2,5-Dimethoxybenzaldehyde CAS No.: 93-02-7 CAS No.: 93-02-7
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Category：Pharmaceutical Materials Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
2,5-Dimethoxybenzaldehyde (2,5-DMBA) is a benzaldehyde derivative with significant applications in pharmaceuticals, organic synthesis, and psychoactive drug production. It serves as a precursor for 2,5-dimethoxyphenethylamine (2C-H), which is further utilized to synthesize substituted phenethylamines like 2C-B, 2C-I, and 2C-C. Structurally, it features two methoxy groups at the 2 and 5 positions of a benzaldehyde backbone, contributing to its reactivity and solubility in organic solvents. Industrial synthesis typically involves methylation of hydroxy-methoxybenzaldehyde using sulfuric acid dimethyl ester in alkaline conditions. Safety considerations include its irritant properties (Xi) and potential to cause respiratory and skin sensitization (R36/37/38, R43). Storage requires protection from light and moisture, and handling mandates respiratory and eye protection due to its hazardous nature.
Usage： Used as Pharmaceutical intermediates.
Packaging and Shipping： 25KG/drum or as per buyer requirements.
Storage: Store in a well-ventilated place. Keep container tightly closed. Store separately from oxidants and food additives.
| Name | 2,5-Dimethoxybenzaldehyde |
| CAS No. | 93-02-7 |
| Molecular Formula | C₉H₁₀O₃ |
| Molecular Weight | 166.17 g/mol |
| Appearance | Yellow crystalline powder |
| Melting Point | 46-48°C |
| Boiling Point | 283.8°C (760 mmHg) |
| Flash Point | 120.6°C |
| Synthesis | Methylated via hydroxy-methoxybenzaldehyde and dimethyl sulfate in alkaline solution |
| Applications | Intermediate for 2,5-dimethoxyphenethylamine (2C-H) and psychoactive drugs |
| Safety | Irritant to skin, eyes, respiratory tract; potential allergen. Store in cool, dry, ventilated area. Use PPE (gloves, goggles, respirator). |
Names and Identifiers
| Name | 2,5-Dimethoxybenzaldehyde |
| Synonyms | 93-02–7 NSC 6315 2,5-Dimethoxybenzald 5-DiMethoxy benzaldehyde 2,5-Dimethylbenzaldehyde 2,5-Dimethoxybenzaldehyde 2,5-DIMETHOXYBENZALDEHYDE 2,5-Dimethoxy benzaldehyde |
| CAS | 93-02-7 |
| EINECS | 202-211-5 |
| InChI | InChI=1/C9H10O3/c1-11-8-3-4-9(12-2)7(5-8)6-10/h3-6H,1-2H3 |
| InChIKey | AFUKNJHPZAVHGQ-UHFFFAOYSA-N |
Physico-chemical Properties
| Molecular Formula | C9H10O3 |
| Molar Mass | 166.17 |
| Density | 1.1708 (rough estimate) |
| Melting Point | 46-48 °C (lit.) |
| Boling Point | 146 °C/10 mmHg (lit.) |
| Flash Point | >230°F |
| Water Solubility | Soluble in chloroform and methanol. Slightly soluble in water. |
| Solubility | 795mg/l |
| Appearance | Crystalline Powder, Crystals and/or Chunks |
| Color | Yellow to beige |
| BRN | 509301 |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Sensitive | Air Sensitive |
| Refractive Index | 1.5260 (estimate) |
| MDL | MFCD00003314 |
| Physical and Chemical Properties | Pale yellow crystalline powder. |
| Use | Used as a pharmaceutical Intermediate |
Risk and Safety
| Hazard Symbols | Xi – Irritant |
| Risk Codes | R36/37/38 – Irritating to eyes, respiratory system and skin. R43 – May cause sensitization by skin contact |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. S24/25 – Avoid contact with skin and eyes. S36 – Wear suitable protective clothing. |
| WGK Germany | 2 |
| RTECS | CU5740500 |
| TSCA | Yes |
| HS Code | 29124900 |
| Hazard Note | Irritant |
Introduction
Insoluble in water, soluble in most organic solvents.
Reference Information
| Use | for pharmaceutical intermediates |
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