# NIOSH Pocket Guide to Chemical Hazards
Clopidol | CAS 2971-90-6
C7H7Cl2NO | RTECS UU7711500
Synonyms & Trade Names Coyden®; 3,5-Dichloro-2,6-dimethyl-4-pyridinol | DOT ID & Guide
Exposure Limits | NIOSH REL: TWA 10 mg/m3 (total) ST 20 mg/m3 (total) TWA 5 mg/m3 (resp)
OSHA PEL: TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp)
IDLH N.D. | Conversion
Physical Description White to light-brown, crystalline solid.
MW: 192.1 | BP: ? | MLT: >608°F | Sol: Insoluble
VP: ? | IP: ? |  | Sp.Gr: ?
Fl.P: NA | UEL: NA | LEL: NA |
Noncombustible Solid, but dust may explode in cloud form.
Incompatibilities & Reactivities None reported
Measurement Methods NIOSH 0500, 0600
Personal Protection & Sanitation Skin: No recommendation Eyes: No recommendation Wash skin: No recommendation Remove: No recommendation Change: No recommendation | First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash Breathing: Fresh air
Respirator Recommendations To be added later
Exposure Routes inhalation, skin and/or eye contact
Symptoms Irritation eyes, skin, nose, throat; cough
Target Organs Eyes, skin, respiratory system
See also: INTRODUCTION