Molekula
p-Nitrophenyl Phosphate Liquid Substrate System - Sigma N7653
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
p-Nitrophenyl Phosphate Liquid Substrate System is a colorimetric reagent used in enzymatic assays, particularly for alkaline phosphatase activity detection, producing a yellow p-nitrophenol product upon hydrolysis. It is supplied as a ready-to-use liquid substrate for quick, accurate biochemical analysis. Catalogue details: CAS 4264-83-9, molecular formula C6H4NNa2O6P, molecular weight 263.05 g/mol, storage at -15 to -20°C, and labeled with the signal word "Danger." Molekula supplies p-Nitrophenyl Phosphate Liquid Substrate System from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | colourless clear solution |
| pH | 8.80 - 9.20 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Transport Class | 8 |
| Packing Group | III |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90034793 |
| CAS Number | 4264-83-9 |
| IUPAC Name | disodium;(4-nitrophenyl) phosphate |
| EC Number | 224-246-5 |
| Molecular Formula | C6H4NNa2O6P |
| Molecular Weight | 263.05 |
| Exact Mass | 262.9572 |
| SMILES | C1=CC(=CC=C1[N+](=O)[O-])OP(=O)([O-])[O-].[Na+].[Na+] |
| InChIKey | VIYFPAMJCJLZKD-UHFFFAOYSA-L |
| InChI | InChI=1S/C6H6NO6P.2Na/c8-7(9)5-1-3-6(4-2-5)13-14(10,11)12;;/h1-4H,(H2,10,11,12);;/q;2*+1/p-2 |
| PubChem CID | 77949 |
| UN Number | UN1760 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2919903000 |
| Tariff Code | 2919900090 |
Safety & GHS
-
Corrosive
GHS05
-
Serious Health Hazard
GHS08
Hazard statements
- EUH208 Contains sensitizing substance. May produce an allergic reaction.
- H290 May be corrosive to metals
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H318 Causes serious eye damage
- H361 Suspected of damaging fertility or the unborn child
- H373 May cause damage to organs through prolonged or repeated exposure
- H401 Toxic to aquatic life
Precautionary statements
- P202 Do not handle until all safety precautions have been read and understood
- P234 Keep only in original container
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 4-nitrophenyl phosphate disodium salt
- C6H4NNa2O6P
- Disodium 4-nitrophenyl phosphate
- disodium p-nitrophenyl phosphate
- Phosphoric Acid 4-Nitrophenyl Ester Disodium Salt
- Phosphoric acid, mono(4-nitrophenyl) ester, disodium salt
- Phosphoric acid, mono(4-nitrophenyl) ester, sodium salt (1:2)
- Phosphoric acid, mono(p-nitrophenyl) ester, disodium salt
- PNPP Disodium
- Sodium 4-nitrophenyl phosphate
Frequently asked questions
What is p-Nitrophenyl Phosphate Liquid Substrate System (Sigma N7653) used for?
This substrate system is primarily used for enzymatic assays, particularly for alkaline phosphatase activity detection in biochemical research and diagnostics.
What is the chemical formula and molecular weight of p-Nitrophenyl Phosphate?
The formula is **C₆H₄NNa₂O₆P**, and the molecular weight is **263.05 g/mol**.
How should p-Nitrophenyl Phosphate be stored?
Store at **-15 to -20°C** to maintain stability and prevent degradation.
Is this product available in bulk quantities?
Molekula can supply p-Nitrophenyl Phosphate in bulk—please contact us for pricing and lead times.
What safety classification does this product have?
The product is labeled with the **signal word 'Danger'** due to its hazardous nature; handle with appropriate PPE.
What documentation is provided with an order of this product?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation.
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