Research lab in Mumbai conducting distillation of organic solvents, needing durable borosilicate flask.
This flask withstands 450°C, supports reflux, and arrives factory-sealed in 11-13 days, saving costs on replacements.
You save 3,440 (37%)
37% off the seller list price
Estimated doorstep delivery by 10 Nov - 12 Nov from USA






Support Your Lab with Authentic USA Equipment
StonyLab Glass Heavy Wall 2 Neck Round Bottom Flask is a durable borosilicate labware designed for chemical distillation, reflux, and synthesis. Its two-neck configuration with 24/40 joints allows versatile experimental setups, ensuring stability and chemical resistance in Indian laboratories.
Made of high-quality borosilicate glass, this flask withstands temperatures up to 450°C, enabling safe heating and chemical reactions. The design supports quick temperature changes within 140°C, making it suitable for routine lab procedures. Reviewers appreciate its sturdy build and reliable performance for organic and inorganic experiments.
Imported directly from the USA, this lab flask arrives factory-sealed with all duties paid, ensuring authenticity and quality. Perfect for educational, research, and industrial labs across India, it offers a cost-effective, durable solution for precise chemical work.
High-Quality Borosilicate Glass
Constructed from ASTM E438 Type I Class A borosilicate, this flask offers excellent chemical stability and heat resistance, outperforming local alternatives. Its design ensures durability during routine laboratory procedures, backed by a 1-year manufacturer warranty.
Ideal for Indian Laboratory Use
Supports distillation, reflux, and synthesis in Indian labs with temperatures up to 450°C. Its two-neck design allows multiple setups, making it suitable for educational, research, and industrial applications. Skip if you need larger capacities or different joint sizes.
Typical situations where StonyLab Glass Heavy Wall 2 Neck Round Bottom Flask 100 ml | Borosilicate Lab Flask for Chemical Reactions helps — illustrative scenarios, not customer reviews.
Research lab in Mumbai conducting distillation of organic solvents, needing durable borosilicate flask.
This flask withstands 450°C, supports reflux, and arrives factory-sealed in 11-13 days, saving costs on replacements.
Educational institute in Delhi performing organic synthesis experiments with students.
Heavy wall borosilicate design ensures safety and durability, with reliable performance for daily lab use.
| Material | ASTM E438 Type I Borosilicate Glass |
| Support Temperature | Up to 450°C |
| Reheating Tolerance | Within 140°C |
| Shelf Life | Unopened: indefinite; use within 1 year of opening |
| Reapplication | Supports routine heating and cooling cycles |
| Support Voltage | Not applicable |
| Cost per use | ₹5,870 per flask |
| Feature | StonyLab Glass Heavy | Others |
|---|---|---|
| Material Quality | ASTM E438 Type I borosilicate glass, heat resistant up to 450°C | Local flasks often use generic glass with lower heat tolerance (~300°C) |
| Joint Compatibility | 24/40 standard joints for versatile lab setups | Many local flasks have non-standard or smaller joints, limiting compatibility |
| Price per Unit | ₹5,870 per flask | Local flasks typically sell at ₹1500-₹2500 for similar capacity |
| Temperature Support | Supports up to 450°C with stable operation | Most local flasks support only up to 300°C, limiting reaction scope |
| SKU | ybe5387 |
| GTIN | 07426844814321 |
| Brand | stonyLab |
| Capacity | 100 ml |
| Material | Borosilicate Glass |
| Neck Diameter | 24 mm |
| Joints | 24/40 center and side |
About stonylab
StonyLab specializes in high-quality scientific glassware, trusted globally for durability and precision in laboratory research and education.
Compliance & Legal
This is a laboratory glassware product, suitable for chemical experiments. No medical or safety certifications required.
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This item:
StonyLab Glass Heavy Wall 2 Neck Round Bottom Flask 100 ml | Borosilicate Lab Flask for Chemical Reactions
5,870

This item
StonyLab Glass Heavy Wall 2 Neck Round Bottom Flask 100 ml | Borosilicate Lab Flask for Chemical Reactions
5,870
Total price:
18,040
You save 9,220 (34%) Extra3 items selected
3 items
18,040You save 9,220 (34%) Extra
| Attributes | Current ![]() | ![]() | ![]() | ![]() | ![]() | ||
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 5,870 9,310 | 4,340 6,520 | 7,830 11,430 | 1,860 1,970 | 2,470 3,550 | 17,560 26,020 | 3,360 3,500 |
| Brand Name | stonylab | Deschem | stonylab | uxcell | DERNORD | ALLIGARE | JorVet |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
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