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Chemical Sampling Information
Thionyl Chloride
 Field Definitions
 Analytical Methods
 Health Guidelines
General Description

NAME: Thionyl Chloride

SYNONYM(s): (1)RTECS 85-86

IMIS: T104

CAS: 7719-09-7

NIOSH: RTECS XM5150000; 82325

DESCRIPTION:

Pale yellow to red liquid with suffocating odor; FP -105 C; BP 79 C; decomposes at 140 C, decomposes (fumes) in water, soluble in benzene, carbon tetrachloride.
MW: 118.96
MOLFM: ClOS

Exposure Limits

ACGIH TLV: 1 ppm, 4.9 mg/m3 Ceiling

NIOSH REL: 1 ppm Ceiling

Health Factors

Monitoring

PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):



MEDIA: Midget Fritted Glass Bubbler (MFGB) containing 10 mL Deionized Water
MIN T: 15 Minutes   MAX F: 1.0 L/min (Ceiling)
ANL 1: Ion Chromatography; IC
REF: 2 (OSHA In-house file)
CLASS: Not Validated
NOTE: The analyte is hydrolyzed by water to SO2 and HCl. Proposed sampling and analytical procedure follows OSHA ID-174SG for total Cl- which is reported as the compound.

WIPE:

No


Revision Date: 01/15/1993
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