September 2010

NIOSH Publication Number 2010-168c

Atrazine
Synonyms & Trade Names 2-Chloro-4-ethylamino-6-isopropylamino-s-triazine; 6-Chloro-N-ethyl-N'- (1-methylethyl)-1,3,5-triazine-2,4-diamine
CAS No. 1912-24-9		RTECS No. XY5600000		DOT ID & Guide 2763 151 (triazine pesticide)
Formula C₈H₁₄ClN₅		Conversion		IDLH N.D. See: IDLH INDEX
Exposure Limits NIOSH REL : TWA 5 mg/m³ OSHA PEL †: none				Measurement Methods NIOSH 8315
Physical Description Colorless or white, odorless, crystalline powder. [herbicide]
MW: 215.7	BP: Decomposes	MLT: 340°F	Sol: 0.003%	VP: 0.0000003 mmHg	IP: NA
Sp.Gr: 1.19	Fl.P: NA	UEL: NA	LEL: NA
Noncombustible Solid, but may be mixed with flammable liquids.
Incompatibilities & Reactivities Strong acids, strong bases
Exposure Routes inhalation, ingestion, skin and/or eye contact
Symptoms irritation eyes, skin; dermatitis, sensitization skin; dyspnea (breathing difficulty), lassitude (weakness, exhaustion), incoordination, salivation; hypothermia; liver injury
Target Organs Eyes, skin, respiratory system, central nervous system, liver
Personal Protection/Sanitation (See protection codes) Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: Daily Provide: Eyewash, Quick drench				First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash immediately Breathing: Respiratory support Swallow: Medical attention immediately
Respirator Recommendations Not available. Important additional information about respirator selection
See also: INTRODUCTION See ICSC CARD: 0099