Resorcinol

Synonyms & Trade Names
1,3-Benzenediol, m-Benzenediol, 1,3-Dihydroxybenzene, m-Dihydroxybenzene, 3-Hydroxyphenol, m-Hydroxyphenol
CAS No.
108-46-3
RTECS No.
DOT ID & Guide
2876 153
Formula
C₆H₄(OH)₂
Conversion
1 ppm = 4.50 mg/m3
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
TWA 10 ppm (45 mg/m3) ST 20 ppm (90 mg/m3)
OSHA PEL
none See Appendix G
Measurement Methods
NIOSH 5701;
OSHA PV2053
See: NMAM or OSHA Methods
Physical Description
White needles, plates, crystals, flakes, or powder with a faint odor. [Note: Turns pink on exposure to air or light, or contact with iron.]
Molecular Weight
110.1
Boiling Point
531°F
Melting Point
228°F
Solubility
110%
Vapor Pressure
(77°F): 0.0002 mmHg
Ionization Potential
8.63 eV
Specific Gravity
1.27
Flash Point
261°F
Upper Explosive Limit
?
Lower Explosive Limit
(392°F): 1.4%
Class IIIB Combustible Liquid: Fl.P. at or above 200°F., but may be difficult to ignite.
Incompatibilities & Reactivities
Acetanilide, albumin, alkalis, antipyrine, camphor, ferric salts, menthol, spirit nitrous ether, strong oxidizers & bases [Note: Hygroscopic (i.e., absorbs moisture from the air).]
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
irritation eyes, skin, nose, throat, upper respiratory system; methemoglobinemia; cyanosis, convulsions; restlessness, bluish skin, increased heart rate, dyspnea (breathing difficulty); dizziness, drowsiness, hypothermia, hematuria (blood in the urine); spleen, kidney, liver changes; dermatitis
Target Organs
Eyes, skin, respiratory system, cardiovascular system, central nervous system, blood, spleen, liver, kidneys
Personal Protection/Sanitation
(See protection codes)
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
See also
INTRODUCTION   ICSC CARD: 1033
Page last reviewed: October 30, 2019