Representative Image

BRAND BLAUBRAND Volumetric Flask 20 mL, Class A, Wide Neck, Glass Stopper NS 12/21, Pack of 2

Brand:BRAND

Ground size

Nominal capacity

Tolerance

Specifications

Compare models
Accuracy class
A
Ground size
NS 12/21
Material
Boro 3.3
Material closure
Glass
Nominal capacity
20 ml
Standard
DIN EN ISO 1042
Tolerance
0,06 ± ml
Type of closure
NS stopper
UNSPSC
41121804

Alternative in-stock items

SG $101.92

Inc. GST

Available soon

Product description

The BRAND BLAUBRAND 20 mL Volumetric Flask is a high-precision laboratory instrument designed for accurate volume measurements. Manufactured from durable borosilicate 3.3 glass, this Class A flask features a wide neck and a ground glass stopper (NS 12/21) for secure sealing. It complies with DIN EN ISO 1042 standards and includes a batch certificate, ensuring traceability and reliability in analytical procedures.

Key Features:

  • Brand: BRAND
  • Volume: 20 mL
  • Material: Borosilicate 3.3 glass
  • Accuracy Class: Class A
  • Neck Type: Wide neck
  • Stopper: Ground glass stopper NS 12/21
  • Graduations: Blue enamel for clear visibility
  • Compliance: DIN EN ISO 1042
  • Certification: Batch certificate included
  • Packaging: Pack of 2 flasks

This volumetric flask is ideal for laboratories requiring precise volume measurements and compliance with international standards.



Frequently Asked Questions

1. What is the BRAND BLAUBRAND Volumetric Flask 20 mL, Class A, Wide Neck, Glass Stopper NS 12/21, Pack of 2 used for?

It is a high-precision laboratory instrument designed for accurate volume measurements. Manufactured from durable borosilicate 3.3 glass, this Class A flask features a wide neck and a ground glass stopper (NS 12/21) for secure sealing. It complies with DIN EN ISO 1042 standards and includes a batch certificate, ensuring traceability and reliability in analytical procedures.

2. Is this product suitable for accurate volume measurements?

Yes. It is designed for accurate volume measurements, and offers a volume of 20 mL to support this kind of work.

3. What volume does this product have?

It has a volume of 20 mL.

4. What is this product made from and what features does it include?

It is made from borosilicate 3.3 glass. It also offers class A, wide neck and ground glass stopper NS 12/21.

Compare similar models

Volumetric flask 20 ml, BLAUBRAND® class A, wide neck, glass stopper, NS 12/21 pack of 2
Available soon
BRAND BLAUBRAND Volumetric Flask 20 mL, Class A, Wide Neck, Glass Stopper NS 12/21, Pack of 2

SG $101.92

Inc. GST

Manufacturer P/N

37268

Part Number

4.689 077

Manufacturer

BRAND

Ground size

NS 12/21

Volumetric flask class A BLAUBRAND 2000ml NS 29/32
In stock
BRAND Volumetric Flask Class A BlauBRAND, 2000mL NS 29/32

SG $187.15

Inc. GST

Manufacturer P/N

37265

Part Number

7.018 544

Manufacturer

BRAND

Ground size

NS 29/32

Volumetric flask 100 ml, BLAUBRAND® cl.A, Glas stopper, NS 14/23, Boro 3.3 pack of 2
In stock
BRAND Volumetric Flask 100 ml, BLAUBRAND CL.A, Glas Stopper, NS 14/23, Boro 3.3, Pack of 2

SG $118.59

Inc. GST

Manufacturer P/N

37289

Part Number

4.689 160

Manufacturer

BRAND

Ground size

NS 14/23

Volumetric flask class A BLAUBRAND 250ml NS 14/23 pack of 2
In stock
BRAND Volumetric Flask Class A BLAUBRAND 250 ml, NS 14/23, Pack of 2

SG $133.42

Inc. GST

Manufacturer P/N

37262

Part Number

4.688 894

Manufacturer

BRAND

Ground size

NS 14/23

Volumetric flask 200 ml, BLAUBRAND® Class A, glass stopper, NS 14/23, with batch certificate pack of 2
In stock
BRAND Volumetric Flask 200 ml, BLAUBRAND Class A, Glass Stopper, NS 14/23, with Batch Certificate, Pack of 2

SG $129.71

Inc. GST

Manufacturer P/N

37261

Part Number

4.688 061

Manufacturer

BRAND

Ground size

NS 14/23

Measuring flask 50 ml, BLAUBRAND NS 12/21, class A, glass stopper pack of 2
In stock
BRAND Measuring Flask 50 mL, BLAUBRAND NS 12/21, Class A, Glass Stopper, Pack of 2

