Pentaerythritol

Pentaerythritol is an organic compound with the formula C(CH2OH)4. Classified as a polyol, it is a white solid. Pentaerythritol is a building block for the synthesis and production of explosives, plastics, paints, appliances, cosmetics, and many other commercial products.

Pentaerythritol
Names
Preferred IUPAC name
2,2-Bis(hydroxymethyl)propane-1,3-diol
Other names
2,2-Bis(hydroxymethyl)1,3-propanediol
Pentaerythritol
Hercules P 6
Monopentaerythritol
Tetramethylolmethane
THME
PETP
Pentaerythrite
Pentek
Hercules Aqualon improved technical PE-200
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
DrugBank
ECHA InfoCard 100.003.732
EC Number
  • 204-104-9
KEGG
RTECS number
  • RZ2490000
UNII
  • InChI=1S/C5H12O4/c6-1-5(2-7,3-8)4-9/h6-9H,1-4H2 N
    Key: WXZMFSXDPGVJKK-UHFFFAOYSA-N N
  • InChI=1/C5H12O4/c6-1-5(2-7,3-8)4-9/h6-9H,1-4H2
    Key: WXZMFSXDPGVJKK-UHFFFAOYAH
  • OCC(CO)(CO)CO
Properties
C5H12O4
Molar mass 136.15 g/mol
Appearance white solid
Density 1.396 g/cm3
Melting point 260.5 °C (500.9 °F; 533.6 K)
Boiling point 276 °C (529 °F; 549 K) at 30 mmHg
  • 38.46 g/L (0°C)
  • 47.62 g/L (10°C)
  • 52.60 g/L (15°C)
  • 56.60 g/L (20°C)
  • 74.07 g/L (30°C)
  • 115.0 g/L (40°C)
  • 180.3 g/L (60°C)
  • 285.7 g/L (80°C)
  • 500.0 g/L (100°C)
Solubility

Slightly soluble in:methanol, ethanol, glycerol, ethylene glycol, formamide;

insoluble in: acetone, toluene, heptane, diethyl ether, dichloromethane

Vapor pressure 0.00000008 mmHg (20°C)
Hazards
Flash point 200.1 °C (392.2 °F; 473.2 K)
NIOSH (US health exposure limits):
PEL (Permissible)
 TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp)
REL (Recommended)
 TWA 10 mg/m3 (total) TWA 5 mg/m3 (resp)
IDLH (Immediate danger)
 N.D.
Related compounds
Related compounds
 Neopentane, Neopentyl alcohol, Neopentyl glycol, Trimethylolethane, Orthocarbonic acid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

The word pentaerythritol is a blend of penta- in reference to its 5 carbon atoms and erythritol, which also possesses 4 alcohol groups.

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