BAPTA tetrapotassium salt

1,2-双(2-氨基苯氧基)乙烷-N,N,N',N'-四乙酸四钾盐

Also known as: 1,2-Bis(2-aminophenoxy)ethane-N,N,N',N'-tetraacetic acid tetrapotassium salt, BAPTA 4K, BAPTA potassium salt, tetrapotassium 2,2',2'',2'''-[ethane-1,2-diylbis(oxy-2,1-phenylenenitrilo)]tetraacetate, 1,2-Bis(o-aminophenoxy)ethane-N,N,N',N'-tetraacetic acid tetrapotassium salt

BAPTA tetrapotassium salt (CAS 73630-08-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C22H20K4N2O10 and a molecular weight of 628.795 g/mol. It is also known as 1,2-Bis(2-aminophenoxy)ethane-N,N,N',N'-tetraacetic acid tetrapotassium salt, BAPTA 4K and BAPTA potassium salt. Key properties include a boiling point of 766.6ºC at 760 mmHg and a flash point of 417.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 73630-08-7
Jingsj CID: J-47794-1
Molecular Formula: C₂₂H₂₀K₄N₂O₁₀
Chinese Name: 1,2-双(2-氨基苯氧基)乙烷-N,N,N',N'-四乙酸四钾盐
Molecular Weight: 628.795 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	766.6ºC at 760 mmHg
Flash Point	417.4ºC
Exact Mass	627.966614
PSA	185.46000

Activity & Biological Data

Target	Ca2+ chelator[1]
Additional Information	[1]. Fredholm BB, et, al. Effect of an intracellular calcium chelator on the regulation of electrically evoked [3H]-noradrenaline release from rat hippocampal slices. Br J Pharmacol. 1993 Jan;108(1):126-31. [2]. Salinthone S, et, al. Lipoic acid stimulates cAMP production via G protein-coupled receptor-dependent and -independent mechanisms. J Nutr Biochem. 2011 Jul;22(7):681-90. [3]. Mizutani T, et, al. Sodium Lauryl Sulfate Stimulates the Generation of Reactive Oxygen Species through Interactions with Cell Membranes. J Oleo Sci. 2016 Dec 1;65(12):993-1001. [4]. Corns LF, et, al. Tmc1 Point Mutation Affects Ca2+ Sensitivity and Block by Dihydrostreptomycin of the Mechanoelectrical Transducer Current of Mouse Outer Hair Cells. J Neurosci. 2016 Jan 13;36(2):336-49.

Target

Ca2+ chelator[1]

Additional Information

[1]. Fredholm BB, et, al. Effect of an intracellular calcium chelator on the regulation of electrically evoked [3H]-noradrenaline release from rat hippocampal slices. Br J Pharmacol. 1993 Jan;108(1):126-31. [2]. Salinthone S, et, al. Lipoic acid stimulates cAMP production via G protein-coupled receptor-dependent and -independent mechanisms. J Nutr Biochem. 2011 Jul;22(7):681-90. [3]. Mizutani T, et, al. Sodium Lauryl Sulfate Stimulates the Generation of Reactive Oxygen Species through Interactions with Cell Membranes. J Oleo Sci. 2016 Dec 1;65(12):993-1001. [4]. Corns LF, et, al. Tmc1 Point Mutation Affects Ca2+ Sensitivity and Block by Dihydrostreptomycin of the Mechanoelectrical Transducer Current of Mouse Outer Hair Cells. J Neurosci. 2016 Jan 13;36(2):336-49.

Frequently Asked Questions

What is the CAS number of BAPTA tetrapotassium salt?

The CAS number of BAPTA tetrapotassium salt is 73630-08-7.

What are the molecular formula and molecular weight of BAPTA tetrapotassium salt?

BAPTA tetrapotassium salt has molecular formula C22H20K4N2O10 and molecular weight 628.795 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "BAPTA tetrapotassium salt (CAS 73630-08-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47794-1 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.