SG $109.33

Inc. GST

Manufacturer P/N

37259

Part Number

4.689 022

Manufacturer

BRAND

Ground size

NS 12/21

Measuring flask, BLAUBRAND, class A 10 ml, with glass plugs pack of 2
In stock
BRAND Measuring Flask BLAUBRAND Class A, 10 mL, with Glass Plugs, Pack of 2

SG $98.21

Inc. GST

Manufacturer P/N

37267

Part Number

4.688 909

Manufacturer

BRAND

Ground size

NS 10/19

Volumetric flask class A BLAUBRAND 1000ml with glass stopper
Available soon
BRAND Volumetric Flask Class A BLAUBRAND, 1000 ml, with Glass Stopper

SG $140.83

Inc. GST

Manufacturer P/N

37264

Part Number

7.018 543

Manufacturer

BRAND

Ground size

NS 24/29

Volumetric flask class A BLAUBRAND 5000ml NS 34/35
Available soon
BRAND Volumetric Flask Class A, BLAUBRAND, 5000 ml, NS 34/35

SG $372.45

Inc. GST

Manufacturer P/N

37266

Part Number

7.018 545

Manufacturer

BRAND

Ground size

NS 34/35

Volumetric flask 25 ml, BLAUBRAND® cl.A, Glas stopper, NS 12/21, Boro 3.3 pack of 2
Available soon
BRAND BLAUBRAND Volumetric Flask 25 mL, Class A, Glass Stopper NS 12/21, Borosilicate 3.3, Pack of 2

SG $103.77

Inc. GST

Manufacturer P/N

37294

Part Number

4.689 164

Manufacturer

BRAND

Ground size

NS 12/21

Volumetric flask class A BLAUBRAND 500ml NS 19/26 pack of 2
Available soon
BRAND Volumetric Flask Class A BLAUBRAND 500 ml, NS 19/26, Pack of 2

SG $159.36

Inc. GST

Manufacturer P/N

37263

Part Number

4.688 895

Manufacturer

BRAND

Ground size

NS 19/26

Volumetric flask 50 ml, BLAUBRAND® cl.A, Glas stopper, NS 14/23, Boro 3.3, pack of 2
Available soon
BRAND Volumetric Flask 50 ml, BLAUBRAND Cl.A, Glass Stopper, NS 14/23, Boro 3.3, Pack of 2

SG $111.18

Inc. GST

Manufacturer P/N

37288

Part Number

4.688 062

Manufacturer

BRAND

Ground size

NS 14/23

Volumetric flask Cl.A 100:0,1ml, NS 12/21 glass stoppers pack of 2
Available soon
BRAND Volumetric Flask Cl.A 100:0.1 mL, NS 12/21, Glass Stoppers, Pack of 2

SG $114.89

Inc. GST

Manufacturer P/N

37260

Part Number

4.689 035

Manufacturer

BRAND

Ground size

NS 12/21

Volumetric flask 25 ml, BLAUBRAND® class A, glass stopper, NS 10/19, with batch cert. pack of 2
Available soon
BRAND Volumetric Flask 25 mL, BLAUBRAND Class A, Glass Stopper, NS 10/19, with Batch Certificate (Pack of 2)

SG $100.06

Inc. GST

Manufacturer P/N

37258

Part Number

4.689 058

Manufacturer

BRAND

Ground size

NS 10/19

Volumetric flask BLAUBRAND class A 20ml with glass stopper pack of 2
Available soon
BRAND Volumetric Flask 20 mL, BLAUBRAND Class A, with Glass Stopper (Pack of 2)

SG $100.06

Inc. GST

Manufacturer P/N

37257

Part Number

4.688 938

Manufacturer

BRAND

Ground size

NS 10/19

Volumetric flask, class A 5ml, NS 10/19 pack of 2
Available soon
BRAND Volumetric Flask, Class A 5 mL, NS 10/19, Pack of 2

SG $98.21

Inc. GST

Manufacturer P/N

37256

Part Number

4.688 892

Manufacturer

BRAND

Ground size

NS 10/19

More items to explore

Volumetric flasks, boro 3.3, class A, blue graduations, incl. ISO individual certificate

