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A18254 1-Naphthyl phosphate monosodium salt monohydrate, 98+%

CAS Number
Monosodium 1-naphthyl phosphate monohydrate

Stock No. Size Price ($) Quantity Availability
A18254-06 5g 54.60
A18254-14 25g 208.00
A18254-22 100g 652.00
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1-Naphthyl phosphate monosodium salt monohydrate, 98+%


Chemical Properties

Formula Weight
264.16 (246.14anhy)
Melting point
Storage & Sensitivity
Keep Cold.
Soluble in water.


1-Naphthyl phosphate monosodium salt monohydrate acts as a substrate for determination of prostatic acid phosphatase.


Moisture sensitive. Store in a cool place. Keep the container tightly closed in a dry and well-ventilated place. Incompatible with strong oxidizing agents.

Literature References

Substrate for phosphatase: J. Biol. Chem., 7, 190 (1951).


Renglin, A.; Olsson, A.; Wachtmeister, C. A.; Onfelt, A. Mitotic disturbance by carbaryl and the metabolite 1-naphthol may involve kinase-mediated phosphorylation of 1-naphthol to the protein phosphatase inhibitor 1-naphthylphosphate. Mutagenesis. 1998, 13 (4), 345-352.

Bowers, J. L.; Bowers Jr, G. N. 1-naphthyl phosphate: specifications for high-quality substrate for measuring prostatic acid phosphatase activity. Clin. Chem. 1982, 28 (1), 212-215.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P337+P313-P362-P501c

Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

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