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Sulfur monochloride																				Related Pages
										May 1994
Immediately Dangerous to Life or Health Concentrations (IDLH)
**CAS number:** 10025–67–9
**NIOSH REL:** 1 ppm (6 mg/m3) CEILING
**Current OSHA PEL:** 1 ppm (6 mg/m3) TWA
**1989 OSHA PEL:** 1 ppm (6 mg/m3) CEILING
**1993-1994 ACGIH TLV:** 1 ppm (5.5 mg/m3) CEILING
**Description of substance:** Light-amber to yellow-red, oily liquid with a pungent, nauseating, irritating odor.
**LEL:** . . Unknown
**Original (SCP) IDLH:** 10 ppm
**Basis for original (SCP) IDLH:** Very little data are available on which to base the IDLH for sulfur monochloride. The chosen IDLH has been estimated from the statement by ACGIH [1971] that 12 ppm for 15 minutes was tolerated by cats, but four times that concentration, also for 15 minutes, could lead to death after a few days [Flury and Zernik 1931]. No other useful data are available on which to base the IDLH.
**Short-term exposure guidelines:** None developed
**ACUTE TOXICITY DATA:**
**Lethal concentration data:**

**Species**
    **Reference**
    **LC50** **(ppm)**
    **LCLo** **(ppm)**
    **Time**
    **Adjusted 0.5-hr** **LC (CF)**
    **Derived value**Mouse
    Flury & Zernik 1931
    -----
    150
    1 min
    48 ppm (0.32)
    4.8 ppmCat
    Henderson & Haggard 1943
    LC100: 60
    -----
    15 min
    47 ppm (0.79)
    4.7 ppm**Other animal data:** It has been reported that cats have tolerated 15-minute exposures to 12 ppm, while 48 ppm could lead to death after a few days [Flury and Zernik 1931].
 **Human data:** None relevant for use in determining the revised IDLH.
 
 **Revised IDLH:** 5 ppm **Basis for revised IDLH:** The revised IDLH for sulfur monochloride is 5 ppm based on acute inhalation toxicity data in animals [Flury and Zernik 1931; Henderson and Haggard 1943].**REFERENCES:**
1. ACGIH [1971]. Sulfur monochloride. In: Documentation of the threshold limit values for substances in workroom air. 3rd ed. Cincinnati, OH: American Conference of Governmental Industrial Hygienists, pp. 240-241.
2. Flury F, Zernik F [1931]. Schädliche gase dämpfe, nebel, rauch- und staubarten. Berlin, Germany: Verlag von Julius Springer, pp. 146-147 (in German).
3. Henderson Y, Haggard HW [1943]. Noxious gases. 2nd ed. New York, NY: Reinhold Publishing Corporation, p. 130.

			
							
								Page last reviewed:  December 4, 2014						Content
							source: 	National Institute for Occupational Safety and Health NIOSH Publications & Products
Immediately Dangerous To Life or Health (IDLH) Values
Table of IDLH Values
Criteria for Determining IDLH Values
Historical Documentation
Original (SCP) Values
Abbreviations for IDLH Documentation
Abbreviations for Journal Titles Follow NIOSH Facebook
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