ProductType of closureNominal capacityMfr#Part#AvailabilityPrice
Vol. flask 50 ml, BLAUBRAND® class A, NS-PP-stopper, NS 12/21, with individual certificate
BRAND Volumetric Flask 50 ml, BLAUBRAND Class A, NS 12/21, PP Stopper, with Individual Certificate
Stopper50 ml9372486.253 094SG $172.33
Measuring flask 1000 ml, BLAUBRAND NS 24/29, class A, glass stopper
BRAND Measuring Flask 1000 ml, BLAUBRAND, NS 24/29, Class A, Glass Stopper
Stopper1000 ml9372536.264 672SG $198.27
Volumetric flasks,class A,with PP stopper cap. 25 ml
BRAND Volumetric Flask 25 ml, Class A, with PP Stopper Cap, BLAUBRAND
Stopper25 ml9372477.659 413SG $168.62
Vol.flask 50 ml, BLAUBRAND® class A, wide neck, NS-PP-stopper, NS 14/23, with single certificate
BRAND 50 ml Volumetric Flask, BLAUBRAND Class A, Wide Neck, NS-PP Stopper, NS 14/23, with Single Certificate
Stopper50 ml9372906.257 937SG $174.18
Volumetric flasks,class A,with PP stopper cap. 200 ml
BRAND 200 ml Volumetric Flask, BLAUBRAND Class A, with PP Stopper Cap
Stopper200 ml9372507.400 043SG $183.45
Volumetric flasks,class A,with PP stopper cap. 5 ml
BRAND 5 ml Volumetric Flask, BLAUBRAND Class A, with PP Stopper Cap
Stopper5 ml9372387.659 411SG $166.77
Measuring flask 2000 ml, BLAUBRAND NS 29/32, class A, glass stopper
BRAND 2000 ml Measuring Flask, BLAUBRAND Class A, NS 29/32, with Glass Stopper
Stopper2000 ml9372546.264 673SG $235.33
Volumetric flasks,class A,with PP stopper cap. 20 ml
BRAND 20 ml Volumetric Flask, BLAUBRANDClass A, with PP Stopper (NS 10/19)
Stopper20 ml9372467.085 453SG $168.62
Vol.flask 100 ml, BLAUBRAND® class A, NS-PP-stopper, NS 14/23 with single certificate
BRAND 100 ml Volumetric Flask, BLAUBRAND Class A, with PP Stopper (NS 14/23)
Stopper100 ml9372916.256 708SG $177.89
Measuring flask 500 ml, BLAUBRAND NS 19/26, class A, glass stopper
BRAND 500 ml Measuring Flask, BLAUBRAND Class A, NS 19/26 with Glass Stopper
Stopper500 ml9372526.264 671SG $198.27
Volumetric flasks,class A,with PP stopper cap. 10 ml
BRAND 10 ml Volumetric Flask, BLAUBRAND Class A, Wide Neck with PP Stopper (NS 10/19)
Stopper10 ml9372437.659 412SG $168.62
Measuring flask 250 ml, BLAUBRAND NS 14/23, class A, glass stopper
BRAND 250 ml Measuring Flask, BLAUBRAND Class A, Glass Stopper (NS 14/23)
Stopper250 ml9372516.264 670SG $187.15
Volumetric flasks, BLAUBRAND® Class A, DE-M, 10 ml, NS 7/16 Boro 3.3, PP stopper, single certificate
BRAND BLAUBRAND Volumetric Flask, Class A, DE-M, 10 ml, NS 7/16, Boro 3.3, PP Stopper, Single Certificate
Stopper10 ml9372414.684 479SG $166.77
Volumetric flasks, BLAUBRAND® Class A, DE-M, 20 ml, W, NS 12/21 Boro 3.3, PP stopper, individual certificate
BRAND BLAUBRAND Volumetric Flask, Class A, DE-M, 20 ml, NS 12/21, Boro 3.3, PP Stopper, Individual Certificate
Stopper20 ml9372454.684 480SG $170.48
Volumetric flasks, BLAUBRAND® Class A, DE-M, 25 ml, W, NS 12/21 Boro 3.3, PP stopper, individual certificate
BRAND BLAUBRAND Volumetric Flask, Class A, DE-M, 25 ml, W, NS 12/21 Boro 3.3, PP Stopper, Individual Certificate
Stopper25 ml9372934.684 481SG $174.18
Volumetric flasks, BLAUBRAND® Class A, DE-M, 100 ml, NS 12/21 Boro 3.3, PP stopper, individual certificate
BRAND Volumetric Flasks, BLAUBRAND Class A, DE-M, 100 ml, NS 12/21, Boro 3.3, PP Stopper, Individual Certificate
Stopper100 ml9372494.684 482SG $177.89
Volumetric flasks, BLAUBRAND® Class A, DE-M, 150 ml, NS 14/23 Boro 3.3, PP stopper, individual certificate
BRAND Volumetric Flasks, BLAUBRAND Class A, DE-M, 150 ml, NS 14/23, Boro 3.3, PP Stopper, Individual Certificate
Stopper150 ml9372334.684 483SG $190.86
Volumetric flasks, BLAUBRAND® Class A, DE-M, 1000 ml, W, NS 29/32 Boro 3.3, PP stopper, individual certificate
BRAND BLAUBRAND Volumetric Flask, Class A, DE-M, 1000 ml, Boro 3.3, NS 29/32, PP Stopper, Individual Certificate
Stopper1000 ml9372344.684 484SG $207.54
Volumetric flasks, BLAUBRAND® Class A, DE-M, 5000 ml, NS 34/35 Boro 3.3, PE stopper, individual certificate
BRAND Volumetric Flask Blaubrand Class A DE/M, 5000ml NS 34/35 Boro 3.3 PE Stopper, with Individual Certificate
Stopper5000 ml9372554.684 485SG $340.95
Volumetric flasks, BLAUBRAND® Class A, DE-M, 10000 ml, NS 45/40 Boro 3.3, PE stopper, individual certificate
BRAND Volumetric Flasks Blaubrand Class A DE-M, 10000ml NS 45/40 Boro 3.3 PE Stopper Individual Certificate
Stopper10000 ml9372364.684 486SG $594.81

