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Boiling Flasks
  1. Home
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  5. Lab Flasks
  6. Boiling Flasks
  7. Deschem 250ml 24/40…
Deschem

Deschem 250ml 24/40 Round Bottom Glass Flask 1-Neck | Borosilicate Lab Chemistry Glassware

Deschem 250ml 24/40 Round Bottom Glass Flask 1-Neck | Borosilicate Lab Chemistry Glassware - main product image
All-inclusive price — duties & taxes paid, no customs charges at delivery
₹3,480₹5,040

You save ₹1,560 (31%)

Qty
Deschem 250ml 24/40 Round Bottom Glass Flask 1-Neck | Borosilicate Lab Chemistry Glassware — 1L
1L
₹4,340
₹6,520
In Stock
Deschem 250ml 24/40 Round Bottom Glass Flask 1-Neck | Borosilicate Lab Chemistry Glassware — 250ml
250ml
₹3,480
₹5,040
In Stock

Estimated doorstep delivery by 20 Nov - 22 Nov from USA

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Support High-Temp Lab Reactions at Low Cost

About this item

Deschem 250ml round bottom flask is a borosilicate glass vessel designed for laboratory chemistry, available in India through crowcrowcrow, with high thermal resistance and durability.

Constructed from borosilicate 3.3 glass, it withstands high temperatures and thermal shocks, making it suitable for boiling, distillation, and mixing processes. The 24/40 ground joint ensures a secure fit with other lab apparatus, reducing leaks and spills. Reviewers in Indian research labs report consistent performance during high-temperature reactions, with no cracking or deformation.

Delivered via ExpressBox, this flask arrives factory-sealed, with all duties paid, ensuring authenticity and quality. Perfect for university labs, industrial research, and chemistry experiments, it offers reliable performance at competitive pricing, with delivery in 11-13 days.

Key Features

  • Made From Borosilicate Glass
  • Annealing Point ------560℃
  • Linear Coefficient of Expansion------ 32×10-7/℃
  • Softening Point------820℃
  • Single Neck
  • Round Bottom
  • 24/40 Joint
  • Capacity 250ml

Why choose this product

High-Quality Borosilicate Glass

Deschem flasks are crafted from borosilicate 3.3 glass, supporting high-temperature reactions and thermal shocks, ideal for precise lab work in India.

Designed for Lab Efficiency

The 24/40 ground joint and round bottom design facilitate easy mixing, boiling, and distillation, reducing reaction times and improving safety.

How to use

  • Handle with care during heating — Place the flask on a stable, even surface. Avoid sudden thermal shocks by heating gradually over a hot plate or direct flame.
  • Clean after use — Wash with lab-grade detergent, rinse thoroughly, and dry in dust-free environment. Do not expose to rapid temperature changes.
  • Store properly — Keep in a dry, dust-free cabinet. Use protective padding during transport or storage to prevent accidental breakage.

Example scenarios

Typical situations where Deschem 250ml 24/40 Round Bottom Glass Flask 1-Neck | Borosilicate Lab Chemistry Glassware helps — illustrative scenarios, not customer reviews.

1
Scenario 1
Illustrative example
Where it helps

Research lab in Mumbai needs durable flasks for distillation, with high thermal stability and reliable performance.

How this product helps

Deschem borosilicate flask supports high-temp reactions, arrives factory-sealed, with all duties paid, in 11-13 days.

Specifications

Composition

MaterialBorosilicate 3.3

Usage

Recommeded UseBoiling, distillation, mixing
Shelf LifeUnopened, factory-sealed
Reapplication mathN/A
ContraindicationsHandle with care, avoid sudden thermal shocks
Cost per use₹3,480 per flask

How we compare

FeatureDeschem 250ml 24/40Others
MaterialBorosilicate 3.3 glass, high thermal shock resistanceStandard soda-lime glass, less heat resistant
Capacity250ml, precise markings, ±5% accuracyGeneric 250ml, markings vary, less precise
Joint Size24/40 ground joint, secure fitStandard joint, may leak during reactions
Price per unit₹3,480 per flask₹300-₹600 per flask, varies by brand

Product details

SKUqjx9795
GTIN6971311076395
BrandDeschem
Capacity250ml
MaterialBorosilicate Glass
ShapeRound
Joint Size24/40

About Deschem

Deschem is a trusted name in laboratory glassware, known for high-quality borosilicate products used worldwide.

Compliance & Legal

This is a laboratory glassware product, designed for chemical reactions, with no specific regulatory certifications.

Customer Reviews

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FAQ, See What Others Asked

Is this flask safe for direct heating over a lab burner?
Yes, Deschem borosilicate 3.3 glass flasks are designed for direct thermal heating, supporting boiling and distillation in Indian labs without cracking or deformation.
How accurate are the capacity markings on this flask?
The markings provide an approximate volume estimate within ±5%, suitable for mixing and general lab use, not for precise volumetric measurements.
Can I use this flask for high-temperature reactions in India?
Yes, with a softening point of 820°C and annealing point of 560°C, it supports high-temperature lab reactions, including distillation and boiling.
How long does this flask take to arrive in India?
ExpressBox tracked shipping ensures delivery in 11-13 days, with all duties paid and the flask factory-sealed for authenticity.
What is the best way to clean and maintain this borosilicate flask?
Wash with lab-grade detergents, rinse thoroughly, and dry in a dust-free environment. Avoid sudden temperature changes to prevent stress cracks.
Is this flask suitable for distillation in Indian research labs?
Yes, its round bottom and borosilicate construction make it ideal for distillation, with high thermal stability and durability.

Frequently bought together

Deschem 250ml 24/40 Round Bottom Glass Flask 1-Neck | Borosilicate Lab Chemistry Glassware

This item:

Deschem 250ml 24/40 Round Bottom Glass Flask 1-Neck | Borosilicate Lab Chemistry Glassware

₹3,480

Deschem 250ml 24/40 Round Bottom Glass Flask 1-Neck | Borosilicate Lab Chemistry Glassware

This item

Deschem 250ml 24/40 Round Bottom Glass Flask 1-Neck | Borosilicate Lab Chemistry Glassware

₹3,480

Total price:

₹13,180

You save ₹5,010 (28%) Extra

3 items selected

3 items

₹13,180

You save ₹5,010 (28%) Extra

Product Comparison

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Spec
Price
₹3,480
₹5,040
₹5,920
₹9,150
₹3,780
₹4,000
₹2,900
₹4,090
₹4,340
₹6,520
₹34,320
₹37,900
₹10,250
₹11,140
Brand NameDeschemstonylabDeschemDeschemDeschemBOX USAGringoo
SourceUS RetailUS RetailUS RetailUS RetailUS RetailUS RetailUS Retail
Sold ByCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrow
Imported from USA
₹3,480₹5,040

You Save ₹1,560

Estimated doorstep delivery by 20 Nov - 22 Nov from USA
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