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℃)
bulk density: 400-450kg/m3
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 Mojin Biotechnology Co.,Ltd

Product: Dipentaerythritol 126-58-9
Price: US $0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 50000KG/month
Release date: 2024-05-24

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

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

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

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Polyols

Organic Building Blocks

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Building Blocks

Chemical Synthesis

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Oxygen Compounds

Organic Building Blocks

Oxygen Compounds

Polyols