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Strychnine

Synonyms & Trade Names
Nux vomica, Strynchnos
CAS No.
57-24-9
RTECS No.
WL2275000
DOT ID & Guide
1692 151
Formula
C21H22N2O2
Conversion
IDLH
3 mg/m3
See: 57249
Exposure Limits
NIOSH REL
TWA 0.15 mg/m3
OSHA PEL
TWA 0.15 mg/m3
Measurement Methods
NIOSH 5016
See: NMAM or OSHA Methods
Physical Description
Colorless to white, odorless, crystalline solid. [pesticide]
Molecular Weight
334.4
Boiling Point
Decomposes
Melting Point
514°F
Solubility
0.02%
Vapor Pressure
Low
Ionization Potential
?
Specific Gravity
1.36
Flash Point
?
Upper Exposive Limit
?
Lower Explosive Limit
?
Combustible Solid, but difficult to ignite.
Incompatibilities & Reactivities
Strong oxidizers
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
Stiff neck, facial muscle; restlessness, anxiety, increased acuity of perception; increased reflex excitability; cyanosis; tetanic convulsions with opisthotonos
Target Organs
central nervous system
Personal Protection/Sanitation
(See protection codes)
Skin:Prevent skin contact
Eyes:No recommendation
Wash skin:When contaminated
Remove:No recommendation
Change:Daily
First Aid
(See procedures)
Eye:Irrigate immediately
Skin:Soap wash promptly
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations

NIOSH/OSHA

Up to 0.75 mg/m3:
(APF = 5) Any quarter-mask respirator.
Click here for information on selection of N, R, or P filters.

Up to 1.5 mg/m3:
(APF = 10) Any particulate respirator equipped with an N95, R95, or P95 filter (including N95, R95, and P95 filtering facepieces) except quarter-mask respirators. The following filters may also be used: N99, R99, P99, N100, R100, P100.
Click here for information on selection of N, R, or P filters.
(APF = 10) Any supplied-air respirator

Up to 3 mg/m3:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode
(APF = 25) Any powered, air-purifying respirator with a high-efficiency particulate filter.
(APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters.
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece

Emergency or planned entry into unknown concentrations or IDLH conditions:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus

Escape:
(APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters.
Any appropriate escape-type, self-contained breathing apparatus

Important additional information about respirator selection

See also
INTRODUCTION   ICSC CARD: 0197   MEDICAL TESTS: 0213
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