Propylene glycol methyl ether

Propylene glycol methyl ether (PGME or 1-methoxy-2-propanol) is an organic solvent with a wide variety of industrial and commercial uses.^[3] Similar to other glycol ethers, it is used as a carrier/solvent in printing/writing inks and paints/coatings. It also finds use as an industrial and commercial paint stripper. It is used as an antifreeze in diesel engines.^[4]

Propylene glycol methyl ether

Names
Preferred IUPAC name 1-Methoxypropan-2-ol
Other names PGME 1-Methoxy-2-propanol Methoxypropanol α-Propylene glycol monomethyl ether Dowanol PM
Identifiers
CAS Number	107-98-2 Y
3D model (JSmol)	Interactive image
ChemSpider	7612
ECHA InfoCard	100.003.218
PubChem CID	7900
UNII	74Z7JO8V3U Y
CompTox Dashboard (EPA)	DTXSID8024284
InChI InChI=1S/C4H10O2/c1-4(5)3-6-2/h4-5H,3H2,1-2H3 Key: ARXJGSRGQADJSQ-UHFFFAOYSA-N
SMILES CC(O)COC
Properties
Chemical formula	C4H10O2
Molar mass	90.122 g·mol−1
Appearance	Colorless liquid[1]
Odor	Ethereal[1]
Density	0.92 g/cm3 (20 °C)[1]
Melting point	−97 °C (−143 °F; 176 K)
Boiling point	120 °C (248 °F; 393 K)[1]
Solubility in water	Miscible[1]
log P	−0.45 [2]
Hazards
Flash point	32 °C (90 °F; 305 K)[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

See also

• Di(propylene glycol) methyl ether