Bis(p-nitrophenyl) phosphate sodium salt

CAS 4043-96-3C12H8O8N2PNaBiochemicals & Reagents

Bis(p-nitrophenyl) phosphate sodium salt (CAS: 4043-96-3; C12H8O8N2PNa; MW: 362.16) is a biochemical reagent primarily used as an enzyme substrate. It is a chromogenic compound that releases p-nitrophenol, which can be quantified spectrophotometrically, upon enzymatic hydrolysis. This property makes it valuable in biochemical assays and enzymatic studies for detecting and quantifying enzyme activity.

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Bis(p-nitrophenyl) phosphate sodium salt (C12H8O8N2PNa) — chemical structure, CAS 4043-96-3; Life Science, fine chemical supplied by Tech Serve Solutions

ActivityBiochemicals and ReagentsChromogenicEnzyme SubstratesEnzymesInhibitorsand Substrates

01 /Applications

Enzyme Substrate

Utilised as a chromogenic substrate for enzymes that hydrolyse phosphate esters, such as alkaline phosphatase. The enzymatic cleavage releases p-nitrophenol, which can be measured to determine enzyme activity.

Biochemical Assays

A key reagent in various biochemical assays and research, particularly for the detection and quantification of specific enzyme levels in biological samples or purified enzyme preparations.

Chromogenic Reagent

Functions as a chromogenic indicator in assays where the release of p-nitrophenol results in a detectable colour change, facilitating quantitative analysis.

02 /Properties

Molecular weight	362.16
Linear formula	C12H8O8N2PNa
Assay	≥99% (TLC)
Storage temperature	−20°C
Impurities tested	≤0.05% free p-nitrophenol

03 /Safety & handling

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)	3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

4043-96-3

MDL number

MFCD00065378

PubChem substance

24897610

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Bis(p-nitrophenyl) phosphate sodium salt used for?

Bis(p-nitrophenyl) phosphate sodium salt is primarily used as a chromogenic enzyme substrate in biochemical assays for detecting and quantifying enzyme activity, particularly of phosphatases.

What are the CAS number and formula for Bis(p-nitrophenyl) phosphate sodium salt?

The CAS number is 4043-96-3 and the molecular formula is C12H8O8N2PNa.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Bis(p-nitrophenyl) phosphate sodium salt with an assay of ≥99% (TLC), containing ≤0.05% free p-nitrophenol. It is supplied as a technical/research grade and is not represented as USP, BP, or EP.

How should Bis(p-nitrophenyl) phosphate sodium salt be handled and stored?

Handling requires appropriate personal protective equipment, including eyeshields and gloves, and a P1 filter respirator. It should be stored at −20°C. Refer to the Safety Data Sheet for detailed handling instructions.

How is Bis(p-nitrophenyl) phosphate sodium salt packed, shipped, and exported?

This chemical is carefully packed to ensure stability during transit and is available for global export by Tech Serve Solutions, adhering to all relevant shipping regulations.

How can I request a quote or sample?

Please contact the Tech Serve Solutions sales team via the website or direct email to request a quote or a sample of Bis(p-nitrophenyl) phosphate sodium salt.