Product Identification

Product Name

1,1'-Biphenyl-2-ol

Synonyms

2-Biphenylol
2-Hydroxybiphenyl
2-Phenylphenol
Biphenyl-2-ol
o-Phenylphenol

CAS

90-43-7

Formula

C12H10O

Molecular Weight

170.21

EINECS

201-993-5

RTECS

DV5775000

RTECS Class

Agricultural Chemical and Pesticide; Tumorigen; Mutagen; Reproductive Effector; Primary Irritant

Merck

12,7458

Beilstein/Gmelin

606907

Beilstein Reference

4-06-00-04579

EC Index Number

604-020-00-6

EC Class

Irritant; Dangerous for the Environment

Physical and Chemical Properties

Appearance

White to pinkish crystals or powder, mild phenolic odor.

Solubility in water

Insoluble

Melting Point

56 - 58

Boiling Point

275

Vapor Pressure

0.002 (25 C)

Density

1.213 g/cm3 (20 C)

pKa/pKb

9.99 (pKa)

Partition Coefficient

3.09

Heat Of Vaporization

54.2 kJ/mol

Usage

Fungicide, germicide, household disinfectant, preservative in water-oil emulsions.

Saturation Concentration

132 ppm (0.013%) at 100 C (calculated)

Refractive Index

1.6033 (60 C)

First Aid Measures

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.

Handling and Storage

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.

Hazards Identification

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.

Ingestion

May cause gastrointestinal irritation with nausea, vomiting and diarrhea.

Hazards

When heated, vapors may form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards.

EC Risk Phrase

R 36/37/38 50

EC Safety Phrase

S 22 61

UN (DOT)

2430

Exposure Controls/Personal Protection

Personal 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.

Exposure Effects

May cause reproductive and fetal effects. Laboratory experiments have resulted in mutagenic effects.

Poison Class

4

Fire Fighting Measures

Flash Point

124

Autoignition

> 520

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.

Upper exp. limit

9.5

Lower exp. limit

1.4

Fire Potential

This chemical is combustible.

Accidental Release Measures

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.

Stability and Reactivity

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.

Combustion Products

Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number

2430

Hazard Class

8

Packing Group

I; II; III

HS Code

2907 19 00