Thionyl chloride
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CAS
7719-09-7
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SOCl2
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RTECS
XM5150000
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Synonyms & Trade Names
Sulfinyl chloride, Sulfur chloride oxide, Sulfurous dichloride, Sulfurous oxychloride, Thionyl dichloride
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DOT ID & Guide
1836 / 137
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Exposure
Limits
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NIOSH REL: C 1 ppm (5 mg/m3)
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OSHA PEL†: none
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IDLH
N.D.
See: IDLH INDEX
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Conversion
1 ppm = 4.87 mg/m3
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Physical Description
Colorless to yellow to reddish liquid with a pungent odor like sulfur dioxide. [Note: Fumes form when exposed to moist air.]
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MW: 119.0
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BP: 169°F
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FRZ: -156°F
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Sol: Reacts
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VP(70°F): 100 mmHg
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IP: ?
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Sp.Gr: 1.64
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Fl.P: NA
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UEL: NA
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LEL: NA
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Noncombustible Liquid
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Incompatibilities & Reactivities
Water, acids, alkalis, ammonia, chloryl perchlorate [Note: Reacts violently with water to form sulfur dioxide & hydrogen chloride.]
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Measurement Methods
None available
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: No recommendation
Provide: Eyewash, Quick drench
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
Not available.
Important additional information about respirator selection
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Exposure Routes
inhalation, ingestion, skin and/or eye contact
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Symptoms
Irritation eyes, skin, mucous membrane; eye, skin burns
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Target Organs
Eyes, skin, respiratory system
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See also: INTRODUCTION See ICSC CARD: 1409
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