Name | dipropylene glycol monomethyl ether, mixture of isomers |
Synonyms | DPM Methoxypropoxypropanol Di(propylene glycol) methyl ether Dipropylene glycol monomethyl ether dipropylene glycol monomethyl ether, mixture of isomers |
CAS | 34590-94-8 |
EINECS | 252-104-2 |
InChI | InChI=1/C7H16O3/c1-3-7(8)10-6-4-5-9-2/h7-8H,3-6H2,1-2H3 |
Molecular Formula | C7H16O3 |
Molar Mass | 148.2 |
Density | 0.958g/cm3 |
Melting Point | -80°C |
Boling Point | 155.6°C at 760 mmHg |
Flash Point | 47.9°C |
Vapor Presure | 1.09mmHg at 25°C |
Appearance | Transparent liquid |
Storage Condition | Room Temprature |
Refractive Index | 1.423 |
MDL | MFCD00059604 |
Physical and Chemical Properties | Character: colorless transparent viscous liquid. With a pleasant smell. melting point -80 ℃ boiling point 187.2 ℃ relative density 0.9608 refractive index 1.4220 flash point 82 ℃ solubility in water and a variety of organic solvents miscible. |
Use | Used as a solvent for nitrocellulose, ethyl cellulose, polyvinyl acetate, etc |
Safety Description | S23 - Do not breathe vapour. S24/25 - Avoid contact with skin and eyes. |
UN IDs | NA 1993 / PGIII |
Raw Materials | Ethylene Oxide Methyl alcohol Methyl alcohol |
Properties:
Dipropylene glycol monomethyl ether is a colorless liquid with a relatively low melting point and a higher boiling point. It is soluble in water and many organic solvents, displaying good solubility. This compound has low toxicity and volatility, and exhibits a certain degree of stability.
Uses:
Dipropylene glycol monomethyl ether is mainly used as an industrial solvent, employed in applications such as paints, varnishes, inks, coatings, and adhesives. It is also used as a cleaning agent and solvent in the electronics industry. Additionally, it can serve as a lubricating oil additive and a surface tension-reducing agent.
Synthesis:
Dipropylene glycol monomethyl ether can be synthesized by the reaction of dipropylene glycol with methanol in the presence of a catalyst. There are various methods for its preparation, including epoxidation reactions, oxidation reactions, etc.
Safety:
When used properly, dipropylene glycol monomethyl ether is relatively safe, but the following precautions should be taken into consideration:
1. Avoid skin and eye contact; in case of accidental contact, rinse with plenty of water immediately.
2. Avoid inhaling vapors; use in well-ventilated areas.
3. Do not mix with strong oxidizing agents to prevent hazardous reactions.
4. Store away from heat sources and high temperatures.
Personal protective measures should be taken during use, and relevant safety procedures should be followed.