BAPTA NEW

BAPTA

Modify Date: 2025-08-25 10:29:35

BAPTA structure	Common Name	BAPTA
	CAS Number	85233-19-8	Molecular Weight	476.433
	Density	1.5±0.1 g/cm3	Boiling Point	766.6±60.0 °C at 760 mmHg
	Molecular Formula	C22H24N2O10	Melting Point	177-179 °C
	MSDS	USA	Flash Point	417.4±32.9 °C
	Symbol	GHS07	Signal Word	Warning

Purity		Quantity		Budget		Inquiry

Use of BAPTA BAPTA is a specific chelator of Ca2+, suppresses intracellular reactive oxygen species (ROS) levels.

• Properties

• Articles116

• Spectrum

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 Names

Name	bapta
Synonym	More Synonyms

 BAPTA Biological Activity

Description	BAPTA is a specific chelator of Ca2+, suppresses intracellular reactive oxygen species (ROS) levels.
Related Catalog	Signaling Pathways >> Others >> Others Research Areas >> Others Biochemical Assay Reagents
Target	Ca2+ chelator[1]
In Vitro	Regarding ROS generation, a Ca2+ specific chelator, BAPTA, suppresses ROS generation of Sodium lauryl sulfate (SLS)-exposed HaCaT keratinocytes[1]. Depolarization does not increase the resting open probability of the mechanoelectrical transducer (MET) current of Tmc1Bth/Bth OHCs, whereas raising the intracellular concentration of the Ca2+ chelator BAPTA causes smaller increases in resting open probability in Bthmutant outer hair cells (OHCs) than in wild-type control cells. In the presence of 0.1 mM BAPTA, nonsaturating bundle displacements causes the MET current to adapt in both genotypes, exactly as seen when 1 mM EGTA is used in the intracellular solution. In the presence of 10 mM intracellular BAPTA, the time-dependent MET current decline is abolished and the resting Popen increased to near 50% of the maximal MET current in OHCs from both Tmc1+/+ and Tmc1Bth/Bth mice. The relation between the MET current and bundle displacement shows that increasing the intracellular BAPTA concentration from 0.1 to 10 mM significantly increased (p<0.0001) the resting Popen of the MET current in both Tmc1+/+ (0.1 mM, 8±1.6%, n=4; 10 mM, 39.6±2.7%, n=5) and Tmc1Bth/Bth (0.1 mM, 10.4±2.2%, n=3; 10 mM, 46.5±9.9%, n=6). No significant differences are seen between the two genotypes for both BAPTA concentrations. However, 3 and 5 mM BAPTA are less effective in shifting the MET current-bundle displacement curves in Tmc1Bth/Bth than in Tmc1+/+ OHCs. In Tmc1+/+, increasing the BAPTA concentration from 0.1 mM to either 3 or 5 mM produces a highly significant increase in Popen (post hoc test from one-way ANOVA, p<0.01 and p<0.001, respectively); in Tmc1Bth/Bth, the same comparison produced no or a much reduced increase in Popen (n.s. and p<0.05, respectively)[2].
References	[1]. 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. [2]. 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.

 Chemical & Physical Properties

Density	1.5±0.1 g/cm3
Boiling Point	766.6±60.0 °C at 760 mmHg
Melting Point	177-179 °C
Molecular Formula	C22H24N2O10
Molecular Weight	476.433
Flash Point	417.4±32.9 °C
Exact Mass	476.143097
PSA	174.14000
LogP	0.13
Vapour Pressure	0.0±2.7 mmHg at 25°C
Index of Refraction	1.657
Storage condition	2-8°C

 MSDS

BAPTA MSDS(Chinese)

 Safety Information

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi: Irritant;
Risk Phrases	36/37/38
Safety Phrases	S26-S36
RIDADR	NONH for all modes of transport
WGK Germany	3

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