Molekula
N,N-Diethyl-p-phenylenediamine sulfate
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,N-Diethyl-p-phenylenediamine sulfate (CAS 6283-63-2) is an organic compound used primarily as an analytical reagent, most notably in the DPD colorimetric method for determining free and total chlorine in water, as well as a dye intermediate. It is also used as a color developing agent in photographic processing and as a general laboratory chemical. It appears as a white to pale yellow crystalline powder with a molecular formula of C₁₀H₁₈N₂O₄S and a molecular weight of 262.33. Store at ambient conditions. The substance carries a signal word of "Warning" per GHS classification.
Molekula supplies N,N-Diethyl-p-phenylenediamine sulfate at ≥99% purity in 100 g packs, from $100.50 excl. 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.
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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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100 g — $100.50 per pack
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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 | Solid, White, pale yellow or pink |
| Heavy metals | ≤0.001% |
| Single Impurity | ≤0.5% |
| Identification | Conforms to reference |
| Assay | ≥99% |
| Sulphated Ash | ≤0.1% |
| Appearance (Colour) | White, pale yellow or pink |
| Iron (Fe) | ≤0.001% |
| Water (KF) | ≤0.5% |
| Solubility (5% in water) | Clear no residue |
| Colour of Solution(5% in water) | Light pink |
| Turbidity of (5% in water) | ≤5 |
| CD 1 Base | ≥99.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 53202606 |
| CAS Number | 6283-63-2 |
| IUPAC Name | 4-N,4-N-diethylbenzene-1,4-diamine;sulfuric acid |
| EC Number | 228-500-6 |
| Molecular Formula | C₁₀H₁₈N₂O₄S |
| Molecular Weight | 262.33 |
| Exact Mass | 262.0987 |
| SMILES | CCN(CC)C1=CC=C(C=C1)N.OS(=O)(=O)O |
| InChIKey | AYLDJQABCMPYEN-UHFFFAOYSA-N |
| InChI | InChI=1S/C10H16N2.H2O4S/c1-3-12(4-2)10-7-5-9(11)6-8-10;1-5(2,3)4/h5-8H,3-4,11H2,1-2H3;(H2,1,2,3,4) |
| PubChem CID | 80166 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29215190 |
| Tariff Code | 2921519000 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H312 Harmful in contact with skin
- 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
- P332+313 IF skin irritation occurs: Get medical advice/attention
- P337+313 If eye irritation persists 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
- 1,4-Benzenediamine, N,N-diethyl-, sulfate
- 1,4-Benzenediamine, N,N-diethyl-, sulfate (1:1)
- Diethyl-p-phenylenediamine sulfate
- N,N-Diethyl-1,4-benzenediamine sulfate
- N,N-Diethyl-1,4-phenylenediamine sulfate
- N,N-Diethyl-p-phenylenediamine sulfate salt
- N,N-Diethylbenzene-1,4-diammonium sulphate
- p-Amino-N,N-diethylaniline sulfate
- p-Phenylenediamine, N,N-diethyl-, sulfate (1:1)
- Siran N,N-diethyl-p-fenylendiaminu
Frequently asked questions
What is N,N-Diethyl-p-phenylenediamine sulfate commonly used for?
It is primarily used as an analytical reagent in the DPD colorimetric method for measuring free and total chlorine in water, and in some other analytical chemistry applications.
What is the molecular formula and molecular weight of N,N-Diethyl-p-phenylenediamine sulfate?
The molecular formula is C₁₀H₁₈N₂O₄S, and the molecular weight is 262.33 g/mol.
How should N,N-Diethyl-p-phenylenediamine sulfate be stored?
Store in a tightly sealed container at ambient temperature, away from moisture and direct sunlight.
What grades or purities of N,N-Diethyl-p-phenylenediamine sulfate does Molekula supply?
Molekula supplies this product as an analytical reagent to a single specification with an assay of at least 99%.
Can Molekula supply N,N-Diethyl-p-phenylenediamine sulfate in bulk quantities?
Yes, we offer bulk packaging options for this product, including drums and IBCs, depending on customer requirements.
What documentation is provided with an order of N,N-Diethyl-p-phenylenediamine sulfate?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a product specification sheet.
Where can I buy N,N-Diethyl-p-phenylenediamine sulfate?
Directly from Molekula, which lists N,N-Diethyl-p-phenylenediamine sulfate in 100 g packs from $100.50 excl. 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.