Description
Product Overview
The Syracuse Watch Glass is a high‑quality, plain glass dish measuring 2 5⁄8 in (approximately 6.7 cm) in diameter. Manufactured by Carolina Biological Supply Company, a trusted name in scientific education since 1927, this watch glass offers exceptional clarity and durability. Made from premium borosilicate glass, it resists thermal shock and chemical corrosion, ensuring a long service life even under demanding laboratory conditions. The thin, flat design provides a stable surface for evaporating liquids, crystallization, and other routine procedures, while the smooth rim minimizes the risk of breakage during handling.
Usage
Designed for a wide range of laboratory applications, the Syracuse Watch Glass is ideal for chemistry experiments such as solvent evaporation, recrystallization, and thin‑layer chromatography. In biology labs, it serves as a convenient platform for observing specimens, preparing slides, or holding small samples during staining procedures. Its compact size makes it easy to store in standard glassware cabinets, and the plain surface ensures no interference with optical observations. Whether you are a high‑school teacher, a university researcher, or a hobbyist scientist, this watch glass fits seamlessly into your workflow.
Why Choose Us
Choosing the Syracuse Watch Glass means selecting a product backed by decades of expertise and a commitment to quality. Carolina Biological Supply Company provides unparalleled technical support from 8:00 am to 6:00 pm ET, Monday through Friday, and live chat assistance during business hours. Each watch glass undergoes rigorous inspection to guarantee uniform thickness and flawless clarity, reducing the likelihood of unexpected breakage. Additionally, the company’s extensive experience in educational science supplies ensures that the product meets both safety standards and pedagogical needs.
Key Features
- Premium borosilicate glass resists thermal shock and chemical attack for long‑lasting performance.
- Clear, flat surface provides optimal visibility for precise observation and measurement.
- Compact 2 5⁄8 in diameter fits easily into standard lab storage and workstations.
- Versatile design supports a variety of procedures in chemistry, biology, and teaching labs.
- Backed by expert technical support and a reputation for reliable scientific supplies.
FAQ
Can the watch glass be used for heating applications?
Yes, the borosilicate construction tolerates direct heating on a hot plate or over a Bunsen burner, making it suitable for gentle evaporation or drying tasks.
Is the watch glass compatible with standard laboratory glassware racks?
Its 2 5⁄8 in size is designed to nest securely in most standard glassware racks, allowing for organized storage and easy access.
How should the watch glass be cleaned after use?
Rinse with distilled water to remove residues, then wash with a mild laboratory detergent. For stubborn stains, a brief soak in a dilute acid solution followed by thorough rinsing is recommended.
What warranty or guarantee does Carolina Biological Supply provide?
Carolina Biological Supply offers a satisfaction guarantee and will replace any defective watch glass that does not meet their quality standards.





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