Molecular formula
C27H14F5NO6

SMILES
C1=CC2=C(C=C1NC(=O)C3=C(C(=C(C(=C3F)F)F)F)F)C(OC24C5=C(C=C(C=C5)O)OC6=C4C=CC(=C6)O)O

Fragrance
Odorless	63.92%
Phenolic	27.59%
Savory	21.19%
Burnt	20.64%
Bitter	19.76%
Animal	18.99%
Fruity	18.9%
Milky	17.94%
Dry	16.19%
Smoky	15.73%

 

Flavor
Bitter	95.71%
Odorless	35.24%
Bland	25.23%
Sweet-like	20.74%
Cedarleaf	19.09%
Very strong	18.72%
Nitrile	18.68%
Indole	18.54%
Rotten	17.77%
Scallion	17.63%

 

Odor impact est.
Odorless

XLogP3-AA
4.0

pKa est.
6.66 (neutral)

Molecular weight
543.4 g/mol

Vapor pressure est.

• hPa @ 20°C
• hPa @ 25°C

Evaporation rate
Ultra slow

Boiling point est.
1074°C

Flash point

• 242.02 ˚C est.

• 5-(Pentafluorobenzoylamino)Fluorescein
• PFB-F
• 2,3,4,5,6-pentafluoro-N-(3,3',6'-trihydroxyspiro[3H-2-benzofuran-1,9'-xanthene]-5-yl)benzamide
• DTXSID70415521
• MFCD02259676
• PFB-F cpd
• SCHEMBL1650598
• DTXCID60366371
• AKOS030241755
• FP49921
• G85282
• 2,3,4,5,6-Pentafluoro-N-(3,3',6'-trihydroxyspiro[3H-2-benzofuran-1,9'-xanthene]-5-yl)benzamide; PFB-F

5-(Pentafluorobenzoylamino)Fluorescein is used as a fluorescent labeling reagent and bioconjugation handle due to its pentafluorobenzoyl amide moiety. In practice, it is commonly applied to label proteins, peptides, and nucleic acids for fluorescence-based detection and imaging, including immunoassays (ELISA) and microarrays. It also serves as a fluorescent dye for biological imaging and flow cytometry. Additionally, it finds use in coatings, inks, and polymer sensors as a fluorescent tag, and as a building block for activated labeling reagents in materials research, subject to local regulations and formulation limits.

