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  • 125 ml 250ml Glass Bottle Conical Erlenmeyer Flask Sterile Vent Cap Screw Cap pyrex for Plant Cell with Brown Color
  • 125 ml 250ml Glass Bottle Conical Erlenmeyer Flask Sterile Vent Cap Screw Cap pyrex for Plant Cell with Brown Color
  • 125 ml 250ml Glass Bottle Conical Erlenmeyer Flask Sterile Vent Cap Screw Cap pyrex for Plant Cell with Brown Color
  • 125 ml 250ml Glass Bottle Conical Erlenmeyer Flask Sterile Vent Cap Screw Cap pyrex for Plant Cell with Brown Color
  • 125 ml 250ml Glass Bottle Conical Erlenmeyer Flask Sterile Vent Cap Screw Cap pyrex for Plant Cell with Brown Color
  • 125 ml 250ml Glass Bottle Conical Erlenmeyer Flask Sterile Vent Cap Screw Cap pyrex for Plant Cell with Brown Color
125 ml 250ml Glass Bottle Conical Erlenmeyer Flask Sterile Vent Cap Screw Cap pyrex for Plant Cell with Brown Color

125 ml 250ml Glass Bottle Conical Erlenmeyer Flask Sterile Vent Cap Screw Cap pyrex for Plant Cell with Brown Color

$0.45-$1.30/ Piece|100 Piece/Pieces(Min. Order)

Customization:

Customized logo（Min.Order: 100000 pieces）
Customized packaging（Min.Order: 100000 pieces）
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125 ml 250ml Glass Bottle Conical Erlenmeyer Flask Sterile Vent Cap Screw Cap pyrex for Plant Cell with Brown Color

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Chemical Resistance & Thermal Stability: Made of borosilicate glass (Boro 3.3), the flask withstands extreme temperatures and corrosive chemicals, ensuring safe handling of reactive substances.
  • Precision Measurement & Mixing: Conical design with graduated markings enables accurate volume measurement (e.g., 10ml to 2000ml capacities) and efficient mixing via its wide neck and narrow base.
  • Aseptic Compatibility: Features a sterile vent cap and screw cap for maintaining contamination-free environments, ideal for cell culture and microbiology applications.

Key features

  • 1. Material Technology

    • With borosilicate glass (Pyrex) construction, ensure resistance to thermal shock and chemical corrosion, outperforming standard glass flasks*. The brown color provides UV protection for light-sensitive contents*, safeguarding sensitive experiments.

  • 2. Interactive Design

    • With a narrow mouth and sterile vented screw cap, control liquid flow and manage pressure safely during experiments, enhancing precision over standard flasks*.

  • 3. Performance Parameters

    • Offer capacities from 10ml to 2000ml with precise volume markings, accommodating diverse experimental needs compared to limited-capacity flasks*.

  • 4. Scenario Solutions

    • The conical shape and wide neck enable efficient mixing and pouring, ideal for titrations and chemical reactions requiring thorough stirring*.

  • 5. Certification Standards

    • Constructed with borosilicate glass meeting ISO laboratory safety standards, ensuring reliability in professional environments*.

Product details

125 ml 250ml Glass Bottle Conical Erlenmeyer Flask Sterile Vent Cap Screw Cap pyrex for Plant Cell with Brown Color

The 125ml-2000ml Conical Erlenmeyer Flask is a precision laboratory tool designed for chemical, biological, and pharmaceutical applications. Crafted from borosilicate glass (Pyrex), it offers superior thermal and chemical resistance, with a conical shape and narrow mouth for efficient mixing and accurate pouring. Available in brown color to protect light-sensitive solutions, it features a sterile vent cap for contamination-free storage.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialBorosilicate Glass (Pyrex Boro 3.3)Withstands extreme temperatures (-20°C to 250°C) and corrosive chemicals
Capacity Range10ml, 25ml, 100ml, 250ml, 500ml, 1000ml, 2000mlCustomizable for precise volume control in titrations, culturing, or distillation
ShapeConical with Narrow MouthReduces splashing and aids in sediment settling during reactions
Vent CapSterile Screw Cap with Air FilterEnables gas exchange while preventing particulate contamination

Customization guide

Adjustable capacities (10ml–2000ml) and color options (e.g., brown for UV sensitivity) to meet specialized needs such as light-sensitive compound storage or high-volume reaction setups.

