This product has historical factory records. Recorded pack sizes and purity can be used as a supply reference, while project-specific availability is confirmed by inquiry.
437 to 441 °F (NTP, 1992)
225 to 227 °C (decomp)
437-441 °F
Density
1.302 at 68 °F (NTP, 1992) - Denser than water; will sink
1.33 at 22 °C /as per source/
1.3 g/cm³
1.302
Physical Description
Simazine is a white to off-white crystalline powder. (NTP, 1992)
Colorless to white crystals; [EXTOXNET]
WHITE CRYSTALLINE POWDER.
White to off-white crystalline powder.
Appearance
White solid
Colorless powder
Crystals from ethanol or methyl Cellosolve
State
Solid
Storage Conditions
STORAGE PRECAUTIONS: You should store this chemical under ambient temperatures and away from mineral acids and bases. You should also protect from light. (NTP, 1992)
Storage stability is three years at room temperature under dry conditions.
Computed Properties
Structural Parameters
Heavy atom count
13
Aromatic heavy atom count
6
Fraction Csp3
0.57
Rotatable bonds
4
H-bond acceptors
5
H-bond donors
2
Molar refractivity
53.16
TPSA
62.73
LogP / Solubility
WLOGP
1.39
MLOGP
1.22
XLogP3
2.2
Consensus LogP
1.6
Log S (ESOL)
-2.04
Class (ESOL)
Moderately soluble
Log S (Ali)
-2.22
Class (Ali)
Moderately soluble
Log S (SILICOS-IT)
-2.6
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)
-2.96
Drug-likeness / Medicinal Chemistry
Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
Yes
Bioavailability score
0.55
Leadlikeness
No
Synthetic Accessibility
1.5
Safety & Transport
Pictogram(s)
Health Hazard
Environmental Hazard
Irritant
Signal
Warning
Danger
GHS Hazard Statements
H351: Suspected of causing cancer [Warning Carcinogenicity]
H400: Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
H410: Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]
H302 (51.7%): Harmful if swallowed [Warning Acute toxicity, oral]
H319 (51.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]