2,2′-Diaminophenylsulfide
2,2′-Diaminophenylsulfide (CAS 5873-51-8) is an organic sulfur compound with the linear formula S(C<sub>6</sub>H<sub>4</sub>NH<sub>2</sub>)<sub>2</sub> and a molecular weight of 216.30 g/mol. This chemical serves as a valuable building block in organic synthesis, particularly in the development of novel organic molecules. Its structure makes it suitable for various chemical transformations and material science applications. Available from Tech Serve Solutions with a typical assay of 97%.
- IUPAC
- 2,2′-Thiodianiline
- Synonyms
- 2,2′-ThiodianilineSulfide bis(2-aminophenyl)

Organic Synthesis Intermediate
Utilised as a precursor in the synthesis of complex organic molecules and heterocyclic compounds. Its diamine and sulfide functionalities allow for diverse derivatisation pathways.
Material Science Research
Investigated for potential applications in the development of new materials, such as polymers or functionalised surfaces. The sulfur atom and amine groups offer sites for polymerisation or cross-linking.
Pharmaceutical Intermediate Development
Serves as a scaffold for the synthesis of potential pharmaceutical agents or drug discovery intermediates. Its structural features can be incorporated into biologically active molecules.
| Molecular weight | 216.30 |
|---|---|
| Linear formula | S(C6H4NH2)2 |
| Assay | 97% |
| Melting point | 85-88 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2,2′-Diaminophenylsulfide used for?
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2,2′-Diaminophenylsulfide is primarily used as a building block in organic synthesis, for material science research, and as a potential intermediate in pharmaceutical development.
What are the CAS number and formula for 2,2′-Diaminophenylsulfide?
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The CAS number is 5873-51-8, and its linear formula is S(C<sub>6</sub>H<sub>4</sub>NH<sub>2</sub>)<sub>2</sub>.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,2′-Diaminophenylsulfide with a minimum assay of 97%. This product is intended for research and industrial use, and is not represented as USP, BP, EP, or pharmaceutical grade.
How should 2,2′-Diaminophenylsulfide be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid breathing dust. In case of contact with eyes, rinse cautiously with water for several minutes, ensuring the contact lenses are removed if present and easy to do. Continue rinsing.
Is 2,2′-Diaminophenylsulfide a controlled substance?
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The provided data does not indicate that 2,2′-Diaminophenylsulfide is a controlled substance.
How can I request a sample or quote for 2,2′-Diaminophenylsulfide?
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To request a sample or a quotation, please contact the Tech Serve Solutions sales team through our website or by phone, referencing the product name and CAS number 5873-51-8.
How is 2,2′-Diaminophenylsulfide packed and shipped?
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2,2′-Diaminophenylsulfide is packed and exported according to industry standards for chemical safety and integrity, suitable for global distribution.
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