3,4-dimethoxybenzaldehhyde
3,4-Dimethoxybenzaldehyde
CAS: 120-14-9
Molecular Formula: C9H10O3
3,4-dimethoxybenzaldehhyde - Names and Identifiers
3,4-dimethoxybenzaldehhyde - Physico-chemical Properties
| Molecular Formula | C9H10O3 |
| Molar Mass | 166.17 |
| Density | 1.1708 (rough estimate) |
| Melting Point | 40-43 °C (lit.) |
| Boling Point | 281 °C (lit.) |
| Flash Point | >230°F |
| JECFA Number | 877 |
| Solubility | Several insoluble in cold water, soluble in hot water, ethanol and oils. |
| Vapor Presure | 0.09Pa at 24℃ |
| Appearance | White to brownish-yellow or blue-gray needle crystals (those crystallized in ether) |
| Color | White to yellow |
| Merck | 14,9951 |
| BRN | 473899 |
| Storage Condition | 2-8°C |
| Stability | Stable. Incompatible with strong bases, strong oxidizing agents. |
| Sensitive | Air Sensitive |
| Refractive Index | 1.5260 (estimate) |
| MDL | MFCD00003363 |
| Physical and Chemical Properties | Melting Point: 40-43°C(lit.) boiling point 281°C(lit.) FEMA 3109 flash point> 230 °F water solubility <0.1g/100 mL at 22°C Sensitive Air Sensitive merck 14,9951 BRN 473899 |
| Use | The pharmaceutical industry is used for the synthesis of the drug methyldopa and also for the production of the veterinary drug sulfanilamide Synergist, trichlorfon |
3,4-dimethoxybenzaldehhyde - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R38 - Irritating to the skin R36/37/38 - Irritating to eyes, respiratory system and skin. R36/38 - Irritating to eyes and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| RTECS | YX5088000 |
| FLUKA BRAND F CODES | 9-23 |
| TSCA | Yes |
| HS Code | 29124900 |
| Toxicity | LD50 orally in Rabbit: 2000 mg/kg LD50 dermal Rabbit > 5000 mg/kg |
3,4-dimethoxybenzaldehhyde - Upstream Downstream Industry
| Raw Materials | Dimethyl sulfate Vanillin |
3,4-dimethoxybenzaldehhyde - Reference
| Reference Show more | 1. Xu Yanyang, Zhao Yujuan, Gao Feng, Wang Erlei, Lu Hailing, Li Xuefeng, Jiang Wenwen, Chen Yan. Analysis of Polyphenols in Different Parts of Chinese Ginseng by High Performance Liquid Chromatography [J]. Food Science, 2021,42(04):240-246. |
3,4-dimethoxybenzaldehhyde - Reference Information
| FEMA | 3109 | VERATRALDEHYDE |
| LogP | 0.8 at 25℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | GB 2760-1996 specifies food spices that are allowed to be used. This product is an organic synthesis intermediate. The pharmaceutical industry is used to synthesize the drug methyldopa, and it is also used to produce the veterinary drug sulfa synergist diomycetine. This veterinary drug is mixed into the feed in 0.02% (weight) to increase the efficiency of iodoamine added in the feed for the prevention and control of bacterial infection in poultry. Pharmaceutical intermediates, mainly used in the synthesis of antibiotic drugs. |
| Production method | It is obtained by the reaction of 3-methoxy-4-hydroxybenzaldehyde (vanillin) and dimethyl sulfate. It is methylated by vanillin and dimethyl sulfate under alkaline conditions. |
Last Update：2024-04-09 19:05:10
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Raw Materials for 3,4-dimethoxybenzaldehhyde