integrity of your staining solutions and maintaining reliable results throughout your experiments or research. The jar is capable of accommodating up to 5 slides vertically or 10 slides back-to-back, maximizing space usage during staining procedures. Crafted from durable soda-lime glass, this stain-resistant jar withstands staining from Eosin or Hematoxylin, ensuring long-lasting durability. The QWORK Coplin Staining Jar is a reliable and convenient tool for your laboratory staining needs.
Eisco Labs 3PK Coplin Jars
Eisco Labs offers the 3PK Coplin Jars, a set of high-quality polypropylene containers designed for staining slides in a laboratory setting. Each jar in this pack of three allows for complete submersion of slides, ensuring efficient and thorough staining. The jars are equipped with four grooves, which separate each slide and allow for two slides to be placed back to back in each groove. With a capacity to hold 5-10 slides, these containers are perfect for accommodating 3" x 1" slides. Made of autoclavable and microwavable polypropylene, these jars are easy to clean and sterilize. With their threaded screw top, they provide a secure closure. The compact size of each Coplin jar, measuring approximately 4.50" tall and 2.36" wide, makes them easy to handle and store.
Karter Scientific 214I4 Coplin Staining Jar
The Karter Scientific 214I4 Coplin Staining Jar is a convenient and efficient tool for laboratory use. With a 5-slide capacity, this glass jar allows you to stain multiple slides at once, saving you time and effort. The slots on the side of the jar hold the slides upright, ensuring they stay in place during the staining process. Made from soda-lime glass, the jar is resistant to staining from Eosin or Hematoxylin, ensuring the longevity of the product. With a 60mL capacity, the jar can hold an ample amount of stain, allowing you to complete multiple staining procedures without the need for constant refills. The Karter Scientific Staining Jar is a reliable and practical choice for any laboratory.
Sieral 6-Piece Staining Jars
The Sieral Staining Jars are designed to enhance your staining experience in the lab. With a generous 60 ml capacity, each jar allows you to perform staining with reliability and ease. You can efficiently process up to five slides at once, saving you valuable time during experiments. Made from durable sodium calcium glass, these jars ensure longevity and withstand repeated use. Each jar also features a protective glass lid, which keeps your dyes safe from dust and impurities, maintaining their integrity for better results.
SP Bel-Art Coplin Staining Jar
The SP Bel-Art Staining Jar is a durable polypropylene jar designed for convenient slide staining in laboratory settings. With a larger opening compared to the classic coplin staining jar, this jar offers more convenience when it comes to slide staining. The sealing ring ensures that the jar is watertight, preventing any leakage. It has a capacity to store up to 10 standard slides, making it ideal for larger workloads. Additionally, this jar is autoclavable, allowing for easy sterilization. Overall, the SP Bel-Art Staining Jar combines durability, convenience, and functionality to provide an efficient solution for slide staining in the lab.
Bartovation Coplin Jar 12 Pack
The Bartovation Coplin Jar is designed to enhance your slide staining and washing experience. With its unique grooves, it allows you to fully submerge up to 10 slides, keeping them organized and separated during the process. This feature is particularly useful for preventing cross-contamination. The autoclavable design ensures that you can easily sterilize the jar for safe reuse. Its sturdy polypropylene construction means it can withstand regular lab use. Measuring approximately 4.50 inches in height, it is compact yet spacious enough to accommodate slides effectively.
EISCO Polypropylene Coplin Jar
The EISCO Coplin Jar is designed for efficient slide staining, accommodating 5 to 10 slides with ease. Its unique grooved interior allows you to submerge each slide completely, ensuring even staining. You can place two slides back-to-back in each groove, maximizing the jar's capacity. The jar features a secure threaded screw top, making it autoclavable for easy sterilization. With a compact size of approximately 4.50 inches tall and a diameter of 2.36 inches, this polypropylene jar is perfect for lab use, providing convenience and reliability for your staining needs.
