Molekula
Dimetil acetilendicarboxilato
Dimethyl acetylenedicarboxylate
Certificado ISO 9001:2015 e ISO 14001:2015 · Suministro a laboratorios e industria desde el año 2000 · Certificado de Análisis (CoA) con cada lote
Dimethyl acetylenedicarboxylate (DMAD) is a highly reactive acetylenic ester used as a key reagent in organic synthesis, particularly for Diels-Alder reactions, cycloadditions, and the preparation of complex organic molecules. It serves as a versatile building block in pharmaceutical, agrochemical, and polymer research. CAS 762-42-5, molecular formula CH3OCOC≡CCO2CH3, molecular weight 142.11 g/mol. Store at ambient temperature. Signal word: Danger. Molekula supplies Dimethyl acetylenedicarboxylate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Resumen
Dimethyl acetylenedicarboxylate (DMAD) is a highly reactive acetylenic ester used as a key reagent in organic synthesis, particularly for Diels-Alder reactions, cycloadditions, and the preparation of complex organic molecules. It serves as a versatile building block in pharmaceutical, agrochemical, and polymer research. CAS 762-42-5, molecular formula CH3OCOC≡CCO2CH3, molecular weight 142.11 g/mol. Store at ambient temperature. Signal word: Danger. Molekula supplies Dimethyl acetylenedicarboxylate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Precios y tamaños de envase
Especificaciones
| Property | Value |
|---|---|
| Appearance | Clear colourless to yellow liquid |
| Water | ≤ 0.5% (KF) |
| Assay (GC) | ≥ 96.0 - 102% (anhydrous) |
| Total Impurities | ≤ 2.0% |
| Single Largest Impurity | ≤ 1.0% |
| Identification (RAMAN) | Conforms to Reference |
Almacenamiento y manejo
| Property | Value |
|---|---|
| Temperatura de Almacenamiento | Ambient |
| Punto de inflamación | 86 C |
| Clase de transporte | 8 |
| Grupo de empaquetado | II |
| Acidez | Neutral |
Identificación
| Property | Value |
|---|---|
| SKU | 90033803 |
| Número CAS | 762-42-5 |
| Fórmula molecular | CH3OCOC≡CCO2CH3 |
| Peso molecular | 142.11 |
| SMILES | COC(=O)C#CC(=O)OC |
| Número EC / UN | 1760 |
| Código REACH | Y110 |
| Incluido en el listado TSCA | Sí |
| Código HTS | 29171920 |
| Código arancelario | 2917198015 |
Seguridad y GHS
-
Corrosive
GHS05
-
Health Hazard
GHS07
Declaraciones de peligro
- H227 Combustible líquido.
- H302 Nocivo en caso de ingestión.
- H314 (sub cat. 1B) Provoca quemaduras graves en la piel y lesiones oculares graves.
Declaraciones de precaución
- P210 Mantener alejado del calor, de superficies calientes, de chispas, de llamas abiertas y de cualquier otra fuente de ignición. No fumar.
- P260 No respirar el polvo/el humo/el gas/la niebla/los vapores/el aerosol.
- P280 Llevar guantes/prendas/gafas/máscara de protección.
- P301+310 EN CASO DE INGESTIÓN: Llamar inmediatamente a un CENTRO DE TOXICOLOGÍA/médico/...
- P303+361 En caso de contacto con la piel (o el pelo): Quitar inmediatamente toda la ropa contaminada. Enjuagar con agua o ducharse.
- P305+351+338 EN CASO DE CONTACTO CON LOS OJOS: Aclarar cuidadosamente con agua durante varios minutos. Quitar las lentes de contacto, si lleva y resulta fácil. Seguir aclarando.
Documentos
Certificado de Análisis (CoA) por lote
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Sinónimos
No se han registrado nombres alternativos para este producto.
Preguntas frecuentes
What is dimethyl acetylenedicarboxylate commonly used for?
It is primarily used as a **dienophile in Diels-Alder reactions**, a **cross-linking agent in polymer chemistry**, and as an **intermediate in pharmaceutical synthesis** (e.g., for natural product derivatives).
What is the molecular formula and molecular weight of dimethyl acetylenedicarboxylate?
The molecular formula is **C₆H₆O₄** (CH₃OCOC≡CCO₂CH₃), and the molecular weight is **142.11 g/mol**.
How should dimethyl acetylenedicarboxylate be stored?
Store in a **cool, dry place at ambient temperature**, away from heat, sparks, and incompatible materials (e.g., strong oxidizers). Use airtight containers.
What purity grades are available for this product?
Molekula supplies it in **technical grade (95%+ purity)** and **reagent grade (98%+ purity)** for research and industrial applications.
Can Molekula supply dimethyl acetylenedicarboxylate in bulk quantities?
Yes, we offer **bulk packaging options** (e.g., 5kg, 25kg drums, or IBCs) for large-scale production needs—please inquire for specific availability.
What documentation is provided with an order of dimethyl acetylenedicarboxylate?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability and compliance.
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