(1,1'-Biphenyl-2-ol)

  • o-Phenylphenol
  • 2-Hydroxybiphenyl
  • 2-Biphenylol
  • Biphenyl-2-ol
Formula
C12H10O
Structure
Description
White to pinkish crystals or powder, mild phenolic odor.
Uses
Fungicide, germicide, household disinfectant, preservative in water-oil emulsions.

Registry Numbers and Inventories.
CAS
90-43-7
EC (EINECS/ELINCS)
201-993-5
EC Index Number
604-020-00-6
EC Class
Irritant; Dangerous for the Environment
R 36/37/38 50
RTECS
DV5775000
RTECS class
Agricultural Chemical and Pesticide; Tumorigen; Mutagen; Reproductive Effector; Primary Irritant
UN (DOT)
2430
Merck
12,7458
Beilstein/Gmelin
606907
Beilstein Reference
4-06-00-04579
EPA OPP
64103
Swiss Giftliste 1
G-2053
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C12H10O
Formula mass
170.21
Melting point, °C
56 - 58
Boiling point, °C
275
Vapor pressure, mmHg
0.002 (25 C)
Saturation Concentration
132 ppm (0.013%) at 100 C (calculated)
Density
1.213 g/cm3 (20 C)
Solubility in water
Insoluble
Viscosity
2.4 mPas 100. C
Refractive index
1.6033 (60 C)
pKa/pKb
9.99 (pKa)
Partition coefficient, pKow
3.09
Heat of fusion
15.5 kJ/mol
Heat of vaporization
54.2 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. Remove contaminated clothing and wash before reuse. Use only in a well ventilated area. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. Do not breathe dust or fumes.
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
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Provide ventilation.
Disposal code
3
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents, strong bases.
Decomposition
Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.

Fire.
Flash Point,°C
124
Autoignition, °C
> 520
Upper exp. limit, %
9.5
Lower exp. limit, %
1.4
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Use extinguishing media most appropriate for the surrounding fire. In case of fire use water spray, dry chemical, carbon dioxide, or chemical foam.
Fire potential
This chemical is combustible.
Hazards
When heated, vapors may form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.
Health
3
 
Flammability
1
 
 
Reactivity
0
 

Health.
Carcinogin
CP65
Poison_Class
4
Exposure effects
May cause reproductive and fetal effects. Laboratory experiments have resulted in mutagenic effects.
   Ingestion
May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
   Inhalation
Inhalation of dust may cause respiratory tract irritation. Causes irritation of the mucous membrane and upper respiratory tract.
   Skin
Causes moderate skin irritation.
   Eyes
Causes severe eye irritation and possible burns.

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. Wash mouth out with water.
   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. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
   Eyes
Immediately 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
2430
Response guide
Hazard class
8
Packing Group
I; II; III
 
USCG CHRIS Code
PPN
 
HS Code
2907 19 00