Volumetric flasks, boro 3.3, class A, blue graduations, with glass stoppers, incl. ISO individual certificate

ProductType of closureNominal capacityMfr#Part#AvailabilityPrice
Vol.flask 500 ml, BLAUBRAND® class A, glass stopper, NS 19/26, with single certificate
BRAND 500 ml Volumetric Flask, BLAUBRAND Class A, Glass Stopper (NS 19/26)
Stopper500 ml9372636.253 119SG $205.68
Measuring flask 50 ml, BLAUBRAND NS 12/21, class A, glass stopper
BRAND 50 ml Measuring Flask, BLAUBRAND Class A, Glass Stopper (NS 12/21)
Stopper50 ml9372596.232 356SG $181.59
Vol.flask 250 ml, BLAUBRAND® class A, glass stopper, NS 14/23, with single certificate
BRAND 250 ml Volumetric Flask, BLAUBRAND Class A, Glass Stopper (NS 14/23)
Stopper250 ml9372626.253 118SG $192.71
Volumetric flasks, BLAUBRAND® Class A, DE-M, 5 ml, W, NS 10/19 Boro 3.3, glass stopper, individual certificate
BRAND Volumetric Flask Blaubrand Class A DE/M, 5mL, with NS 10/19 Boro 3.3 Glass Stopper (Individual Certificate)
Stopper5 ml9372564.684 487SG $176.04
Volumetric flasks, BLAUBRAND® Class A, DE-M, 10 ml, W, NS 10/19 Boro 3.3, glass stopper, individual certificate
BRAND Volumetric Flasks Blaubrand Class A DE, M 10mL w/ NS, 10/19 Boro 3.3 Glass Stopper, Individual Certificate
Stopper10 ml9372674.684 488SG $176.04
Volumetric flask BLAUBRAND class A 20ml with glass stopper with Certificate
BRAND Volumetric Flask BLAUBRAND Class A, 20ml, with Glass Stopper, with Certificate
Stopper20 ml9372576.319 953SG $176.04
Volumetric flasks, BLAUBRAND® Class A, DE-M, 20 ml, W, NS 12/21 Boro 3.3, glass stopper, individual certificate
BRAND Volumetric Flasks Blaubrand Class A, DE-M, 20mL with NS 12/21 Boro 3.3 Glass Stopper (Individual Certificate)
Stopper20 ml9372684.684 489SG $177.89
Volumetric flasks, BLAUBRAND® Class A, DE-M, 25 ml, NS 10/19 Boro 3.3, glass stopper, individual certificate
BRAND Volumetric Flasks Blaubrand Class A DE-M, 25mL NS 10/19 Boro 3.3 Glass Stopper, with Individual Certificate
Stopper25 ml9372584.684 490SG $176.04
Volumetric flasks, BLAUBRAND® Class A, DE-M, 25 ml, W, NS 12/21 Boro 3.3, glass stopper, individual certificate
BRAND Volumetric Flasks BLAUBRAND Class A DE.M, 25mL, with NS 12/21 Boro 3.3 Glass Stopper (Individual Certificate)
Stopper25 ml9372944.684 491SG $177.89
Volumetric flasks, BLAUBRAND® Class A, DE-M, 50 ml, W, NS 14/23 Boro 3.3, glass stopper, individual certificate
BRAND Volumetric Flask Blaubrand Class A DE, M 50ml, w/ NS 14/23 Boro 3.3 Glass Stopper, Individual Certificate
Stopper50 ml9372884.684 492SG $181.59
Volumetric flasks, BLAUBRAND® Class A, DE-M, 100 ml, NS 12/21 Boro 3.3, glass stopper, individual certificate
BRAND Volumetric Flask Blaubrand Class A DE, M 100ml, NS 12/21 Boro 3.3 Glass Stopper, Individual Certificate
Stopper100 ml9372604.684 493SG $183.45
Volumetric flasks, BLAUBRAND® Class A, DE-M, 100 ml, NS 14/23 Boro 3.3, glass stopper, individual certificate
BRAND Volumetric Flask Blaubrand Class A DE, M 100ml, w/ NS 14/23 Boro 3.3 Glass Stopper, Individual Certificate
Stopper100 ml9372894.684 494SG $185.30
Volumetric flasks, BLAUBRAND® Class A, DE-M, 200 ml, NS 14/23 Boro 3.3, glass stopper, individual certificate
BRAND Volumetric Flask Blaubrand Class A DE, M 200ml, w/ NS 14/23 Boro 3.3 Glass Stopper, Individual Certificate
Stopper200 ml9372614.684 495SG $190.86
Volumetric flasks, BLAUBRAND® Class A, DE-M, 1000 ml, NS 24/29 Boro 3.3, glass stopper, individual certificate
BRAND Volumetric Flask Blaubrand Class A DE, M 1000ml, NS 24/29 Boro 3.3 Glass Stopper, Individual Certificate
Stopper1000 ml9372644.684 496SG $209.39
Volumetric flasks, BLAUBRAND® Class A, DE-M, 2000 ml, NS 29/32 Boro 3.3, glass stopper, individual certificate
BRAND Volumetric Flask Blaubrand Class A DE, M 2000ml, NS 29/32 Boro 3.3 Glass Stopper, Individual Certificate
Stopper2000 ml9372654.684 497SG $246.45
Volumetric flasks, BLAUBRAND® Class A, DE-M, 5000 ml, NS 34/35 Boro 3.3, glass stopper, individual certificate
BRAND Volumetric Flask Blaubrand Class A DE, M 5000ml, NS 34/35 Boro 3.3 Glass Stopper, Individual Certificate
Stopper5000 ml9372664.684 498SG $363.19