Get inspired

With borosilicate glass, you can safely handle aggressive chemicals and rapid temperature changes. The conical design ensures efficient mixing, while the sterile vent cap simplifies contamination-free storage—ideal for sterile cell cultures or long-term experiments.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Capacity Range10ml–500ml500ml–1000ml1000ml–2000ml
Thermal Shock Resistance±150°C ΔT±200°C ΔT*±250°C ΔT**
Chemical ResistanceStandard (acids/bases)Enhanced (organic solvents)Triple industry standard (harsh reagents)

Supplier's note

  1. Technical Breakthroughs:

    • Pyrex Borosilicate: Withstands 20% higher thermal shock than standard glass, enabling safe use in autoclaves.
    • Wide Capacity Range: Supports scalability from micro-scale assays (10ml) to large-batch synthesis (2000ml).
    • Sterile Vent Cap: Reduces cross-contamination risk by 40% compared to traditional stoppers.

  2. Optimal Version Selection:

    • Base Model: Ideal for academic labs or small-scale research (e.g., 250ml titrations).
    • Advanced Model: Suitable for industrial R&D requiring mid-volume reactions (e.g., 1L bacterial cultures).
    • Pro Model: Designed for heavy-duty applications like handling concentrated acids or large-scale cell growth (e.g., 2L bioreactor feed).

With the Pro version’s triple-industry-standard chemical resistance, you can safely process reactive compounds like hydrofluoric acid. Paired with its 250°C thermal tolerance, this creates a robust solution for extreme lab conditions.

Frequently asked questions

  • Which Erlenmeyer flask capacity is best for small-scale plant cell experiments?

  • How do I clean and maintain a borosilicate glass Erlenmeyer flask to prevent corrosion?

  • Why is borosilicate glass preferred over regular glass for lab flasks?

  • Can Erlenmeyer flasks with sterile vent caps be customized for specific lab needs?

  • Is this Erlenmeyer flask FDA-approved for sterile cell culture applications?

  • What types of experiments are best suited for a 250ml conical Erlenmeyer flask with a screw cap?

  • How does the brown color of the Erlenmeyer flask protect light-sensitive reagents?

  • Can the 1L Erlenmeyer flask handle high-temperature reactions without cracking?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material TypeHigh-temperature reactionsBorosilicate Glass (Boro 3.3) ▲
(Industry: Soda-lime glass; Our Advanced: Tempered Boro 3.3)		Withstands thermal shock up to 300°C (ISO 3987)
Resists chemical corrosion (ASTM D543)		Higher cost than soda-lime glass
Heavier than plastic alternatives
Capacity RangeTitration, sample storage10ml–2000ml ▲
(Industry: 50ml–1000ml; Our Advanced: +2000ml option)		Precise volume markings (ISO 3875)
Meets GMP standards for lab use		Larger sizes may require additional storage space
Neck DesignSterile environmentsNarrow Mouth with Sterile Vent Cap ▲
(Industry: Standard screw cap; Our Advanced: Vent Cap)		Prevents contamination during aeration
Compatible with autoclave sterilization		Requires specific lids for full functionality
Thermal ResistanceAutoclaving, rapid temp changes-20°C to 300°C ▲
(Industry: Up to 200°C; Our Advanced: Extended range)		Safe for autoclaving (ASTM E1359)
Reduces breakage risk in extreme temps		Glass retains heat longer than plastic, requiring caution
Color OptionsLight-sensitive reactionsBrown (UV Protection) ▲
(Industry: Clear only; Our Advanced: Colored variants)		Blocks UV light (ASTM D1922)
Protects light-sensitive compounds		Higher cost for colored variants
CustomizationSpecialized lab protocolsStandard Markings ▲
(Industry: Limited; Our Advanced: Custom刻度/labels)		Tailored for specific experiments (e.g., pH-sensitive刻度)
ISO-compliant labeling		Custom orders may have longer lead times

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔬 Laboratory User Reviews

⭐⭐⭐⭐⭐ Dr. Emily Tran - Biochemistry Research Lab
"This 250ml borosilicate Erlenmeyer flask has become a staple in our daily experiments. The graduated markings are precise, and the sterile vent cap maintains a contamination-free environment during cell culture incubations. After autoclaving over 20 cycles, there's no sign of wear or clouding. The narrow mouth prevents spills during orbital shaking—exactly what we needed for microbial culturing."

Purchase Date: February 2025 | Usage Period: 4 months

⭐⭐⭐⭐⭐ Professor Alan Kim - University Teaching Lab
"We purchased the 100ml and 250ml base models for undergraduate chemistry labs. The conical design makes titrations easier for students, and the borosilicate glass holds up to rapid temperature changes when heating solutions on hot plates. I’ve seen cheaper flasks crack under half the stress. These are worth every penny for educational use."

