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.
347 to 351 °F (NTP, 1992)
177.0 °C
173 °C
173-177 °C
340 °F
Boiling Point
Decomposes (NIOSH, 2024)
205 °C/101 kPa
No boiling point at normal pressure; decomposes on heating
decomposes
Decomposes
Density
1.2 at 68 °F (est) (USCG, 1999) - Denser than water; will sink
1.23 g/cu cm at 22 °C
Relative density (water = 1): 1.2
1.19
Physical Description
Atrazine is a white crystalline solid. Melting point 173-175 °C. Sinks in water. A selective herbicide used for season-long weed control in a variety of crops.
Colorless or white, odorless, crystalline powder. [herbicide]; [NIOSH]
Solid
COLOURLESS CRYSTALS.
Colorless or white, odorless, crystalline powder.
Appearance
Colorless powder
Colorless or white, crystalline powder
State
Solid
Storage Conditions
STORAGE PRECAUTIONS: You should store this material in a refrigerator. (NTP, 1992)
Provision to contain effluent from fire extinguishing. Separated from food and feedstuffs. Store in an area without drain or sewer access.
Computed Properties
Structural Parameters
Heavy atom count
14
Aromatic heavy atom count
6
Fraction Csp3
0.62
Rotatable bonds
4
H-bond acceptors
5
H-bond donors
2
Molar refractivity
57.76
TPSA
62.73
LogP / Solubility
WLOGP
1.78
MLOGP
1.57
XLogP3
2.6
Consensus LogP
1.98
Log S (ESOL)
-2.35
Class (ESOL)
Moderately soluble
Log S (Ali)
-2.61
Class (Ali)
Moderately soluble
Log S (SILICOS-IT)
-3.02
Class (SILICOS-IT)
Poorly 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)
-2.77
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
GHS Hazard Statements
H317: May cause an allergic skin reaction [Warning Sensitization, Skin]
H373 **: May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
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]
H317 (100%): May cause an allergic skin reaction [Warning Sensitization, Skin]