Thionyl chloride

RTECS #

XM5150000

CAS #

7719-09-7
See: NMAM or OSHA Methods

Updated

December 2018

Molecular Weight

118.96

Molecular Formula

Cl₂OS

Synonyms

Sulfinyl chloride
Sulfur chloride oxide
Sulfurous dichloride
Sulfurous oxychloride
Thionyl chloride (ACGIH)
Thionyl dichloride

Acute Toxicity Data and References

Route/Organism	Dose	Effect	Reference
inhalation/rat	lethal concentration (50 percent kill): 500 ppm/1H		NTIS** AD-A148-952

Organization	Standard	Reference
American Conference of Governmental Industrial Hygienists (ACGIH)	Threshold Limit Value-ceiling concentration 0.2 ppm	DTLVS* TLV/BEI,2013
TOXICOLOGY REVIEW		RTOPDW 54,247,2009

Organization	Standard	Reference
Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN check ACGIH TLV;
Occupational Exposure Limit IN SINGAPORE, VIETNAM check ACGIH TLV
Occupational Exposure Limit-AUSTRALIA	ceiling concentration 1 ppm (4.9 mg/m³), JUL2008
Occupational Exposure Limit-BELGIUM	time-weighted average 1 ppm (5 mg/m³), MAR2002
Occupational Exposure Limit-DENMARK	ceiling concentration 1 ppm (5 mg/m³), MAY2011
Occupational Exposure Limit-FINLAND	ceiling concentration 1 ppm (5 mg/m³), NOV2011
Occupational Exposure Limit-ICELAND	short term exposure limit 1 ppm (5 mg/m³), NOV2011
Occupational Exposure Limit-KOREA	ceiling concentration 1 ppm (5 mg/m³), 2006
Occupational Exposure Limit-NEW ZEALAND	ceiling concentration 1 ppm (4.9 mg/m³), JAN2002
Occupational Exposure Limit-PERU	short term exposure limit 1 ppm (4.9 mg/m³), JUL2005
Occupational Exposure Limit-RUSSIA	short term exposure limit 0.3 mg/m³, Skin, JUN2003
Occupational Exposure Limit-SWITZERLAND	MAK-week 1 ppm (5 mg/m³), JAN2011
Occupational Exposure Limit-THE NETHERLANDS	MAC-C 5 mg/m³, 2003
Occupational Exposure Limit-UNITED KINGDOM	short term exposure limit 1 ppm (4.9 mg/m³), OCT2007

Organization	Standard	Reference
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO THIONYL CHLORIDE-air	ceiling concentration 1 ppm	NIOSH* DHHS #92-100,1992
National Occupational Exposure Survey 1983	Hazard Code 82024; Number of Industries 2; Total Number of Facilities 43; Number of Occupations 6; Total Number of Employees Exposed 7082; Total Number of Female Employees Exposed 1223
National Occupational Hazard Survey 1974	Hazard Code 82024; Number of Industries 3; Total Number of Facilities 73; Number of Occupations 7; Total Number of Employees Exposed 2440

Organization	Reference
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001

Page last reviewed: November 16, 2018