Molekula
4-Aminophenyl disulfide
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
4-Aminophenyl disulfide is an organic compound primarily used as a cross-linking agent in polymer chemistry, particularly in the synthesis of conductive polymers and specialty elastomers. It functions as a curing agent and antioxidant in rubber formulations, helping to improve material properties like durability and electrical conductivity. This chemical has a CAS number of 722-27-0, with the molecular formula (H2NC6H4S-)2 and a molecular weight of 248.37. It should be stored at ambient conditions, and its safety classification carries a signal word of "Warning." Molekula supplies 4-Aminophenyl disulfide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
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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1 g — £18.90 per pack ex VAT · £22.68 inc. VAT
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5 g — £49.70 per pack ex VAT · £59.64 inc. VAT
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1 kg — £1,720.00 per pack ex VAT · £2,064.00 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 | Light yellow to light brown powder |
| Melting Point | 74 - 77 ℃ |
| Assay | ≥98.0% |
| Identification (IR) | Conforms to literature spectrum |
| 4-Aminothiophenol | ≤0.5% |
| 4,4-Diaminodiphenyl sulfide | ≤0.3% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 89994820 |
| CAS Number | 722-27-0 |
| IUPAC Name | 4-[(4-aminophenyl)disulfanyl]aniline |
| EC Number | 211-961-2 |
| Molecular Formula | (H2NC6H4S-)2 |
| Molecular Weight | 248.37 |
| Exact Mass | 248.0442 |
| SMILES | C1=CC(=CC=C1N)SSC2=CC=C(C=C2)N |
| InChIKey | MERLDGDYUMSLAY-UHFFFAOYSA-N |
| InChI | InChI=1S/C12H12N2S2/c13-9-1-5-11(6-2-9)15-16-12-7-3-10(14)4-8-12/h1-8H,13-14H2 |
| PubChem CID | 12875 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29309029 |
| Tariff Code | 2930909899 |
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
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- 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
Documents
Safety Data Sheets (SDS)
Available in English, English (US), 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.
Synonyms
- 4-[(4-aminophenyl)disulfanyl]aniline
- 4,4'-Diaminodiphenyldisulfide
- 4,4'-disulfanediyldianiline
- 4,4'-Dithiobisaniline
- 4,4'-Dithiodianiline
- Benzenamine, 4,4'-dithiobis-
- Bis(4-aminophenyl) disulfide
- Bis(p-aminophenyl) disulfide
- p,p'-Dithiobisaniline
- VTI-8
Frequently asked questions
What is 4-Aminophenyl disulfide commonly used for?
It is primarily used as a disulfide-containing diamine monomer and curing agent, for example in self-healing epoxies and elastomers, in polymer synthesis, and as a reagent in organic chemistry for disulfide bond formation.
What is the molecular formula and molecular weight of 4-Aminophenyl disulfide?
The molecular formula is (H₂NC₆H₄S-)₂, and the molecular weight is 248.37 g/mol.
How should 4-Aminophenyl disulfide be stored?
Store at ambient temperature in a cool, dry place, away from incompatible substances and moisture.
What purity grades are available for this product?
Molekula supplies 4-Aminophenyl disulfide in research-grade purity (typically ≥97%).
Can Molekula supply this product in bulk quantities?
Yes, we can provide bulk quantities of 4-Aminophenyl disulfide upon request, subject to availability and minimum order quantities.
What documentation comes with an order of 4-Aminophenyl disulfide?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a product specification sheet.
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.