4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran
4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran (CAS 51325-91-8), molecular formula C19H17N3O, is a high-purity chemical supplied by Tech Serve Solutions for organic & printed electronics applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- DCM

| Molecular weight | 303.36 |
|---|---|
| Empirical formula | C19H17N3O |
| Composition | Dye content, 98% |
| Melting point | 215-220 °C(lit.) |


Hazard statements
- H228Flammable solid
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Flash point | 43 °C / 109.4 °F |
| Transport (UN / ADR) | UN 3175 4.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xn |
| Risk statements (R) | 11-20-36/37/38 |
| Safety statements (S) | 7/9-16-26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Absorption | λmax 468 nm |
|---|---|
| Oled Device Performance | ITO/Alq3:DCM/Alq3/Mg:Ag2• Color: red• Max. EQE: 1.3 %ITO/TPD/Alq3:DCM (10%)/Alq3/Mg:Ag3• Color: red• Max. Luminance: 150 Cd/m2 |
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran?
+
4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran (CAS 51325-91-8), molecular formula C19H17N3O, is a high-purity chemical supplied by Tech Serve Solutions for organic & printed electronics applications, to USP, BP and EP standards.
What grades of 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran?
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4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran has CAS number 51325-91-8 and molecular formula C19H17N3O. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran be stored?
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Store 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran used for?
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4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran is used in organic & printed electronics applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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