1-Naphthyl phosphate disodium salt
1-Naphthyl phosphate disodium salt (CAS: 2183-17-7; C10H7Na2O4P; MW: 268.11) is a chemical reagent with key applications as an enzyme substrate, particularly for phosphatases. It is integral in biochemical research and diagnostic assays for detecting enzymatic activity. This disodium salt form enhances solubility and stability, making it a practical choice for laboratory use. TSS supplies this compound for research and development purposes.
- IUPAC
- α-Naphthyl phosphate disodium salt,Disodium 1-naphthyl phosphate

Enzyme Substrate
1-Naphthyl phosphate disodium salt serves as a chromogenic substrate for alkaline and acid phosphatases. Enzymatic hydrolysis releases 1-naphthol, which can be detected colorimetrically, making it valuable for enzyme activity assays.
Biochemical Research
This compound is widely used in biochemical laboratories to study enzyme kinetics, identify enzyme presence, and investigate cellular processes involving phosphate metabolism. Its use helps in understanding enzyme mechanisms.
Diagnostic Assays
It can be incorporated into diagnostic kits for the detection of specific enzyme levels in biological samples. This aids in the diagnosis and monitoring of various physiological and pathological conditions.
| Molecular weight | 268.11 |
|---|---|
| Empirical formula | C10H7Na2O4P |
| Storage temperature | −20°C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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.
What is 1-Naphthyl phosphate disodium salt used for?
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1-Naphthyl phosphate disodium salt is primarily used as a chromogenic substrate for alkaline and acid phosphatases in biochemical research and diagnostic assays.
What is the CAS number and molecular formula for 1-Naphthyl phosphate disodium salt?
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The CAS number is 2183-17-7, and the molecular formula is C10H7Na2O4P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Naphthyl phosphate disodium salt as a technical or research grade chemical. We do not represent this product as USP, BP, or EP grade.
How should 1-Naphthyl phosphate disodium salt be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation, as it may cause skin, eye, and respiratory irritation (H315-H319-H335).
How is this product shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, capable of handling international shipments according to relevant regulations.
How can I request a sample or quote for 1-Naphthyl phosphate disodium salt?
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Please contact our sales team directly through the website or by phone to request a sample or obtain a quotation for 1-Naphthyl phosphate disodium salt.
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