1.422 (NTP, 1992) - Denser than water; will sink
1.422
1.4 g/cm³
Physical Description
1,4-naphthoquinone appears as yellow needles or brownish green powder with an odor of benzoquinone. (NTP, 1992)
Dry Powder
Yellow solid with a pungent odor; [ICSC] "Begins to sublimes below 100 deg C." [Merck Index]
YELLOW CRYSTALS OR FLAKES WITH PUNGENT ODOUR.
Appearance
Yellow triclinic needles from alcohol or petroleum ether
YELLOW POWDER
Yellow crystals
State
Solid
Storage Conditions
STORAGE PRECAUTIONS: You should protect this chemical from exposure to light. Keep the container tightly closed under an inert atmosphere, and store under refrigerated temperatures. (NTP, 1992)
Computed Properties
Structural Parameters
Heavy atom count
12
Aromatic heavy atom count
6
H-bond acceptors
2
Molar refractivity
44.24
TPSA
34.14
LogP / Solubility
WLOGP
1.62
MLOGP
1.42
XLogP3
1.7
Consensus LogP
1.58
Log S (ESOL)
-2.21
Class (ESOL)
Moderately soluble
Log S (Ali)
-2.03
Class (Ali)
Moderately soluble
Log S (SILICOS-IT)
-2.03
Class (SILICOS-IT)
Moderately soluble
ADME
GI absorption
High
BBB permeant
Yes
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-2.53
Drug-likeness / Medicinal Chemistry
Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
No
Bioavailability score
0.55
PAINS alerts
1
Leadlikeness
No
Synthetic Accessibility
1.5
Safety & Transport
Pictogram(s)
Corrosive
Acute Toxic
Irritant
Health Hazard
Environmental Hazard
Signal
Danger
GHS Hazard Statements
H301 (99.2%): Toxic if swallowed [Danger Acute toxicity, oral]
H314 (32.3%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
H315 (66.9%): Causes skin irritation [Warning Skin corrosion/irritation]
H317 (88.4%): May cause an allergic skin reaction [Warning Sensitization, Skin]
H318 (30.3%): Causes serious eye damage [Danger Serious eye damage/eye irritation]