September 2010
NIOSH Publication Number 2010-168c

Picloram

Synonyms & Trade Names
4-Amino-3,5,6-trichloropicolinic acid; 4-Amino-3,5,6-trichloro-2-picolinic acid; ATCP; Tordon®
CAS No.
1918-02-1
RTECS No.
TJ7525000
DOT ID & Guide
Formula
C6H3Cl3O2N2
Conversion
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
: See Appendix D
OSHA PEL
†: TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp)
Measurement Methods

NIOSH 0600
Physical Description
Colorless to white crystals with a chlorine-like odor. [herbicide]
MW:
241.5
BP:
Decomposes		 MLT: 424°F (Decomposes)
Sol:
0.04%		 VP(95°F): 0.0000006 mmHg
IP:
?
Sp.Gr:
?
Fl.P:
?
UEL:
?
LEL:
?
Combustible Solid
Incompatibilities & Reactivities
Hot concentrated alkali (hydrolyzes)
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
irritation eyes, skin, respiratory system; nausea; in animals: liver, kidney changes
Target Organs
Eyes, skin, respiratory system, liver, kidneys
Personal Protection/Sanitation
(See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: No recommendation
Change: Daily
First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Soap wash
Breathing: Fresh air
Swallow: Medical attention immediately
Respirator Recommendations

Not available.

Important additional information about respirator selection

See also: INTRODUCTION   See ICSC CARD: 1246