二季戊四醇

Description

Dipentaerythritol · CAS 126-58-9 · C10H22O7. UNII 6699UJQ478. Melting Point: 212-220 °C; Density: 1.33 @ 25 °C/4 °C; Density: 1.33 @25 °C.

Identification

CAS Registry Number	126-58-9
PubChem CID	31352
Molecular formula	C10H22O7
IUPAC name	2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol
UNII (FDA)	6699UJQ478

Computed Descriptors

Molecular Weight	254.28
XLogP3	-3.8
Hydrogen Bond Donor Count	6
Hydrogen Bond Acceptor Count	7
Rotatable Bond Count	10
Exact Mass	254.13655304
Monoisotopic Mass	254.13655304
Topological Polar Surface Area	131
Heavy Atom Count	17
Formal Charge	0

Physical & Chemical Properties

Melting Point	212-220 °C
Density	1.33 @ 25 °C/4 °C
Density	1.33 @25 °C

Physical description & handling notes

• Other Solid; Dry Powder; CBI; Large Crystals
• Off-white or white solid; [HSDB] White powder; [MSDSonline]
• OFF-WHITE, FREEFLOWING POWDER
• White crystalline compound
• 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

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS
GHS notification summary	99.7% (576 / 578)

GHS Hazard Classification

GHS notification summary	99.7% (576 / 578)

Documented Uses

• Used in paints and coatings; [Hawley] Used to make polyesters used as paint vehicles; as fatty acid esters used as lubricants; as raw material for plastics and PVC stabilizers; in cosmetics/hygiene products including hair rinses and nail lacquers; for steel coatings; in putties and paint resins; and as a softening agent in detergents; [eChemPortal: SIDSUNEP]
• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• Plastics -> Other functions -> Other stabiliser
• Plastics -> Polymer Type -> N.a.
• Not Known or Reasonably Ascertainable
• Dipentaerythritol is obtained as a byproduct in the manufacture of pentaerythritol; it is separated by fractional distillation.

Synonyms

DIPENTAERYTHRITOL; 126-58-9; Dipentek; Bis(pentaerythritol); 1,3-Propanediol, 2,2'-[oxybis(methylene)]bis[2-(hydroxymethyl)-; NSC 65881; DTXSID3027039; HSDB 5610; EINECS 204-794-1; 2,2,2',2'-Tetrakis(hydroxymethyl)-3,3'-oxydipropan-1-ol; NSC-65881; 6699UJQ478; DTXCID207039; DIPENTAERYTHRITOL [HSDB]; EC 204-794-1; 1,3-Propanediol, 2,2'-(oxybis(methylene))bis(2-(hydroxymethyl)-

Frequently Asked Questions

What are the CAS number and molecular formula of Dipentaerythritol?

CAS 126-58-9; molecular formula C10H22O7; molecular weight — g/mol.

What other names is Dipentaerythritol known by?

DIPENTAERYTHRITOL, 126-58-9, Dipentek, Bis(pentaerythritol), 1,3-Propanediol, 2,2'-[oxybis(methylene)]bis[2-(hydroxymethyl)-, NSC 65881.

What is the regulatory status of Dipentaerythritol?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is Dipentaerythritol classified as hazardous?

99.7% of GHS notifications report no hazard classification (576 of 578).

What are the key physical properties of Dipentaerythritol?

Melting Point: 212-220 °C; Density: 1.33 @ 25 °C/4 °C; Density: 1.33 @25 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.