Thionyl chloride |
Synonyms & Trade Names Sulfinyl chloride, Sulfur chloride oxide, Sulfurous dichloride, Sulfurous oxychloride, Thionyl dichloride |
CAS No. 7719-09-7 |
RTECS No. XM5150000 |
DOT ID & Guide 1836 137 |
FormulaSOCl2 |
Conversion 1 ppm = 4.87 mg/m3 |
IDLH N.D.
See: IDLH INDEX |
Exposure Limits NIOSH REL: C 1 ppm (5 mg/m3)
OSHA PEL†: none |
Measurement Methods
None available
See: NMAM or OSHA Methods |
Physical Description Colorless to yellow to reddish liquid with a pungent odor like sulfur dioxide. [Note: Fumes form when exposed to moist air.] |
MW: 119.0 |
BP: 169°F |
FRZ: -156°F |
Sol: Reacts |
VP(70°F): 100 mmHg |
IP: ? |
Sp.Gr: 1.64 |
Fl.P: NA |
UEL: NA |
LEL: NA |
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| Noncombustible Liquid |
Incompatibilities & Reactivities Water, acids, alkalis, ammonia, chloryl perchlorate [Note: Reacts violently with water to form sulfur dioxide & hydrogen chloride.] |
Exposure Routes inhalation, ingestion, skin and/or eye contact |
Symptoms irritation eyes, skin, mucous membrane; eye, skin burns |
Target Organs Eyes, skin, respiratory system |
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Personal Protection/Sanitation (See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: No recommendation
Provide: Eyewash, Quick drench |
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately |
Respirator Recommendations Not available.
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 1409
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