Molekula
1,5-Diphenylcarbazide
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
1,5-Diphenylcarbazide is a chemical reagent used primarily in analytical chemistry for the detection and quantification of heavy metals, especially chromium(VI). It forms intensely colored complexes with certain metal ions, enabling sensitive spectrophotometric analysis. Available with a CAS number of 140-22-7, molecular formula C13H14N4O, and molecular weight 242.28 g/mol. Stored at -15 to -20 °C. Signal word: Warning. Molekula supplies 1,5-Diphenylcarbazide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
1,5-Diphenylcarbazide is a chemical reagent used primarily in analytical chemistry for the detection and quantification of heavy metals, especially chromium(VI). It forms intensely colored complexes with certain metal ions, enabling sensitive spectrophotometric analysis. Available with a CAS number of 140-22-7, molecular formula C13H14N4O, and molecular weight 242.28 g/mol. Stored at -15 to -20 °C. Signal word: Warning. Molekula supplies 1,5-Diphenylcarbazide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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100 g — £68.50 per pack
Need a different quantity or pack?
Tell us the quantity you actually need — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price, usually within one working day.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White to off white crystalline powder, reddish in air |
| Melting Point | 170 - 174℃ |
| Residue on Ignition | <0.1% |
| Assay (Titration) | ≥98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 21202332 |
| CAS Number | 140-22-7 |
| Molecular Formula | C13H14N4O |
| Molecular Weight | 242.28 |
| SMILES | C1=CC=C(C=C1)NNC(=O)NNC2=CC=CC=C2 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2928002500 |
| Tariff Code | 2928009090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- 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
- P302+350 IF ON SKIN: Gently wash with soap and water
- P304+341 IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
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
No alternate names recorded for this product.
Frequently asked questions
What is 1,5-Diphenylcarbazide used for?
It is primarily used as a reagent for detecting heavy metals, especially chromium(VI), in environmental and industrial water samples.
What is the chemical formula and molecular weight of 1,5-Diphenylcarbazide?
The formula is C13H14N4O with a molecular weight of 242.28 g/mol.
How should 1,5-Diphenylcarbazide be stored?
It must be stored at temperatures between -15 and -20 °C to maintain stability and prevent degradation.
What grade is available for 1,5-Diphenylcarbazide?
It is available in analytical grade, suitable for laboratory and quality control applications.
Can Molekula supply 1,5-Diphenylcarbazide in bulk?
Yes, Molekula can supply 1,5-Diphenylcarbazide in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of 1,5-Diphenylcarbazide?
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.