4-Methylresorcinol

  • 2,4-Dihydroxytoluene
  • 4-Methyl-1,3-benzenediol
  • Cresorcinol
  • 2,4-Toluenediol
Formula
C7H8O2
Structure

Registry Numbers and Inventories.
CAS
496-73-1
EC (EINECS/ELINCS)
207-827-8
R: 36/37/38
S: 26 36
Canada DSL/NDSL
NDSL
US TSCA
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C7H8O2
Formula mass
124.14
Melting point, °C
105
Boiling point, °C
268.5
Vapor pressure, mmHg
0.006 (25 C)
Density
1.21 g/cm3 (20 C)
Solubility in water
Soluble
pKa/pKb
9.77 (pKa)
Partition coefficient, pKow
1.22
Heat of vaporization
52.2 kJ/mol

Hazards and Protection.
Storage
Keep container tightly closed.
Protection
Chemical safety goggles, rubber boots, and heavy rubber gloves.
Respirators
Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Where risk assessment shows air-purifying respirators are appropriate use a dust mask type N95 (US) or type P1 (EN 143) respirator.
Small spills/leaks
Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Oxides of carbon.

Fire.
Flash Point,°C
134
Fire fighting
Extinguish with water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Health
2
 
Flammability
0
 
 
Reactivity
0
 

Health.
Exposure effects
   Ingestion
May be harmful if swallowed.
   Inhalation
May be harmful if inhaled. Material is irritating to mucous membranes and upper respiratory tract.
   Skin
Mabe be harmful if absorbed through the skin. Causes irritation.
   Eyes
Causes irritation.

First aid
 
   Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
   Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
   Skin
In case of contact, immediately wash skin with soap and copious amounts of water.
   Eyes
In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes.

Transport.