N,N-Diethyl-p-phenylenediamine sulfate CAS#6283-63-2
Excellent Color-Developing Properties: Serves as a commonly used aromatic amine compound and effective color-developing agent.
Good Water Solubility: Readily dissolves in water, making it suitable for various aqueous-based applications.
Defined Melting Point: Features a melting point of 184–186°C, providing a specific thermal characteristic for processing and application.
Distinctive Physical Properties: Available as a white to off-white, pale pink, or beige crystalline powder, with characteristic oxidation behavior that causes it to turn pink.
Products Description of N,N-Diethyl-p-phenylenediamine Sulfate CAS#6283-63-2
N,N-Diethyl-p-phenylenediamine sulfate, also known as p-aminodiethylaniline sulfate (CAS No. 6283-63-2), is a widely used aromatic amine compound that serves as a color-developing agent. It typically occurs as a crystalline powder ranging in color from white to off-white, pale pink, or beige. This compound is sensitive to exposure to light and air, which may cause discoloration. It dissolves readily in water but has only limited solubility in alcohol. Due to its susceptibility to oxidation, it can easily turn pink. Its melting point is in the range of 184–186°C.
N,N-Diethyl-p-phenylenediamine sulfate Chemical Properties
| Melting point | 184-186 °C(lit.) |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | H2O: 0.1 g/mL, clear |
| form | Crystalline Powder or Crystals With Lumps |
| color | White to beige |
| PH | 2.0-2.2 (50g/l, H2O, 20℃) |
| Water Solubility | Soluble in water and alcohol. |
| Sensitive | Light Sensitive |
| BRN | 4219768 |
| Boiling point | 274-275°C (1013 hPa) |
| 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) |
| InChIKey | AYLDJQABCMPYEN-UHFFFAOYSA-N |
| SMILES | C1(N(CC)CC)=CC=C(N)C=C1.S(O)(O)(=O)=O |
| CAS DataBase Reference | 6283-63-2(CAS DataBase Reference) |
| Hazard Codes | Xn,Xi,T |
| Risk Statements | 22-23/24/25-20/21/22 |
| Safety Statements | 28-45-36/37/39-36-13-24/25 |
| RIDADR | 2811 |
| WGK Germany | 3 |
| RTECS | SS9625000 |
| F | 39714 |
| Autoignition Temperature | 540 °C |
| HazardClass | 6.1(b) |
| PackingGroup | II |
| HS Code | 29215190 |
| Toxicity | LD50 orally in Rabbit: 497 mg/kg |
Key Applications
Water Quality Testing (DPD Method): Widely used in the formulation of DPD reagents, which act as colorimetric indicators for measuring free and total chlorine levels in water through titration, colorimetry, or spectrophotometry.
Color Photography: Serves as a developing agent in the processing of color photographic films and prints, including applications such as CD-1.
Biochemical and Pharmaceutical Analysis: Used in spectrophotometric testing and analysis of pharmaceutical compounds containing phenolic or aromatic amino groups.
Other Applications: Also utilized as an intermediate in dye production and as an ingredient in hair coloring formulations.




