Molekula
N-(1-Naphthyl)ethylenediamine dihydrochloride C12H14N2.2HCl
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
N-(1-Naphthyl)ethylenediamine dihydrochloride is a chemical reagent widely used as a chromogenic agent in analytical chemistry, particularly in the colorimetric determination of nitrates and nitrites via the Griess reaction. It forms a vivid red azo dye upon reaction with nitrous acid, enabling sensitive detection in environmental, food, and industrial testing. This reagent has a CAS number of 1465-25-4, a molecular formula of C12H14N2·2HCl, and a molecular weight of 259.17 g/mol. It is stable at ambient storage conditions and carries a signal word of "Warning" for safety classification.
Molekula supplies N-(1-Naphthyl)ethylenediamine dihydrochloride C12H14N2.2HCl at ≥98% purity in 25 g packs, from £111.84 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 5 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Often bought together
Pricing & pack sizes
In stock — same-day dispatch
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.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — £93.20 per pack ex VAT · £111.84 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White or off-white crystalline powder |
| Water | <5% |
| Assay | ≥98% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 33355053 |
| CAS Number | 1465-25-4 |
| Molecular Formula | C12H14N2.2HCl |
| Molecular Weight | 259.17 |
| SMILES | C1=CC=C2C(=C1)C=CC=C2NCCN.Cl.Cl |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29215980 |
| Tariff Code | 2921599090 |
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
- 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
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is N-(1-Naphthyl)ethylenediamine dihydrochloride used for?
It is commonly used as a chromogenic reagent in the detection of nitrates and nitrites in analytical chemistry, particularly in the Griess assay.
What is the chemical formula and molecular weight?
The formula is C12H14N2·2HCl, and the molecular weight is 259.17 g/mol.
What safety classification does this product have?
The product is labeled with the signal word 'Warning' under GHS classification.
How should N-(1-Naphthyl)ethylenediamine dihydrochloride be stored?
Store at ambient temperature in a cool, dry place, away from direct sunlight and incompatible substances.
Does Molekula supply this product in bulk quantities?
Yes, we offer this product in bulk quantities upon request—please contact our sales team for pricing and availability.
What documentation is provided with an order of this chemical?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a product specification sheet.
Where can I buy N-(1-Naphthyl)ethylenediamine dihydrochloride C12H14N2.2HCl?
Directly from Molekula, which lists N-(1-Naphthyl)ethylenediamine dihydrochloride C12H14N2.2HCl in 25 g packs from £111.84 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
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.