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Dipentaerythritol

Product Name
Dipentaerythritol
CAS No.
126-58-9
Chemical Name
Dipentaerythritol
Synonyms
D-PE;D-PE300;Dipentek;Dipentaerythrit;Dipentaerythitol;DIPENTAERYTHRITOL;Bis[petaerythritol];Hercules Tech Di-PE;Bis(pentaerythritol);Dipentaerythritoltech
CBNumber
CB4494074
Molecular Formula
C10H22O7
Formula Weight
254.28
MOL File
126-58-9.mol
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Dipentaerythritol Property

Melting point:
215-218 °C (lit.)
Boiling point:
356°C
Density 
1.36 g/cm3 (20℃)
vapor pressure 
<0.00001 hPa (20 °C)
refractive index 
1.4455 (estimate)
storage temp. 
Store below +30°C.
solubility 
2.4g/l
form 
Crystalline Powder
pka
13.38±0.10(Predicted)
color 
White
PH
5 (2g/l, H2O, 20℃)
Water Solubility 
0.29 g/100 mL (20 ºC)
Sensitive 
Hygroscopic
InChIKey
TXBCBTDQIULDIA-UHFFFAOYSA-N
LogP
1.8 at 23℃
CAS DataBase Reference
126-58-9(CAS DataBase Reference)
NIST Chemistry Reference
1,3-Propanediol, 2,2'-[oxybis(methylene)]bis[2-(hydroxymethyl)-(126-58-9)
EPA Substance Registry System
Dipentaerythritol (126-58-9)
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Safety

Safety Statements 
24/25
WGK Germany 
1
Autoignition Temperature
370 °C
TSCA 
Yes
HS Code 
29094919
Hazardous Substances Data
126-58-9(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: > 2000 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.14810
Product name
Dipentaerythritol
Purity
for synthesis
Packaging
25g
Price
$46.6
Updated
2024/03/01
Sigma-Aldrich
Product number
8.14810
Product name
Dipentaerythritol
Purity
for synthesis
Packaging
100g
Price
$72.4
Updated
2024/03/01
Sigma-Aldrich
Product number
D203203
Product name
Dipentaerythritol
Purity
technical grade
Packaging
500g
Price
$87.3
Updated
2024/03/01
Sigma-Aldrich
Product number
8.14810
Product name
Dipentaerythritol
Purity
for synthesis
Packaging
500g
Price
$127
Updated
2024/03/01
TCI Chemical
Product number
D1342
Product name
Dipentaerythritol
Purity
>80.0%(GC)
Packaging
25g
Price
$19
Updated
2024/03/01
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Dipentaerythritol Chemical Properties,Usage,Production

Description

Dipentaerythritol, also known as 2,2-[oxybis(methylene)- bis[2-hydroxymethyl]-1,3-propanediol, is a byproduct of pentaerythritol production. Because of its low solubility in water (0.22 g/ 100 g H2O at 20 ℃ and 10.0 g/100 g H2O at 100 ℃) it can be separated from pentaerythritol by fractional crystallization. The yield can be increased by changing the ratio of formaldehyde/ acetaldehyde towards stoichiometric. Adding pentaerythritol before starting the reaction also increases the yield. An effective method is to use acrolein instead of acetaldehyde. Dipentaerythritol can be produced intentionally from pentaerythritol by acid catalysis. Dipentaerythritol is purified as a coproduct by many pentaerythritol producers.

Chemical Properties

white crystalline powder

Uses

2,2''-(Oxybis(methylene))bis(2-(hydroxymethyl)-propane-1,3-diol) is used in preparation of new type of explosion-proof and flame-retardant tape material for cables.

Application

Dipentaerythritol (DPE) is an attractive raw material used for the production of polyesters, polyethers, polyurethanes, alkyd resins, photosensitive resin film. DPE is also employed in a wide range synthesis of specialty chemicals such as lubricants, coatings, adhesives, plasticizers and cosmetics.

Preparation

Dipentaerythritol is obtained as a byproduct in the manufacture of pentaerythritol; it is separated by fractional distillation.

Dipentaerythritol (DPE) has been prepared from a slurry of Pentaerythritol (PE) in sulfolane catalyzed by a low amount of sulfuric acid and was isolated with 16% yield (72% GPC purity) and 57% isolated selectivity.
synthesis of dipentaerythritol from pentaerythritol under acidic conditions

Application

PVC stabilizers based on calcium – zinc carboxylates use micronized dipentaerythritol as costabilizer to improve the thermal stability of PVC during processing. This system grows fast in economic significance at the expense of leadbased stabilizers due to environmental reasons. Micronized dipentaerythritol is also used in intumescent paints. Synthetic lubricants are another important application for dipentaerythritol. The C5 – C10 esters are used as lubricants in jet engines and refrigerators. Rosin esters made from dipentaerythritol have a higher softening point than rosin esters from pentaerythritol.