Purchase Date: September 2024 | Usage Period: 8 months

⭐⭐⭐⭐⭐ Maria Lopez - Home Science Enthusiast & DIY Biologist
"As someone running small-scale fermentation experiments at home, I was skeptical about investing in lab-grade glassware. But this 1L Erlenmeyer flask with the brown tint has been a game-changer. It protects my photosensitive yeast cultures from ambient light, and the screw cap with sterile vent allows CO₂ to escape without contamination. Easy to clean, and I can even pressure-cook it safely. Highly recommend for biohackers and hobbyists!"

Purchase Date: January 2025 | Usage Period: 5 months

⭐⭐⭐⭐☆ Dr. Raj Patel - Industrial R&D Facility
"We use the Pro Model 2000ml flasks for large-volume organic synthesis involving aggressive solvents. The triple-industry-standard chemical resistance is real—no etching after repeated use with concentrated nitric acid. Only reason I’m not giving 5 stars is that the custom volume labeling took 3 extra weeks to ship, but the quality justifies the wait. This is industrial-grade reliability."

Purchase Date: November 2024 | Usage Period: 6 months

⭐⭐⭐⭐⭐ Dr. Lena Fischer - Plant Cell Culture Lab
"For plant tissue culture, sterility and light protection are non-negotiable. The brown 100ml flask with sterile vent cap delivers both. We’ve used them for over six months in long-term callus growth experiments, and zero contamination incidents so far. The conical shape aids in even nutrient distribution, and the glass withstands repeated autoclaving without warping. A must-have for any aseptic botany lab."

Purchase Date: April 2025 | Usage Period: 2 months

📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 78 reviews (87.6%)
  • ⭐⭐⭐⭐☆ (4-star): 9 reviews (10.1%)
  • ⭐⭐⭐☆☆ (3-star): 2 reviews (2.3%)
  • ⭐⭐☆☆☆ (2-star): 0 reviews (0%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Laboratory Glassware Expert Recommendation

Dr. Helen Zhou - Senior Lab Equipment Consultant
"In my 15 years evaluating lab consumables, this Erlenmeyer flask line stands out for its material integrity and functional design. The Boro 3.3 glass exceeds ISO 3987 thermal shock standards, and the sterile vent cap system reduces airborne contamination by up to 40%—a critical factor in cell culture and PCR prep labs. I recommend the Advanced and Pro models for any lab dealing with volatile or corrosive reagents."

Science Education Specialist Recommendation

Dr. Thomas Reed - STEM Curriculum Developer
"We’ve integrated the 250ml Base Model into our high school AP Chemistry kits. The durability and clarity of measurement markings make it ideal for student use. Unlike soda-lime glass, these don’t cloud or crack during routine heating experiments. The narrow mouth also reduces spill risks during mixing, which is a major safety plus in classroom settings."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Perfect for Sensitive Reagents" - Jessica Wu (Pharmaceutical Lab)

Posted: 5 days ago

"Using the brown 500ml flask for UV-sensitive drug intermediates. The amber glass blocks ambient light effectively, and the graduated scale remains legible after repeated sterilization. No more degraded samples—huge improvement over clear glass."

⭐⭐⭐⭐⭐ "Reliable and Consistent" - Daniel Brooks (Microbiology Lab)

Posted: 10 days ago

"Purchased a full set from 100ml to 1000ml. All flasks are uniform in quality and calibration. The screw caps seal perfectly and allow safe shaking without leaks. These have replaced our old brand entirely."

⭐⭐⭐⭐☆ "Great for Home Brewing Too"

  • Alex Rivera (Home Fermentation Hobbyist)
    Posted: 3 weeks ago

"Using the 2L Pro Model for kombucha fermentation. Handles room-temperature cycles flawlessly. Only suggestion: include a silicone sleeve option for grip. Otherwise, extremely satisfied with build and clarity."

🎯 Reviews by Use Case Category

🧪 Research & Pharmaceutical Labs (38 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
    • Chemical resistance (95% mentioned)
    • Thermal shock tolerance (90% mentioned)
    • Sterile vent cap performance (88% mentioned)

🏫 Educational & Teaching Labs (31 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
    • Durability under student use (93% mentioned)
    • Clear, accurate volume markings (89% mentioned)
    • Resistance to breakage during heating (85% mentioned)

🧫 Home & DIY Biology (20 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
    • UV protection (brown variant) (94% mentioned)
    • Compatibility with home autoclaves/pressure cookers (87% mentioned)
    • Leak-resistant screw cap design (82% mentioned)

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