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Estimated doorstep delivery by 20 Nov - 22 Nov from USA
Support your lab with authentic USA glassware
StonyLab Glass Heavy Wall 2 Neck Round Bottom Flask, 250ml, is a durable borosilicate laboratory flask designed for chemical reactions, distillation, and reflux processes. Crafted from high-quality borosilicate glass, it offers excellent heat resistance and chemical stability, supporting routine laboratory heating up to 450°C. The two-neck design with 24/40 joints allows for versatile setups, including addition of probes or condensers. Imported directly from USA, this flask ensures authenticity and quality for Indian labs. Its stable construction and chemical resistance make it ideal for organic synthesis, solution preparation, and general heating reactions, supporting scientific research and industrial applications.
Laboratory reviews highlight its robustness during high-temperature reactions and ease of cleaning. The borosilicate glass withstands rapid temperature changes without cracking, ensuring safety and durability. Delivered via ExpressBox, it arrives factory-sealed with all duties paid, making it a reliable choice for Indian scientific institutions. The 1-year limited warranty provides additional assurance of quality and support for routine lab use.
Premium Borosilicate Glass for Laboratory Use
Constructed from high-grade borosilicate glass, this flask withstands thermal shocks and chemical exposure, ensuring durability and safety during complex reactions. Its design supports precise heating and mixing, making it a trusted choice for Indian research labs and industries.
Ideal for Routine Chemical and Scientific Work
Suitable for distillation, reflux, organic synthesis, and solution prep, this flask supports Indian labs' diverse needs. Its two-neck design allows for flexible setups, and imported quality guarantees consistent performance, with all duties included for hassle-free import.
Typical situations where StonyLab Glass Heavy Wall 2 Neck Round Bottom Flask 250ml | Borosilicate Labware for Chemical Reactions helps — illustrative scenarios, not customer reviews.
A chemistry researcher in Mumbai needs a durable flask for reflux experiments, supporting up to 450°C, with reliable joints and imported quality.
This borosilicate flask from USA, shipped via ExpressBox, supports high-temperature reactions, arrives factory-sealed, and lasts for years.
| Material | Borosilicate Glass |
| Reactions Supported | Distillation, reflux, organic synthesis, solution prep |
| Support Temperature | Up to 450°C |
| Shelf Life | Unopened: indefinite; use within 1 year of opening |
| Cost per use | ₹5,920 per flask |
| Reapplication math | N/A |
| Contraindications | Avoid sudden temperature changes |
| Allergens / Irritants | None |
| Feature | StonyLab Glass Heavy | Others |
|---|---|---|
| Material Quality | High-grade borosilicate glass, supports up to 450°C, chemical stability | Varies; often lower-grade glass, less heat resistant |
| Design & Joints | Two-neck design with 24/40 joints, versatile for setups | Single-neck or different joint sizes, limited setup options |
| Durability & Warranty | Made in USA, 1-year warranty, tested for chemical resistance | Limited warranty, variable quality standards |
| Price per Unit | ₹5,920 per flask | ₹2000-₹3000 for similar quality in India |
| SKU | ayh1915 |
| GTIN | 07426844814338 |
| Brand | stony lab |
| Capacity | 250 ml |
| Material | Borosilicate Glass |
| Shape | Round |
| Color | Clear |
About stonylab
StonyLab is a trusted US brand known for durable, high-quality lab glassware used worldwide in scientific research.
Compliance & Legal
This is a laboratory glassware product, support for chemical reactions, no medical or safety certifications required.
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This item:
StonyLab Glass Heavy Wall 2 Neck Round Bottom Flask 250ml | Borosilicate Labware for Chemical Reactions
5,920
This item
StonyLab Glass Heavy Wall 2 Neck Round Bottom Flask 250ml | Borosilicate Labware for Chemical Reactions
5,920
Total price:
13,180
You save 5,010 (28%) Extra3 items selected
3 items
13,180You save 5,010 (28%) Extra
| Attributes | Current |  |  |  | |||
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 5,920 9,150 | 3,480 5,040 | 3,780 4,000 | 2,900 4,090 | 4,340 6,520 | 4,940 5,850 | 35,280 68,950 |
| Brand Name | stonylab | Deschem | Deschem | Deschem | Deschem | Hyuduo | Welch Allyn |
| 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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