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Molekula

TAPSO (N-(Tris(hydroxymethyl)methyl)-3-amino-2-hydroxypropane sulfonic acid)

CAS 68399-81-5 C7H17NO7S MW 259.28 In stock

TAPSO is a zwitterionic buffering agent used in biochemical and molecular biology applications, particularly in protein and nucleic acid studies. It provides stable pH control in the physiological range. Available with CAS number 68399-81-5, molecular formula C7H17NO7S, and molecular weight 259.28 g/mol. Stored at ambient temperature. Signal word: Warning. Molekula supplies TAPSO from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

TAPSO is a zwitterionic buffering agent used in biochemical and molecular biology applications, particularly in protein and nucleic acid studies. It provides stable pH control in the physiological range. Available with CAS number 68399-81-5, molecular formula C7H17NO7S, and molecular weight 259.28 g/mol. Stored at ambient temperature. Signal word: Warning. Molekula supplies TAPSO from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance White Crystalline Powder
pH 4.7-5.3
Water Content (KF) ≤ 1%
A260, 1M Water ≤ 0.06
A280, 1M Water ≤ 0.02
Assay (titr.) ≥ 99%

Storage & handling

Property Value
Storage Temperature Ambient
Shelf Life 24 months
Acidity Acid

Identification

Property Value
CAS Number 68399-81-5
Molecular Formula C7H17NO7S
Molecular Weight 259.28
SMILES C(C(CS(=O)(=O)O)O)NC(CO)(CO)CO
REACH Code Y110
TSCA Listed Yes
HTS Code 2922.19.96.90
Tariff Code 2922190090

Safety & GHS

Warning
  • GHS pictogram — Explosive Explosive GHS01

Hazard statements

  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation

Precautionary statements

  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P302+352 IF ON SKIN: Wash with soap and water
  • P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Pricing & pack sizes

Pack sizes & pricing

  • 100 g

    £57.41 · per pack

  • 500 g

    £218.09 · per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is TAPSO used for?

TAPSO is primarily used as a zwitterionic buffer in biochemical applications, particularly in electrophoresis and protein studies, due to its stable pH buffering capacity.

What is the chemical formula and molecular weight of TAPSO?

The formula of TAPSO is C7H17NO7S with a molecular weight of 259.28 g/mol.

How should TAPSO be stored?

TAPSO should be stored at ambient temperature, protected from moisture and light.

What grade of TAPSO does Molekula supply?

Molekula supplies TAPSO in high-purity grade suitable for research and laboratory use.

Can Molekula supply TAPSO in bulk quantities?

Yes, Molekula can supply TAPSO in bulk quantities—please contact our sales team for pricing and availability.

What documentation comes with a TAPSO order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.

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Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

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