2-2-Dimethoxypropane CAS 77-76-9, 2-2-Dimethoxypropane, CAS 77-76-9
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2, 2-dimethoxypropane (DMP), as a multifunctional organic intermediate, is widely used in the fields of fine chemicals, medicine and electronics.
77-76-9
C5H12O2
104.15
201-056-0
| CAS | 77-76-9 |
| Molecular formula | C5H12O2 |
| Molecular weight | 104.15 |
| EIENCS | 201-056-0 |
| Form | Liquid |
| Melting point | -47 °C |
| boling point | 83 °C (lit.) |
| Density | 0.847 g/mL at 25 °C (lit.) |
| Solubility | 180g/l |
| PKA | / |
| Color | Clear colorless |
| Storage temp | Store below +30°C. |
2, 2-dimethoxypropane (DMP), as a multifunctional organic intermediate, is widely used in the fields of fine chemicals, medicine and electronics. Its low toxicity and high reactivity support industrial-scale application, but strict precautions must be taken against the risks of flammability, explosiveness and acid sensitivity. The synthesis process is mature, and the domestic market is mainly composed of suppliers from Hubei, Shanghai and other places (such as Canos and Coward).
. When making purchases, it is recommended to give priority to choosing medical-grade certified products (such as USP/NF) to ensure purity.
Organic synthesis
Protecting group: It is used to protect the 1,2- or 1, 3-diol structure of sugar and glycoside compounds, generating ketones.
Dehydrating agent/condensing agent: Promotes esterification reactions (absorbing moisture), carboxylic acid methylation and enol ether synthesis
Medicine and Pesticides
Drug intermediates (such as the synthesis of hydroprednisone derivatives); Pesticide solvents and dispersants.
Industrial uses:
Spice synthesis, surfactant preparation, electronic chemicals (photoresist stripper).
Hazard Classification:
Flammable liquids (Category 2), vapors mixed with air can form explosive mixtures.
Health hazard: It is irritating to the eyes, skin and respiratory tract. Inhalation has an anesthetic effect.
Toxicity data:
Oral LD₅₀ in rats: 71000 mg/kg (slightly toxic).
Protective measures:
Operation: Keep the environment sealed and well-ventilated. Wear a gas mask, chemical goggles and anti-static clothing.
Storage: Keep in a cool and well-ventilated place (≤30℃), away from fire sources, oxidants and acidic substances.
Emergency response:
Leakage: Cover with sand or foam. Do not use open flames. Collect and safely incinerate or professionally dispose of.
Fire extinguishing: Foam, carbon dioxide, dry powder or sand (Do not use water to extinguish fires).
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