2H,8H-Benzo[1,2-b:3,4-b']dipyran-2-one, 8,8-dimethyl-

Formula: C₁₄H₁₂O₃
Molecular weight: 228.2433
IUPAC Standard InChI: InChI=1S/C14H12O3/c1-14(2)8-7-10-11(17-14)5-3-9-4-6-12(15)16-13(9)10/h3-8H,1-2H3
IUPAC Standard InChIKey: QUVCQYQEIOLHFZ-UHFFFAOYSA-N
CAS Registry Number: 523-59-1
Chemical structure:
This structure is also available as a 2d Mol file
Other names: Amyrolin; Seselin; 2H-1-Benzopyran-6-acrylic acid, 5-hydroxy-2,2-dimethyl-, δ-lactone; Seseline; 8,8-Dimethyl-2H,8H-pyrano[2,3-f]chromen-2-one
Permanent link for this species. Use this link for bookmarking this species for future reference.
Information on this page:
Options:
- Switch to calorie-based units

Mass spectrum (electron ionization)

Go To: Top, Gas Chromatography, References, Notes

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

Due to licensing restrictions, this spectrum cannot be downloaded.

Owner	NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved.
Origin	N.W. Davies, Centr. Sci. Lab., Univ. Tasmania, Hobart, Australia
NIST MS number	107167

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.

Gas Chromatography

Go To: Top, Mass spectrum (electron ionization), References, Notes

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Van Den Dool and Kratz RI, non-polar column, custom temperature program

View large format table.

Column type	Active phase	I	Reference	Comment
Capillary	HP-5MS	2022.9	Andriamaharavo, 2014	30. m/0.25 mm/0.25 μm, He; Program: 60C (1 min) => 5 C/min => 210C => 10 C/min => 280C (15 min)

Normal alkane RI, non-polar column, temperature ramp

View large format table.

Column type	Active phase	I	Reference	Comment
Capillary	HP-5MS	2101.	Cho, Abd El-Aty, et al., 2007	30. m/0.25 mm/0.25 μm, He, 50. C @ 4. min, 5. K/min, 280. C @ 10. min
Capillary	HP-5MS	2085.	Kim, Abd El-Aty, et al., 2006	30. m/0.25 mm/0.25 μm, He, 50. C @ 4. min, 5. K/min, 280. C @ 10. min

References

Go To: Top, Mass spectrum (electron ionization), Gas Chromatography, Notes

Andriamaharavo, 2014
Andriamaharavo, N.R., Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]

Cho, Abd El-Aty, et al., 2007
Cho, S.-K.; Abd El-Aty, A.M.; Choi, J.-H.; Kim, M.R.; Shim, J.H., Optimized conditions for the extraction of secondary volatile metabolites in Angelica roots by accelerated solvent extraction, J. Pharm. Biomed. Anal., 2007, 44, 5, 1154-1158, https://doi.org/10.1016/j.jpba.2007.03.011 . [all data]

Kim, Abd El-Aty, et al., 2006
Kim, M.R.; Abd El-Aty, A.M.; Kim, I.S.; Shim, J.H., Determination of volatile flavor components in danggui cultivars by solvent free injection and hydrodistillation followed by gas chromatographic-mass spectrometric analysis, J. Chromatogr. A, 2006, 1116, 1-2, 259-264, https://doi.org/10.1016/j.chroma.2006.03.060 . [all data]

Notes

Go To: Top, Mass spectrum (electron ionization), Gas Chromatography, References

Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
Customer support for NIST Standard Reference Data products.

NIST Chemistry WebBook, SRD 69