gpt-5-nano

Solvent	Solubility (g/L)
ethanol	3.17
methanol	5.01
isopropanol	1.89
water	0.05
ethyl acetate	6.0
n-propanol	3.39
acetone	12.34
n-butanol	1.98
acetonitrile	4.94
DMF	41.97
toluene	0.49
isobutanol	1.55
1,4-dioxane	10.48
methyl acetate	8.91
THF	31.79
2-butanone	12.42
n-pentanol	1.29
sec-butanol	2.05
n-hexane	0.01
ethylene glycol	5.86
NMP	40.7
cyclohexane	0.03
DMSO	55.47
n-butyl acetate	3.62
n-octanol	1.82
chloroform	1.72
n-propyl acetate	4.39
acetic acid	28.67
dichloromethane	1.87
cyclohexanone	12.84
propylene glycol	6.45
isopropyl acetate	3.65
DMAc	50.31
2-ethoxyethanol	14.42
isopentanol	1.31
n-heptane	0.04
ethyl formate	7.1
1,2-dichloroethane	1.41
n-hexanol	0.93
2-methoxyethanol	28.84
isobutyl acetate	1.66
tetrachloromethane	0.19
n-pentyl acetate	3.89
transcutol	22.77
n-heptanol	1.53
ethylbenzene	0.2
MIBK	2.48
2-propoxyethanol	15.61
tert-butanol	1.51
MTBE	1.03
2-butoxyethanol	10.84
propionic acid	9.75
o-xylene	0.34
formic acid	18.42
diethyl ether	1.32
m-xylene	0.25
p-xylene	0.25
chlorobenzene	0.43
dimethyl carbonate	9.01
n-octane	0.03
formamide	23.49
cyclopentanone	25.14
2-pentanone	5.56
anisole	1.72
cyclopentyl methyl ether	3.35
gamma-butyrolactone	34.67
1-methoxy-2-propanol	19.05
pyridine	9.41
3-pentanone	3.95
furfural	23.0
n-dodecane	0.04
diethylene glycol	17.18
diisopropyl ether	0.26
tert-amyl alcohol	1.62
acetylacetone	14.79
n-hexadecane	0.05
acetophenone	3.46
methyl propionate	8.35
isopentyl acetate	2.45
trichloroethylene	4.86
n-nonanol	1.96
cyclohexanol	1.48
benzyl alcohol	2.65
2-ethylhexanol	0.68
isooctanol	1.12
dipropyl ether	1.55
1,2-dichlorobenzene	0.4
ethyl lactate	6.08
propylene carbonate	11.13
n-methylformamide	23.83
2-pentanol	0.95
n-pentane	0.02
1-propoxy-2-propanol	10.07
1-methoxy-2-propyl acetate	10.13
2-(2-methoxypropoxy) propanol	11.31
mesitylene	0.13
ε-caprolactone	14.82
p-cymene	0.26
epichlorohydrin	22.0
1,1,1-trichloroethane	0.86
2-aminoethanol	7.85
morpholine-4-carbaldehyde	39.51
sulfolane	47.49
2,2,4-trimethylpentane	0.02
2-methyltetrahydrofuran	6.96
n-hexyl acetate	4.4
isooctane	0.01
2-(2-butoxyethoxy)ethanol	14.98
sec-butyl acetate	2.04
tert-butyl acetate	3.43
decalin	0.02
glycerin	15.29
diglyme	23.31
acrylic acid	14.25
isopropyl myristate	1.83
n-butyric acid	7.79
acetyl acetate	6.83
di(2-ethylhexyl) phthalate	2.51
ethyl propionate	3.69
nitromethane	55.72
1,2-diethoxyethane	4.97
benzonitrile	2.43
trioctyl phosphate	2.1
1-bromopropane	0.55
gamma-valerolactone	60.18
n-decanol	1.38
triethyl phosphate	1.98
4-methyl-2-pentanol	0.54
propionitrile	3.84
vinylene carbonate	10.77
1,1,2-trichlorotrifluoroethane	31.65
DMS	5.48
cumene	0.12
2-octanol	0.97
2-hexanone	3.86
octyl acetate	3.15
limonene	0.39
1,2-dimethoxyethane	17.19
ethyl orthosilicate	1.6
tributyl phosphate	2.01
diacetone alcohol	9.3
N,N-dimethylaniline	1.06
acrylonitrile	7.92
aniline	1.88
1,3-propanediol	8.8
bromobenzene	0.3
dibromomethane	0.79
1,1,2,2-tetrachloroethane	3.47
2-methyl-cyclohexyl acetate	2.36
tetrabutyl urea	3.89
diisobutyl methanol	0.45
2-phenylethanol	2.47
styrene	0.25
dioctyl adipate	3.95
dimethyl sulfate	14.49
ethyl butyrate	3.5
methyl lactate	14.91
butyl lactate	6.55
diethyl carbonate	2.73
propanediol butyl ether	10.91
triethyl orthoformate	3.17
p-tert-butyltoluene	0.23
methyl 4-tert-butylbenzoate	5.07
morpholine	16.01
tert-butylamine	0.36
n-dodecanol	0.94
dimethoxymethane	18.49
ethylene carbonate	7.92
cyrene	16.2
2-ethoxyethyl acetate	8.75
2-ethylhexyl acetate	1.82
1,2,4-trichlorobenzene	0.95
4-methylpyridine	4.92
dibutyl ether	1.46
2,6-dimethyl-4-heptanol	0.45
DEF	9.62
dimethyl isosorbide	18.11
tetrachloroethylene	1.76
eugenol	6.43
triacetin	9.17
span 80	8.99
1,4-butanediol	3.32
1,1-dichloroethane	0.98
2-methyl-1-pentanol	0.93
methyl formate	19.65
2-methyl-1-butanol	1.47
n-decane	0.07
butyronitrile	2.35
3,7-dimethyl-1-octanol	1.14
1-chlorooctane	0.41
1-chlorotetradecane	0.19
n-nonane	0.05
undecane	0.06
tert-butylcyclohexane	0.01
cyclooctane	0.02
cyclopentanol	3.44
tetrahydropyran	4.53
tert-amyl methyl ether	1.18
2,5,8-trioxanonane	17.89
1-hexene	0.1
2-isopropoxyethanol	7.44
2,2,2-trifluoroethanol	10.86
methyl butyrate	5.4

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