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Dipropylene glycol

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Dipropylene glycol
Names
IUPAC names 4-Oxa-2,6-heptandiol and
4-Oxa-1,6-heptandiol
Other names 1,1'-Oxybis(1-propanol) and
1,1'-Oxybis(2-propanol)
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.042.504 Edit this at Wikidata
EC Number
  • 219-251-4
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/2C6H14O3/c1-5(7)3-9-4-6(2)8;1-3-5(7)9-6(8)4-2/h2*5-8H,3-4H2,1-2H3Key: ZWHXRCBKXVJADE-UHFFFAOYSA-N
  • InChI=1/2C6H14O3/c1-5(7)3-9-4-6(2)8;1-3-5(7)9-6(8)4-2/h2*5-8H,3-4H2,1-2H3Key: ZWHXRCBKXVJADE-UHFFFAOYAU
  • 4-oxa-2,6-heptandiol: InChI=1S/C6H14O3/c1-3-5(7)9-6(8)4-2/h5-8H,3-4H2,1-2H3Key: QYSXYAURTRCDJU-UHFFFAOYSA-N
SMILES
  • OCCCOCCCO
  • 4-oxa-2,6-heptandiol: CC(O)COCC(C)O
Properties
Chemical formula C6H14O3
Molar mass 134.173 g/mol
Appearance colorless liquid
Density 1.0206 g/cm at 20 °C
Boiling point 230.5 °C (446.9 °F; 503.6 K)
Solubility in water Miscible
Solubility Soluble in ethanol
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g. canola oilInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
1 1 0
Flash point 121 °C (250 °F; 394 K)
Autoignition
temperature 		310 °C (590 °F; 583 K)
Safety data sheet (SDS) SIRI.org
Related compounds
Related compounds Ethylene glycol
Propylene glycol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). ☒N verify (what is  ?) Infobox references
Chemical compound

Dipropylene glycol is a mixture of three isomeric chemical compounds, 4-oxa-2,6-heptandiol, 2-(2-hydroxy-propoxy)-propan-1-ol, and 2-(2-hydroxy-1-methyl-ethoxy)-propan-1-ol. It is a colorless, nearly odorless liquid with a high boiling point and low toxicity.

Uses

Dipropylene glycol finds many uses as a plasticizer, an intermediate in industrial chemical reactions, as a polymerization initiator or monomer, and as a solvent. Its low toxicity and solvent properties make it an ideal additive for perfumes and skin and hair care products. It is also a common ingredient in commercial fog fluid, used in entertainment industry fog machines.

References

  1. Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, Florida: CRC Press. p. 342. ISBN 0-8493-0594-2.
  2. ^ "Dipropylene Glycol Regular Grade (DPG)". Dow Chemical. Archived from the original on 2009-03-15. Retrieved 2009-04-07.
  3. ^ Lloyd R. Whittington, ed. (1993). Whittington's Dictionary of Plastics (3 ed.). Technomic Publishing. p. 138. ISBN 1-56676-090-9. Retrieved 2009-04-07.
  4. "Dipropylene Glycol LO+ (DPG LO+)". Dow Chemical. Archived from the original on 2009-06-19. Retrieved 2009-04-07.


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