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79358

Sigma-Aldrich

2,6-Dimethyl-2,5-heptadien-4-one

technical, ≥95% (GC)

Synonym(s):

Phorone, sym-Diisopropylideneacetone

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About This Item

Linear Formula:
(CH3)2C=CHCOCH=C(CH3)2
CAS Number:
504-20-1
Molecular Weight:
138.21
Beilstein:
1699751
EC Number:
207-986-3
MDL number:
MFCD00008901
UNSPSC Code:
12352100
PubChem Substance ID:
24887448

vapor density

4.8 (vs air)

vapor pressure

0.38 mmHg ( 20 °C)
1 mmHg ( 42 °C)

grade

technical

Assay

≥95% (GC)

refractive index

n20/D 1.497 (lit.)
n20/D 1.497

bp

198-199 °C (lit.)

mp

23-26 °C (lit.)

density

0.885 g/mL at 25 °C (lit.)

SMILES string

C\C(C)=C\C(=O)\C=C(\C)C

InChI

1S/C9H14O/c1-7(2)5-9(10)6-8(3)4/h5-6H,1-4H3

InChI key

MTZWHHIREPJPTG-UHFFFAOYSA-N

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Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

174.2 °F - closed cup

Flash Point(C)

79 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Sophie Cazanave et al.
Journal of hepatology, 46(5), 858-868 (2007-02-06)
The agonistic Jo2 anti-Fas antibody reproduces human fulminant hepatitis in mice. We tested the hypothesis that enhancing hepatic glutathione (GSH) stores may prevent Jo2-induced apoptosis. We fed mice with a normal diet or a sulfur amino acid-enriched (SAA(+)) diet increasing
F Bahrami et al.
Chemico-biological interactions, 128(2), 97-113 (2000-10-12)
Previously we reported that methylsulphonyl-2,6-dichlorobenzene, 2, 6-(diCl-MeSO(2)-B), was irreversibly bound to the olfactory mucosa of mice and induced necrosis of the Bowman's glands with subsequent neuroepithelial degeneration and detachment. In this study, autoradiography and histopathology were used to determine tissue-localization
Tom S Chan et al.
Biochemical and biophysical research communications, 317(1), 149-156 (2004-03-30)
Using isolated rat hepatocytes we have shown that glutathione (GSH) depletion by glutathione-S-transferase (GST)-catalyzed conjugation with 1-bromoheptane or phorone was accompanied by a significant elevation in ascorbate synthesis. Glycogenolysis was also stimulated without a significant rise in glucose synthesis. Furthermore
Tom S Chan et al.
Free radical biology & medicine, 38(7), 867-873 (2005-03-08)
Most animals synthesize ascorbate. It is an essential enzymatic cofactor for the synthesis of a variety of biological molecules and also a powerful antioxidant. There is, however, little direct evidence supporting an antioxidant role for endogenously produced ascorbate. Recently, we
Satoshi Numazawa et al.
American journal of physiology. Cell physiology, 285(2), C334-C342 (2003-04-18)
Transcription factor NF-E2-related factor 2 (Nrf2) regulates the induction of antioxidative proteins, including heme oxygenase-1 (HO-1). Nrf2 is sequestered in the cytoplasm by Keap1 under unstimulated conditions but translocates into the nucleus and transactivates the antioxidant responsive element (ARE) upon
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