3-(Dimethylamino)phenol

  • (3-Hydroxyphenyl)dimethylamine
  • 3-Hydroxy-N,N-dimethylaniline
  • m-(Dimethylamino)phenol
  • N,N-Dimethyl-m-aminophenol
Formula
C8H11NO
Structure
Description
Needles (from ligroin) or a dark gray solid.

Registry Numbers and Inventories.
CAS
99-07-0
EC (EINECS/ELINCS)
202-727-0
EC Class
harmful, irritant
R 20/21/22 36/37/38
S 26 36/37/39
RTECS
SL1050000
RTECS class
Mutagen
UN (DOT)
2512
Beilstein/Gmelin
774631
Beilstein Reference
4-13-00-00959
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C8H11NO
Formula mass
137.20
Melting point, °C
65 - 72
Boiling point, °C
265
Vapor pressure, mmHg
0.005 (25 C)
Solubility in water
Slightly soluble
Refractive index
1.5895 (26 C)
pKa/pKb
9.21 (pKb)
Partition coefficient, pKow
1.56
Heat of vaporization
52.5 kJ/mol

Hazards and Protection.
Storage
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Handling
Wash thoroughly after handling. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Acids, strong bases, acid chlorides, acid anhydrides.
Decomposition
Nitrogen oxides, carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
133
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
Fire potential
This material is probably combustible.
Hazards
Containers may explode when heated.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Exposure effects
Prolonged or repeated exposure may cause permanent eye damage.
   Ingestion
The toxicological properties of this substance have not been fully investigated.
   Inhalation
Causes respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
   Skin
May cause skin irritation.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
   Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Transport.
UN number
2512
Response guide
Hazard class
6.1
Packing Group
III
 
HS Code
2922 29 00