3944-35-2

Basic information

• Product Name: 2,2'-[ethylenebis(oxy)]bispropane
• Synonyms: 2,2'-[ethylenebis(oxy)]bispropane;1,2-Bis[(1-methylethyl)oxy]ethane;Ai3-18366;Einecs 223-532-7;Propane, 2,2'-(1,2-ethanediylbis(oxy))bis-
• CAS NO: 3944-35-2
• Molecular Formula: C₈H₁₈O₂
• Molecular Weight: 146.22732
• EINECS: 223-532-7
• Mol File: 3944-35-2.mol
• Article Data: 3

Chemical Properties

• Boiling Point: 148.2°Cat760mmHg
• Flash Point: 26°C
• Appearance: /
• Density: 0.84g/cm³
• CAS DataBase Reference: 2,2'-[ethylenebis(oxy)]bispropane(CAS DataBase Reference)
• NIST Chemistry Reference: 2,2'-[ethylenebis(oxy)]bispropane(3944-35-2)
• EPA Substance Registry System: 2,2'-[ethylenebis(oxy)]bispropane(3944-35-2)

Safety Data

• Hazardous Substances Data: 3944-35-2(Hazardous Substances Data)

Usage

General Description

2,2'-[ethylenebis(oxy)]bispropane, also known as dipropylene glycol, is a clear, colorless, odorless liquid chemical compound. It is widely used as a solvent and a plasticizer in various industries, including cosmetics, pharmaceuticals, and personal care products. Due to its low volatility, it is often used as a carrier for fragrances and other active ingredients in perfumes and colognes. In addition, dipropylene glycol is utilized as a non-toxic antifreeze and a component in the production of polyester resins. It is considered to have low toxicity and is generally regarded as safe for use in consumer products when used in accordance with regulatory guidelines.

Upstream product

• 66478-52-2 diisopropoxyethyne 
• 108-20-3 di-isopropyl ether 
• 109-59-1 2-(1-methylethoxy)-ethanol 
• 70525-96-1 (Z)-1-bromo-1,2-diisopropoxyethene 
• 66478-46-4 meso-1,2-dichloro-1,2-diisopropoxyethane 
• 66478-58-8 (E)-1-bromo-1,2-diisopropoxy-ethene 
• 66478-58-8 1-bromo-1,2-diisopropoxy-ethene 
• 874004-97-4 1,2-diisopropoxy-ethene 
• 109-99-9 tetrahydrofuran 
• 3587-58-4 isopropoxymethyl chloride 

Relevant articles and documents

METHOD FOR PREPARING DOUBLE-SEALED-END GLYCOL ETHER

Disclosed is a method for preparing a double end capped glycol ether, the method comprising: introducing into a reactor a raw material comprising a glycol monoether and a monohydric alcohol ether, and enabling the raw material to contact and react with an acidic molecular sieve catalyst to generate a double end capped glycol ether, a reaction temperature being 50-300° C., a reaction pressure being 0.1-15 MPa, a WHSV of the glycol monoether in the raw material being 0.01-15.0 h?1, and a mole ratio of the monohydric alcohol ether to the glycol monoether in the raw material being 1-100:1. The method of the present invention enables a long single-pass lifespan of the catalyst and repeated regeneration, has a high yield and selectivity of a target product, low energy consumption during separation of the product, a high economic value of a by-product, and is flexible in production scale and application.

DIISOPROPOXY- AND DI-tert-BUTOXYETHYNE STABLE ACETYLENE DIETHERS

The rather stable acetylene diethers diisopropoxy- and di-t-butoxyethyne are prepared either from glyoxal or dioxane.Catalytic hydrogenation, acid-catalyzed hydration and formation of the corresponding hexacarbonyl dicobalt complexes are reported.