Molekula
Cupferron
Cupferron is a chelating agent used in analytical chemistry for the selective precipitation and separation of metal ions, particularly iron and copper. It is also employed in the purification of rare earth elements. Available in powder form with a molecular weight of 155.15 g/mol, its chemical formula is C6H5N(NO)ONH4 and CAS number 135-20-6. Store at 2 to 8 °C. Hazardous: signal word Danger. Molekula supplies Cupferron from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Cupferron is a chelating agent used in analytical chemistry for the selective precipitation and separation of metal ions, particularly iron and copper. It is also employed in the purification of rare earth elements. Available in powder form with a molecular weight of 155.15 g/mol, its chemical formula is C6H5N(NO)ONH4 and CAS number 135-20-6. Store at 2 to 8 °C. Hazardous: signal word Danger. Molekula supplies Cupferron from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | White to light brown crystalline powder |
| Identification | Conforms to reference |
| Solubility | Soluble in Water |
| Assay | ≥ 98.00% |
| Residue on Ignition | ≤0.1% |
| Shelf life | This product has a shelf life of 2 years from date of manufacture. The product is ideally stored at +4°C but can be transported out of this temperature without affecting the quality. The product can be guaranteed for 2 years taking into account the difference in temperature of 10 - 20°C. |
| Decomposition point | ca. 148°C |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 6.1 |
| Packing Group | III |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 135-20-6 |
| Molecular Formula | C6H5N(NO)ONH4 |
| Molecular Weight | 155.15 |
| SMILES | C1=CC=C(C=C1)[N+](=N[O-])[O-].[NH4+] |
| EC / UN Number | 2811 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| Tariff Code | 2929909090 |
Safety & GHS
-
Flammable
GHS02
-
Corrosive
GHS05
Hazard statements
- H301 Toxic if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H341 Suspected of causing genetic defects
- H351 Suspected of causing cancer
Precautionary statements
- P201 Obtain special instructions before use
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- 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 Cupferron used for?
Cupferron is primarily used as a chelating agent for the selective precipitation and separation of metal ions, especially iron and copper, in analytical chemistry.
What is the chemical formula and molecular weight of Cupferron?
The formula is C6H5N(NO)ONH4 with a molecular weight of 155.15 g/mol.
How should Cupferron be stored?
Cupferron should be stored at 2 to 8 °C to maintain stability and prevent degradation.
What grade of Cupferron is available?
Molekula supplies Cupferron in analytical grade, suitable for laboratory and research applications.
Can Molekula supply Cupferron in bulk?
Yes, Molekula can supply Cupferron in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a Cupferron order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS), compliant with regulatory standards.
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.