Flammability and Explosibility

Not classified

Dipentaerythritol Preparation Products And Raw materials

Raw materials

Preparation Products

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Dipentaerythritol Suppliers

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View Lastest Price from Dipentaerythritol manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
Dipentaerythritol 126-58-9
Price
US $10.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
5000
Release date
2024-05-10
Hebei Weibang Biotechnology Co., Ltd
Product
Dipentaerythritol 126-58-9
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
500000kg
Release date
2024-10-30
Hebei Yanxi Chemical Co., Ltd.
Product
Dipentaerythritol 126-58-9
Price
US $40.00/kg
Min. Order
1kg
Purity
0.99
Supply Ability
10 tons
Release date
2023-09-08

126-58-9, DipentaerythritolRelated Search:

Pentaerythritol triacrylate Tris(hydroxymethyl)nitromethane TETRAPHENYLOLETHANE GLYCIDYL ETHER Pentaerythritol tetranitrate TRIPENTAERYTHRITOL Pentaerythritol Decanoic acid, mixed esters with dipentaerythritol, octanoic acid and valeric acid DIPENTAERYTHRITOL PENTAACRYLATE,DIPENTAERYTHRITOL MONOHYDROXY PENTAACRYLATE Fatty acids, C5-9, hexaesters with dipentaerythritol ,Carboxylic acids, C5-9, hexaesters with dipentaerythritol Erythritol DIPENTAERYTHRITOL HEXAKIS THIOGLYCOLATE DIPENTAERYTHRITOL HEXAKIS(3-MERCAPTOPROPIONATE) ETHYL-BIS-(SODIUMTETRAZOYLAZO)ACETATE Isononanoic acid, mixed esters with dipentaerythritol, heptanoic acid and pentaerythritol Dipentaerythritol hexaacrylate of caprolactone modified dipentaerythritol Dipentaerythritol hexastearat Dipentaerythritol stearate

  • Dipentaerythritol(Di-PE)
  • 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
  • 2,2'-(Oxybis(methylene))bis-((hydroxymethyl)-1,3-propanediol)
  • 2,2’-(oxybis(methylene))bis(2-(hydroxymethyl)-3-propanediol
  • DIPENTAERYTHRITOL FOR SYNTHESIS
  • 2,2'-(Oxybis(Methylene))bis(2-(hydroxyMethyl)propane-1,3-diol)
  • Dipentaerythritol 90% 85% CAS 126-58-9
  • 2,2’-[oxybis(methylene)]bis[2-(hydroxymethyl)-3-propanediol
  • 3-Propanediol,2,2’-[oxybis(methylene)]bis[2-(hydroxymethyl)-1
  • Bis(pentaerythritol)
  • Bis[petaerythritol]
  • Dipentek
  • Hercules Tech Di-PE
  • 1,3-Propanediol, 2,2-oxybis(methylene)bis2-(hydroxymethyl)-
  • Dipentaerythritol: (Dipentek)
  • BIS[2,2,2-TRIS(HYDROXYMETHYL)ETHYL] ETHER
  • DIPENTAERYTHRITOL
  • D-PE
  • D-PE300
  • Dipentaerythritoltech
  • Dipentaerythitol
  • 2,2'-[Oxybis(methylene)]bis[2-(hydroxymethyl)-1,3-propanediol]
  • 2,2'-Oxydimethylenebis[2-(hydroxymethyl)-1,3-propanediol]
  • Dipentaerythrit
  • Dipentaerythritol,90%
  • Dipentaerythritol,technical grade
  • Dipentaerythritol, 90% 500GR
  • Dipentaerythritol 90%
  • Dipentaerythritol &gt
  • 2,2'-(Oxybis(methylene))bis(2-(hydroxymethyl)propane-1,3-diol)
  • 126-58-9
  • HOCH23CCH2OCH2CCH2OH3
  • C10H22O7
  • Building Blocks
  • Oxygen Compounds
  • Polyols
  • Organic Building Blocks
  • Fine Chemical
  • Building Blocks
  • Chemical Synthesis
  • Organic Building Blocks
  • Oxygen Compounds
  • Organic Building Blocks
  • Oxygen Compounds
  • Polyols