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Catechol |
CAS 120-80-9 | ||
C6H4(OH)2 |
RTECS UX1050000 | ||
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Synonyms & Trade Names 1,2-Benzenediol; o-Benzenediol; 1,2-Dihydroxybenzene; o-Dihydroxybenzene; 2-Hydroxyphenol; Pyrocatechol |
DOT ID & Guide |
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Exposure
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NIOSH REL: TWA 5 ppm (20 mg/m3) [skin] | ||
| OSHA PEL†: none | |||
| IDLH N.D. See: IDLH INDEX | Conversion 1 ppm = 4.50 mg/m3 | ||
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Physical Description Colorless, crystalline solid with a faint odor. [Note: Discolors to brown in air & light.] |
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MW: 110.1 |
BP: 474°F |
MLT: 221°F |
Sol: 44% |
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VP(244°F): 10 mmHg |
IP: ? |
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Sp.Gr: 1.34 |
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Fl.P: 261°F |
UEL: ? |
LEL: 1.4% |
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| Combustible Solid | |||
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Incompatibilities & Reactivities Strong oxidizers, nitric acid |
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Measurement Methods OSHA PV2014 See: NMAM or OSHA Methods |
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Personal Protection & Sanitation (See protection) Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: Daily Provide: Eyewash |
First Aid (See procedures) Eye: Irrigate immediately Skin: Water wash immediately Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection Respirator Recommendations Not available. |
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| Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, respiratory system; skin sensitization, dermatitis; lacrimation (discharge of tears), burns eyes; convulsions, increased blood pressure, kidney injury | |
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Target Organs
Eyes, skin, respiratory system, central nervous system, kidneys |
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| See also: INTRODUCTION See ICSC CARD: 0411 |