Molekula
1-(4-Nitrophenyl)glycerol (PNPG)
1-(4-Nitrophenyl)glycerol (PNPG) is a synthetic organic compound used primarily as a chromogenic substrate in enzyme assays, particularly for detecting β-galactosidase activity. It is a white to pale yellow crystalline powder with a molecular formula of C9H11NO5 and a molecular weight of 213.19 g/mol. CAS number: 2207-68-3. Store at 2 to 8 °C. Signal word: Warning. Molekula supplies 1-(4-Nitrophenyl)glycerol (PNPG) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
1-(4-Nitrophenyl)glycerol (PNPG) is a synthetic organic compound used primarily as a chromogenic substrate in enzyme assays, particularly for detecting β-galactosidase activity. It is a white to pale yellow crystalline powder with a molecular formula of C9H11NO5 and a molecular weight of 213.19 g/mol. CAS number: 2207-68-3. Store at 2 to 8 °C. Signal word: Warning. Molekula supplies 1-(4-Nitrophenyl)glycerol (PNPG) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Pale yellow/cream powder |
| Identification | Conforms to reference |
| Purity | Free p-Nitrophenol ≤0.1% |
| HPLC | ≥97% |
| Solution Test | 10% solution in methanol is clear and faintly yellow |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 2207-68-3 |
| Molecular Formula | C9H11NO5 |
| Molecular Weight | 213.19 |
| REACH Code | Y110 |
| Tariff Code | 29062900 |
Safety & GHS
-
Explosive
GHS01
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P231+232 Handle under inert gas. Protect from moisture
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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
For research and industrial use only
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.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is 1-(4-Nitrophenyl)glycerol (PNPG) used for?
PNPG is primarily used as a substrate in enzymatic assays, particularly for measuring beta-galactosidase activity in biochemical research.
What is the chemical formula and molecular weight of PNPG?
The formula is C9H11NO5 with a molecular weight of 213.19 g/mol.
How should PNPG be stored?
PNPG should be stored at 2 to 8 °C to maintain stability and prevent degradation.
What grade of PNPG does Molekula supply?
Molekula supplies PNPG in high-purity research grade, suitable for laboratory use.
Can Molekula supply PNPG in bulk quantities?
Yes, Molekula can supply PNPG in bulk quantities—please contact our sales team for volume pricing and availability.
What documentation comes with a PNPG order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.