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Merck
CN

15702

SAFC

Tropolone

Synonym(s):

2-Hydroxy-2,4,6-cycloheptatrien-1-one

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About This Item

Empirical Formula (Hill Notation):
C7H6O2
CAS Number:
533-75-5
Molecular Weight:
122.12
Beilstein:
1904978
EC Number:
208-577-2
MDL number:
MFCD00004158
UNSPSC Code:
12352200
NACRES:
NA.21

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Assay

≥98.0% (GC)

Quality Level

400

form

solid

impurities

≤20 mg/kg heavy metals
≤3880 mg/kg residual solvents (cyclohexane) (GLC-HS)
≤5000 mg/kg residual solvents (pentane, MTBE) (GLC-HS)
≤890 mg/kg residual solvents (toluene) (GLC-HS)

bp

80-84 °C/0.1 mmHg (lit.)

mp

50-52 °C (lit.)

suitability

suitable for manufacturing use

storage temp.

2-8°C

SMILES string

OC1=CC=CC=CC1=O

InChI

1S/C7H6O2/c8-6-4-2-1-3-5-7(6)9/h1-5H,(H,8,9)

InChI key

MDYOLVRUBBJPFM-UHFFFAOYSA-N

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Analysis Note

remarks on GC:
acetic acid ≤5000 mg/kg; dichloroacetic acid: determine

solubility
0.25g in 5 ml ethanol, clear to very faintly turbid

solubility color:
colorless to very dark yellow and colorless to very dark greenish yellow and colorless to very dark brownish yellow and colorless to very dark orange

Signal Word

Danger

Hazard Statements

H314,H317,H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1B

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

233.6 °F - closed cup

Flash Point(C)

112 °C - closed cup

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Certificates of Analysis (COA)

Lot/Batch Number
BCCC1973
BCCC1972
BCCC1971
BCCC1895
BCCB5729

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Mengcen Wang et al.
Applied and environmental microbiology, 79(6), 1906-1914 (2013-01-15)
To screen biocontrol agents against Burkholderia plantarii, the causative agent of rice seedling blight, we employed catechol, an analog of the virulence factor tropolone, to obtain chemical stress-resistant microorganisms. The fungal isolate PS1-7, identified as a strain of Trichoderma virens
Mohammad R Seyedsayamdost et al.
Journal of the American Chemical Society, 133(45), 18343-18349 (2011-09-21)
Marine bacteria and microalgae engage in dynamic symbioses mediated by small molecules. A recent study of Phaeobacter gallaeciensis, a member of the large roseobacter clade of α-proteobacteria, and Emiliania huxleyi, a prominent member of the microphytoplankton found in large algal
Brian D Herman et al.
The Biochemical journal, 455(2), 179-184 (2013-08-10)
EFV (efavirenz) and β-thujaplicinol [2,7-dihydroxy-4-1(methylethyl)-2,4,6-cycloheptatrien-1-one] have contrasting effects on the RNase H activity of HIV-1 RT (reverse transcriptase). EFV binds in the non-nucleoside inhibitor-binding pocket and accelerates this activity, whereas β-thujaplicinol binds in the RNase H active site and inhibits
Anahit Penesyan et al.
Marine drugs, 9(8), 1391-1402 (2011-09-06)
Surface-associated marine bacteria often produce secondary metabolites with antagonistic activities. In this study, tropodithietic acid (TDA) was identified to be responsible for the antibacterial activity of the marine epiphytic bacterium Pseudovibrio sp. D323 and related strains. Phenol was also produced
Yi Shen et al.
Chemical & pharmaceutical bulletin, 60(11), 1437-1441 (2012-11-06)
A new butyrolactone, 7″-hydroxybutyrolactone III (1) and three new cycloheptanetriones, terretrione A-C (2-4), together with five known compounds, butyrolactone I, cyclo(Leu-Pro), cyclo(Val-Pro), cyclo(Ile-Pro), cyclo(Phe-Pro), were isolated from mangrove-associated marine fungus Aspergillus terreus. The structures of these compounds were elucidated on
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