Catechol
|
CAS
120-80-9
|
C6H4(OH)2
|
RTECS
UX1050000
|
Synonyms & Trade Names
1,2-Benzenediol; o-Benzenediol; 1,2-Dihydroxybenzene; o-Dihydroxybenzene; 2-Hydroxyphenol; Pyrocatechol
|
DOT ID & Guide
|
Exposure
Limits
|
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
|
Physical Description
Colorless, crystalline solid with a faint odor. [Note: Discolors to brown in air & light.]
|
MW: 110.1
|
BP: 474°F
|
MLT: 221°F
|
Sol: 44%
|
VP(244°F): 10 mmHg
|
IP: ?
|
|
Sp.Gr: 1.34
|
Fl.P: 261°F
|
UEL: ?
|
LEL: 1.4%
|
|
|
Combustible Solid
|
Incompatibilities & Reactivities
Strong oxidizers, nitric acid
|
Measurement Methods
OSHA PV2014
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: Daily
Provide: Eyewash
|
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
|
Respirator Recommendations
Not available.
Important additional information about respirator selection
|
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
|
Target Organs
Eyes, skin, respiratory system, central nervous system, kidneys
|
|
See also: INTRODUCTION
See ICSC CARD: 0411 |