Insights

Explore
Cleaning Lab Glassware: Removing Stubborn Residue

1 min read

Cleaning Lab Glassware: Removing Stubborn Residue

Cleaning laboratory glassware properly is essential for accurate, safe, and repeatable lab work. This guide explains how to remove stubborn residue from beakers, flasks, bottles, volumetric glassware, and other lab glassware, including grease, dried salts, biological residue, stains, and burnt deposits. It also covers safe cleaning methods, common mistakes, drying and storage tips, and when damaged glassware should be replaced.

Read full story
How to Calibrate Your Pipettes to ISO 8655 Standards

1 min read

How to Calibrate Your Pipettes to ISO 8655 Standards

Pipette calibration helps laboratories confirm that liquid handling results remain accurate, repeatable, and traceable. This guide explains how pipettes are calibrated to ISO 8655 standards, including gravimetric testing, environmental control, correct tip selection, volume testing, calibration records, and common mistakes to avoid. It also covers when to use in-house calibration and when an external calibration service may be more suitable.

Read full story
Molarity and Dilution Calculator

1 min read

Molarity and Dilution Calculator

A free molarity and dilution calculator covering four essential lab calculations: C1V1=C2V2 dilution (solve for any unknown), molarity from mass, mass from molarity, and serial dilution table generation. Includes worked examples, a concentration units guide and step-by-step preparation instructions for every result.

Read full story
Buffer Preparation Calculator

1 min read

Buffer Preparation Calculator

Free online buffer preparation calculator. Select your buffer system, enter target pH, concentration and volume, and get an exact lab-ready recipe with reagent masses and step-by-step instructions. Covers PBS, Tris-HCl, sodium phosphate, acetate, HEPES, MOPS and more.

Read full story

SG $101.92

Inc. GST