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237825 Aldrich

Bis(2-ethylhexyl) phosphate


Synonym: ‘Dioctyl’ phosphate, Bis(2-ethylhexyl) hydrogen phosphate, Di(2-ethylhexyl) phosphate, HDEHP, HDEHPA



Related Categories Building Blocks, Chemical Synthesis, Organic Building Blocks, Organic Phosphates/Phosphites, Phosphorus Compounds More...
assay   97%
refractive index   n20/D 1.443(lit.)
mp   −60 °C(lit.)
solubility   ethanol: soluble100 mg/mL, clear
density   0.965 g/mL at 25 °C(lit.)


Frequently Asked Questions

Frequently Asked Questions are available for this Product.


25, 100, 500 g in glass bottle

Price and Availability

Safety & Documentation

Safety Information

Signal word 
Hazard statements 
Precautionary statements 
UN 1902 8 / PGIII
WGK Germany 
Flash Point(F) 
266 °F
Flash Point(C) 
130 °C

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis. These documents are located on the product detail page under Useful Links & Tools. Click on the following link to search for a Certificate of Analysis. Please click the following link to see the details on our Product Dating Information.
How do I get lot-specific information or a Certificate of Analysis?
A Certificate of Analysis is available by lot number and can be obtained through our Advanced Search Option: http://www.sigmaaldrich.com/catalog/AdvancedSearchPage.do
How do I find price and availability?
There are several ways to find pricing and availability for our products.  Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers. 
Is Product 237825, Bis(2-ethylhexyl) phosphate, a solid or a liquid?
Although the product is sold by weight, it is a liquid. The density is 0.965 g/mL at 25 °C(lit.).
Is Product 237825, Bis(2-ethylhexyl) phosphate, also known as HDEHP?
Yes. HDEHP is a synonym for Bis(2-ethylhexyl) phosphate.
What is the solubility of Product 237825, Bis(2-ethylhexyl) phosphate?
This product is soluble in ethanol (100 mg/mL), yielding a clear solution.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS. To access the shipping information for this material, use the link on the product detail page for the product, or search here. 
My question is not addressed here, how can I contact Technical Service for assistance?
Use the option to the right to "Ask a Question" by email of a Technical Service Scientist.
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