N-Cyclohexyl-2-pyrrolidone

N-Cyclohexyl-2-pyrrolidone or CHP[1] is a yellow to colorless liquid. It has a low vapor pressure, and is nearly odorless.[2] It has a low solubility in water, but is soluble in a variety of organic solvents.

N-Cyclohexyl-2-pyrrolidone
Names
Preferred IUPAC name
1-Cyclohexylpyrrolidin-2-one
Other names
CHP
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.027.199 Edit this at Wikidata
UNII
  • InChI=1S/C10H17NO/c12-10-7-4-8-11(10)9-5-2-1-3-6-9/h9H,1-8H2 ☒N
    Key: PZYDAVFRVJXFHS-UHFFFAOYSA-N ☒N
  • InChI=1/C10H17NO/c12-10-7-4-8-11(10)9-5-2-1-3-6-9/h9H,1-8H2
    Key: PZYDAVFRVJXFHS-UHFFFAOYAM
  • O=C2N(C1CCCCC1)CCC2
  • O=C1N(C2CCCCC2)CCC1
Properties
C10H17NO
Molar mass 167.252 g·mol−1
Appearance Colorless to yellow liquid
Density 1.007 g/cm3
Melting point 12 °C (54 °F; 285 K)
Boiling point 284 °C (543 °F; 557 K)
Viscosity 11.5 cP
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Toxic
Flash point 145 °C (293 °F; 418 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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CHP is used in the electronics industry as a photoresist stripper (usually in combination with other solvents like N-methyl-2-pyrrolidone), and as a chemical polisher of copper in circuit board fabrication.[3] It is also used in the textiles industry as a dye carrier in aramid fabrics.[2]

References

edit
  1. ^ Chem Blink
  2. ^ a b BASF the chemical company
  3. ^ International Specialty Products, Performance & Industrial Chemicals – Reference Guide (PDF), p. 13