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| Thioglycolic acid | CAS 68-11-1 | ||
| HSCH2COOH | RTECS AI5950000 | ||
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Synonyms & Trade Names Acetyl mercaptan, Mercaptoacetate, Mercaptoacetic acid, 2-Mercaptoacetic acid, 2-Thioglycolic acid, Thiovanic acid |
DOT ID & Guide 1940 153 |
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Exposure Limits |
NIOSH REL: TWA 1 ppm (4 mg/m3) [skin] | ||
| OSHA PEL�: none | |||
| IDLH N.D. | Conversion 1 ppm = 3.77 mg/m3 | ||
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Physical Description Colorless liquid with a strong, disagreeable odor characteristic of mercaptans. [Note: Olfactory fatigue may occur after short exposures.] |
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MW: 92.1 |
BP: ? |
FRZ: 2°F |
Sol: Miscible |
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VP(64°F): 10 mmHg |
IP: ? |
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Sp.Gr: 1.32 |
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Fl.P: >230°F |
UEL: ? |
LEL: 5.9% |
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| Class IIIB Combustible Liquid: Fl.P. at or above 200�F. | |||
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Incompatibilities & Reactivities Air, strong oxidizers, bases, active metals (e.g., sodium potassium, magnesium, calcium) [Note: Readily oxidized by air.] |
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Measurement Methods None available |
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Personal Protection & Sanitation 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 To be added later | |
| Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, nose, throat; lacrimation (discharge of tears), corneal damage; skin burns, blisters; in animals: lassitude (weakness, exhaustion); gasping respirations; convulsions | |
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Target Organs
Eyes, skin, respiratory system |
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| See also: INTRODUCTION |