2,2′-Dithiodi(1-naphthylamine)
2,2′-Dithiodi(1-naphthylamine) (CAS 38262-57-6) is a disulphide compound with the linear formula (-SC₁₀H₆NH₂)₂ and a molecular weight of 348.48 g/mol. Supplied by Tech Serve Solutions for fluorescence applications, it is primarily utilised for the fluorimetric determination of aromatic aldehydes. This reagent is also employed in assays for dopamine β-hydroxylase and catechol-O-methyltransferase, making it a valuable tool in biochemical research.
- IUPAC
- 1,1′-Diamino-2,2′-dinaphthyl disulfide,2,2′-Dithio-bis(1-aminonaphthalene),DTAN
- Synonyms
- (-SC10H6NH2)21,1′-Diamino-2,2′-dinaphthyl disulfide2,2′-Dithio-bis(1-aminonaphthalene)DTAN

Fluorimetric Determination of Aldehydes
2,2′-Dithiodi(1-naphthylamine) is specifically used for the fluorimetric determination of aromatic aldehydes. Its reaction with these compounds allows for sensitive and quantitative analysis in various research and analytical settings.
Enzyme Assays
This compound serves as a reagent in enzymatic assays, including those for dopamine β-hydroxylase and catechol-O-methyltransferase. It aids in the quantitative assessment of enzyme activity crucial for biochemical studies.
Biochemical Research Reagent
As a specialised biochemical, 2,2′-Dithiodi(1-naphthylamine) is employed in diverse research applications where its unique chemical properties can be leveraged for detection and analysis.
| Molecular weight | 348.48 |
|---|---|
| Linear formula | (-SC10H6NH2)2 |
| Assay | ≥97.0% (CHN) |
| Grade | for fluorescence |
| Storage temperature | 2-8°C |
| Application | 2,2′-Dithiodi(1-naphthylamine) (DTAN) is used for the fluorimetric determination of aromatic aldehydes and for the determination of aldehydes used in the assay procedures for dopamine β-hydroxylase and catechol-O-methyltransferase.1 |
| Melting point | 132-134 °C(lit.)133-135 °C |

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) | 26-38 |
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′-Dithiodi(1-naphthylamine) used for?
+
2,2′-Dithiodi(1-naphthylamine) is used for the fluorimetric determination of aromatic aldehydes and in assay procedures for dopamine β-hydroxylase and catechol-O-methyltransferase.
What is the CAS number and formula for 2,2′-Dithiodi(1-naphthylamine)?
+
The CAS number is 38262-57-6 and its linear formula is (-SC₁₀H₆NH₂)₂.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 2,2′-Dithiodi(1-naphthylamine) for fluorescence applications with an assay of ≥97.0% (CHN). This product is not represented as USP, BP, EP, or other pharmacopoeial grades.
How should 2,2′-Dithiodi(1-naphthylamine) be handled and stored?
+
Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Store at refrigeration temperatures between 2-8°C. It is classified as an irritant to skin, eyes, and the respiratory tract (H315, H319, H335).
Is 2,2′-Dithiodi(1-naphthylamine) available for international export?
+
Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 2,2′-Dithiodi(1-naphthylamine).
How can I request a quote or sample for 2,2′-Dithiodi(1-naphthylamine)?
+
Please contact our sales team directly through the website to request a quote or sample for 2,2′-Dithiodi(1-naphthylamine).
▶ Related products
![(±)-(E)-4-Ethyl-2-[(E)-hydroxyimino]-5-nitro-3-hexenamide (C8H13N3O4) — chemical structure, CAS 138472-01-2; Biochemicals & Reagents, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F138472-01-2.png&w=3840&q=75)
(±)-(E)-4-Ethyl-2-[(E)-hydroxyimino]-5-nitro-3-hexenamide
C8H13N3O4
Biochemicals & Reagents![(±)-(E)-4-Ethyl-2-[(Z)-hydroxyimino]-5-nitro-3-hexen-1-yl-nicotinamide (C14H18N4O4) — chemical structure, CAS 162626-99-5; Biochemicals & Reagents, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F162626-99-5.png&w=3840&q=75)
(±)-(E)-4-Ethyl-2-[(Z)-hydroxyimino]-5-nitro-3-hexen-1-yl-nicotinamide
C14H18N4O4
Biochemicals & Reagents
(±)-2,5-Dimethoxy-4-bromoamphetamine hydrobromide
Biochemicals & Reagents

(±)-2-(p-Methoxyphenoxy)propionic acid
C10H12O4
Biochemicals & Reagents
(±)-2-Amino-6,7-dihydroxy-1,2,3,4-tetrahydronaphthalene hydrobromide
C10H13NO2·HBr
Biochemicals & Reagents
(±)-2-Hydroxydecanoic acid
C10H20O3
Biochemicals & Reagents
(±)-3-Hydroxydecanoic acid
C10H20O3
Biochemicals & Reagents
(±)-3-Hydroxyoctanoic acid
C8H16O3
Biochemicals & Reagents▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis