CAS 126-58-9 Dipentaerythritol - Materials / Alfa Chemistry

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Dipentaerythritol

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Catalog Number

ACM126589

CAS Number

126-58-9

Product Name

Dipentaerythritol

Structure

Category

Monomers

Synonyms

BIS[2,2,2-TRIS(HYDROXYMETHYL)ETHYL] ETHER;DIPENTAERYTHRITOL;D-PE;D-PE300;2,2[OXYBIS(METHYLEN)]BIS[HYDROXYMETHYL]-1,3-PROPANDIOL;2,2,6,6,-Tetra(hydroxymethyl)-4-oxaheptane-1,7-diol;2,2,2,2-tetrakis(hydroxymethyl)-3,3-oxydipropan-1-ol;2-([3-Hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl)-2-(hydroxymethyl)-1,3-propanediol

Description

DryPowder; PelletsLargeCrystals

IUPAC Name

2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol

Molecular Weight

254.28

Molecular Formula

C10H22O7

Canonical SMILES

OCC(CO)(CO)COCC(CO)(CO)CO

InChI

InChI=1S/C10H22O7/c11-1-9(2-12,3-13)7-17-8-10(4-14,5-15)6-16/h11-16H,1-8H2

InChI Key

TXBCBTDQIULDIA-UHFFFAOYSA-N

Boiling Point

356°C

Melting Point

221.0 °C;212-220 °C

Density

1.33 @ 25 °C/4 °C

Solubility

0.01 M;Solubility at 25 °C in: methanol 0.25 g/100 g; ethanol 0.07 g/100 g; acetone < 0.1 g 100 g; benzene < 0.1 g/100 g.;Solubility in water 0.30 g/100 g

Appearance

Powder

Application

Dipentaerythritol serves as a versatile compound utilized in several industrial applications, including the development of explosion-proof and flame-retardant tape materials for cables. This product, a byproduct of pentaerythritol production, is known for its low solubility in water, which allows for efficient separation through fractional crystallization. The production yield can be enhanced by optimizing the ratio of formaldehyde to acetaldehyde or by using acrolein in place of acetaldehyde. Additionally, it can be intentionally synthesized from pentaerythritol with acid catalysis. Purified as a coproduct by many manufacturers, dipentaerythritol plays a key role as a co-stabilizer in systems designed to replace lead-based PVC stabilizers for environmental advantages. Its micronized form finds applications in intumescent paints, while its esters are valued as synthetic lubricants in both jet engines and refrigeration systems. Furthermore, rosin esters derived from dipentaerythritol exhibit a higher softening point compared to those from pentaerythritol, highlighting its diverse utility in industrial formulations.

Color/Form

OFF-WHITE, FREEFLOWING POWDER;White crystalline compound

Complexity

153

Covalently-Bonded Unit Count

EC Number

204-794-1

Exact Mass

254.136553g/mol

Formal Charge

Heavy Atom Count

Monoisotopic Mass