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H3410 Aldrich

trans-2-Heptene

99%

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Properties

Related Categories Acyclic, Alkenes, Building Blocks, Chemical Synthesis, Organic Building Blocks More...
vapor pressure   88 mmHg ( 37.7 °C)
InChI Key   OTTZHAVKAVGASB-HWKANZROSA-N
assay   99%
refractive index   n20/D 1.404(lit.)
bp   98 °C(lit.)
density   0.701 g/mL at 25 °C(lit.)

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Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN 3295BF 3 / PGII
WGK Germany 
3
Flash Point(F) 
30.2 °F
Flash Point(C) 
-1 °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
What's the molarity of Product H3410, Hydrogen Peroxide Concentrate (H2O2) as sold?
If we assume an H2O2 concentration of 30% (w/w) and a density of 1.11 g/mL, then the approximate molarity is 9.8 M. You may use the exact concentration of the lot to calculate molarity more precisely. This product is 29.0% to 32.0 % (w/w).
I heard that there is a way to calculate the concentration of Product H3410, Hydrogen Peroxide Concentrate (H2O2) with a spectrophotometer.  How do I do this?
You can use the molar extinction coefficient of H2O2, which is 43.6 M-1 cm-1 at 240 nm.  Using the Beer-Lambert Law, A = ebc where e = the molar extinction coefficient, b = the path length of the cuvette in cm, and c = molar concentration, you can solve for "c" based on the absorbance you get for a H2O2 solution. If you dilute your solution with a solvent to get an absorbance reading within the capabilities of your spectrophotometer, include the dilution factor in your calculations, and correct your absorbance reading with any absorbance reading contributed by the solvent itself.
My bottle of Hydrogen Peroxide always arrives leaking.  Why is this?
According to US Department of Transportation (DOT) regulations, concentrated hydrogen peroxide must be shipped in bottles with vented caps.  This is because H2O2 disproportionates to H2O and O2 which can cause pressure buildup.  Because the bottles have vented caps, we cannot guarantee that there will be no leakage.  The only way to obtain hydrogen peroxide with a sealed cap is to purchase the 3% solution (e.g., Product No. 323381).
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. 
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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Protocols & Articles
Peer-Reviewed Papers
15

References

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