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4,4- Diamino Diphenyl Sulphone (DADPS)

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MOQ : 100 Grams

4,4- Diamino Diphenyl Sulphone (DADPS) Specification

Temperature Range
Store at Room Temperature (15-30C)

Base
Sulphone

Operating Temperature
Up to 300C

Appearance
Crystalline Powder

Form
Solid

Density
1.41 Gram per cubic centimeter(g/cm3)

Product Type
Pharmaceutical Intermediate

Color
White to Off White

Application
Pharmaceuticals, Industrial Organic Synthesis

Grade Standard
Pharma Grade

Usage
Sulfa Drug Intermediate, Dapsone (Anti-leprosy drug) Synthesis

Pack Size
25 kg Fiber Drum

Boiling Point
410.7C

Shelf Life
2 years if stored properly

Odour
Odourless

Molecular Weight
248.30 g/mol

Molecular Formula
C12H12N2O2S

Melting Point
174-178C

Purity
98%

HS Code
2921.59

Solubility
Slightly soluble in water, soluble in organic solvents

CAS Number
80-08-0

4,4- Diamino Diphenyl Sulphone (DADPS) Trade Information

Minimum Order Quantity
100 Grams

Supply Ability
1 Gram Per Week

Delivery Time
1 Week

About 4,4- Diamino Diphenyl Sulphone (DADPS)

4,4- Diamino Diphenyl Sulphone (DADPS)

Chemical Name

4,4- Diamino Diphenyl Sulphone

Purity by HPLC	99.7 Min.
Other Isomer	< 0.3 %
DCDPS & Other Organics	< 0.10 %
Water ( wt%)	< 0.15 %
Melting Point ( deg.C)	176 to 185ºC
Ash Content ( wt%)	<0.05%
Bulk Density (g/ml)	0.65
Colour Spec. (Yellowness index)	< 50
Iron Content	< 25 ppm

Applications in Pharmaceutical Synthesis

DADPS is primarily used as an intermediate in the production of sulfa drugs, notably dapsone, which is vital in treating leprosy. Its purity and consistent quality make it ideal for pharmaceutical formulations. Additionally, it serves as a valuable reagent in various industrial organic synthesis processes, promoting efficiency in chemical manufacturing.

Physical and Chemical Stability

This compound is recognized for its stable crystalline powder form, odorless nature, and off-white coloration. DADPS exhibits a remarkable operating temperature range up to 300C, maintaining integrity even in demanding conditions. It boasts slight solubility in water but dissolves well in organic solvents, which broadens its applicability across different manufacturing protocols.

Safe Handling and Storage Recommendations

To maximize shelf life and maintain product quality, DADPS should be stored at room temperature (1530C) in a tightly sealed container, away from moisture and incompatible substances. Its 2-year shelf life ensures longevity for bulk buyers and reduces wastage, supporting cost-effective operations in pharmaceutical environments.

FAQs of 4,4- Diamino Diphenyl Sulphone (DADPS):

Q: How is 4,4-Diamino Diphenyl Sulphone (DADPS) commonly used in industry?

A: DADPS is primarily used as an intermediate for synthesizing dapsone, an anti-leprosy drug, and as a reagent in industrial organic synthesis. Its high purity and reliability make it suitable for pharmaceutical manufacturing and chemical research applications.

Q: What are the proper storage conditions for DADPS to ensure maximum shelf life?

A: DADPS should be stored at room temperature, ideally between 1530C, in a tightly closed container, away from direct sunlight, moisture, and incompatible materials. Under these conditions, the product maintains its quality for up to 2 years.

Q: Where can I purchase DADPS and in what packaging is it supplied?

A: DADPS is available from distributors, exporters, importers, manufacturers, retailers, suppliers, traders, and wholesalers throughout India. It is commonly supplied in 25 kg fiber drum packaging to ensure safe transport and long-term storage.

Q: What is the benefit of using DADPS in dapsone production?

A: DADPS ensures a consistent supply of high-purity intermediate essential for the efficient and reliable synthesis of dapsone. This leads to high-quality end products for anti-leprosy treatments, enhancing patient outcomes.

Q: Is DADPS soluble in water, and what solvents are preferred for its dissolution?

A: DADPS is only slightly soluble in water but dissolves effectively in a variety of organic solvents, making it adaptable to diverse pharmaceutical and industrial formulation processes.

Q: How does DADPS maintain stability during processing and storage?

A: DADPS is a stable solid with a melting point of 174178C and a boiling point of 410.7C. Its resistance to decomposition and low reactivity under recommended operating conditions (up to 300C) make it reliable for industrial applications.

Q: What grade and quality standards does DADPS meet for pharmaceutical use?

A: DADPS is supplied in pharma-grade quality with a purity of 98%, ensuring it meets stringent requirements for pharmaceutical synthesis, especially for drugs like dapsone.

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