Eisco Labs Coplin Staining Jar
The Eisco Labs Coplin Staining Jar is a glass jar with a moulded glass cover designed for physics and educational uses. It can fit up to 5 staining slides measuring 76x25mm. This staining jar is perfect for laboratory experiments and educational demonstrations. The glass jar and cover provide a secure and protective environment for the slides, preventing contamination and damage. With its compact size of 4.25" tall, it is easy to handle and store. The Eisco Labs Coplin Staining Jar is a convenient tool for staining slides, allowing you to easily observe and analyze samples in a controlled and organized manner.
Wheaton 900620 Glass Coplin Jar
The Wheaton Coplin Staining Jar is designed to hold and store your slides efficiently. With the capacity for 8 slides vertically or 16 slides back-to-back, it maximizes your storage options. The wide opening of the jar allows for easy transfer of slides, making your workflow smoother. Additionally, the slots on the sides keep your slides upright, ensuring they stay organized and accessible. Made from soda-lime glass, this jar is resistant to staining from common dyes like Eosin and Hematoxylin, while the lid helps minimize evaporation of stains, preserving your samples longer.
QWORK Glass Slide Staining Jar, 2 Pack
The QWORK Staining Jar Set is designed for your convenience, holding up to 10 slides for various staining tasks. Made from high-quality soda-lime glass, these jars ensure durability and long-term use. You’ll appreciate the thick walls and wide base that enhance stability, preventing any accidental spills during your work. Additionally, the stain-resistant design allows for accurate results with Eosin or Hematoxylin, making your staining procedures more consistent and reliable. This set is perfect for both teaching and scientific research, providing you with a versatile tool for precise staining.
Frequently Asked Questions (FAQs)
1. What is the function of a coplin jar in the laboratory?
Coplin jars have multiple functions in the laboratory. They can be used for pre-staining with an alcohol buffer, allowing easy manipulation of slides held vertically. Coplin jars can also serve as preparation chambers for micro-thin-layer chromatography.
2. What are the advantages of a coplin jar?
Coplin jars offer several advantages. They come with a screw-on top that prevents spills and evaporation, ensuring the integrity of the staining process. Each jar can hold five single slides or ten back-to-back, providing ample capacity for laboratory needs.
3. What is the content of a coplin jar?
A coplin jar typically contains 95% ethanol as a fixative. It may also include an endocervical brush and an Ayre wooden spatula, depending on the specific laboratory requirements.
4. What fixative is used in a coplin jar?
A coplin jar commonly contains 95% alcohol as a fixative. This type of fixative is suitable for specimens submitted on slides, such as pap smears, fine needle aspiration (FNA) specimens, and endoscopic brushing specimens. The slides should be immersed in the alcohol for a minimum of 15 minutes.
5. What is the purpose of a staining jar?
Staining jars are primarily used to stain cells and tissues on glass microscope slides. Each type of stain is typically used in a separate dish, as staining enhances visibility and differentiation of cellular structures under a microscope.
6. What is the size of a coplin jar?
A coplin jar is approximately 2.25" in length, 1.5" in width, and 4" in height. It is made of flint-glass and is commonly used in histology and tissue staining applications.
During our lab coplin jar research, we found 24 lab coplin jar products and shortlisted 10 quality products. We collected and analyzed 3,057 customer reviews through our big data system to write the lab coplin jars list. We found that most customers choose lab coplin jars with an average price of $24.54.
The lab coplin jars are available for purchase. We have researched hundreds of brands and picked the top brands of lab coplin jars, including QWORK, EISCO, Karter Scientific, Sieral, SP Scienceware. The seller of top 1 product has received honest feedback from 2,343 consumers with an average rating of 4.9.

Brian Howie is a content writer and senior industrial designer. After graduation from Westminster College, he has been engaged in product design and manufacturing for 18 years. Brian Howie has always found great pleasure in designing industrial products and sharing his ideas and experience online.