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Captan																				Related Pages
Synonyms & Trade Names
			Captane, N-Trichloromethylmercapto-4-cyclohexene-1,2-dicarboximide
CAS No.
			133-06-2
	RTECS No.
			GW5075000
	DOT ID & Guide

FormulaC9H8Cl3NO2S
	Conversion
	IDLH
			Ca [N.D.]See: IDLH INDEX

Exposure Limits
			NIOSH RELCa TWA 5 mg/m3See Appendix A
					OSHA PEL none See Appendix G
	Measurement Methods
			**NIOSH** 5601 , 9202 , 9205
					
					See: NMAM or OSHA Methods
										
Physical Description
			Odorless, white, crystalline powder.
					[fungicide] [Note: Commercial product is a yellow powder with a pungent odor.]													
										
Molecular Weight300.6	
	Boiling PointDecomposes
	Melting Point352°F (Decomposes)
	Solubility(77°F): 0.0003%
	Vapor Pressure0 mmHg (approx)
	Ionization PotentialNA											
Specific Gravity1.74	
	Flash Point?
	Upper Explosive Limit?
	Lower Explosive Limit?
Combustible Solid; may be dissolved in flammable liquids.
Incompatibilities & Reactivities
			Strong alkaline materials (e.g., hydrated lime)
					[Note: Corrosive to metals.]
Exposure Routes
			inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
			irritation eyes, skin, upper respiratory system; blurred vision; dermatitis, skin sensitization; dyspnea (breathing difficulty); diarrhea, vomiting; [potential occupational carcinogen]
Target Organs
			Eyes, skin, respiratory system, gastrointestinal tract, liver, kidneys
Cancer Site[in animals: duodenal tumors]										
Personal Protection/Sanitation
			(See protection codes) **Skin:**Prevent skin contact
							**Eyes:**Prevent eye contact
							**Wash skin:**When contaminated/Daily
							**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
			**NIOSH****At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration:** (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 (gas mask) with a chin-style, front- or back-mounted organic vapor canisterAny appropriate escape-type, self-contained breathing apparatus
				Important additional information about respirator selection
See also
			INTRODUCTION
					  ICSC CARD: 0120

			
							

			Page last reviewed:  October 30, 2019						Content
							source: 	National Institute for Occupational Safety and Health NIOSH Pocket Guide to Chemical Hazards
Introduction
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Chemical Names, Synonyms and Trade Names
A
B
C
D
E
F
G
H
I
J
K
L
M
N
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P
Q
R
S
T
U
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CAS Numbers
RTECS Numbers
Appendices
A – NIOSH Potential Occupational Carcinogens
B – Thirteen OSHA-Regulated Carcinogens
C – Supplementary Exposure Limits
D – Substances with No Established RELs
E – OSHA Respirator Requirements for Selected Chemicals
F – Miscellaneous Notes
G – 1989 Air Contaminants Update Project: Exposure Limits NOT in Effect
Type C & CE – Definitions for Type C and Type CE Respirators
Personal Protection and Sanitation Codes
First Aid Procedures Follow NIOSH Facebook
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