Product Identification

Product Name

Oxidation base 33

Synonyms

1-Hydroxynaphthalene

CAS

90-15-3

Formula

C10H8O

Molecular Weight

144.16999999999999

EINECS

201-969-4

RTECS

QL2800000

RTECS Class

Mutagen; Reproductive Effector; Primary Irritant

Merck

12,6470

Beilstein/Gmelin

1817321

Beilstein Reference

4-06-00-04208

EC Index Number

604-029-00-5

EC Class

Harmful; Irritant

Physical and Chemical Properties

Appearance

Colorless or yellow crystals or powder, phenolic odor.

Solubility in water

Insoluble

Melting Point

94

Boiling Point

282

Vapor Pressure

0.0014 (25 C)

Density

1.224 g/cm3

pKa/pKb

9.40 (pKa)

Partition Coefficient

2.85

Heat Of Vaporization

54.8 kJ/mol

Heat Of Combustion

-4956 kJ/mol

Usage

For the dyes mordant black 11, acid brown 6, chemical intermediate for dye coupling agents for azo dyes, plant growth regulator.

Vapor Density

4.5

Saturation Concentration

0.1% at 94 C (calculated)

Refractive Index

1.6224 (99 C)

First Aid Measures

Ingestion

Do NOT induce vomiting. 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

Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.

Skin

Get medical aid immediately. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Discard contaminated clothing in a manner which limits further exposure. SPEEDY ACTION IS CRITICAL!

Eyes

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. Do NOT allow victim to rub or keep eyes closed.

Handling and Storage

Storage

Keep container closed when not in use. 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 with adequate ventilation. Minimize dust generation and accumulation. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Do not ingest or inhale.

Hazards Identification

Inhalation

May cause severe irritation of the upper respiratory tract with pain, burns, and inflammation. May cause effects similar to those described for ingestion.

Skin

Harmful if absorbed through the skin. Causes skin burns.

Eyes

Causes eye burns. May cause eye injury.

Ingestion

May be harmful if swallowed. Overexposure may result in hemolytic anemia, leading to kidney failure. Symptoms include diarrhea, headache, perspiration, listlessness and

Hazards

Contact with metals may evolve flammable hydrogen gas.

EC Risk Phrase

R 21/22 37/38 41

EC Safety Phrase

S 22 26 37/39

UN (DOT)

2811

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

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.

Exposure Effects

May cause liver and kidney damage. May cause anemia and other blood cell abnormalities.

Poison Class

2

Fire Fighting Measures

Flash Point

125

Autoignition

510

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. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Upper exp. limit

5

Lower exp. limit

.8

Fire Potential

Combustible.

Accidental Release Measures

Small spills/leaks

Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity

Disposal Code

3

Stability

Stable under normal temperatures and pressures. Substance undergoes color change upon exposure to light and air.

Incompatibilities

Strong oxidizing agents, strong bases, acid chlorides, acid anhydrides, halogens.

Decomposition

Carbon monoxide, carbon dioxide, acrid smoke and fumes.

Combustion Products

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

Transport Information

UN Number

2811

Hazard Class

6.1

Packing Group

I; II; III

HS Code

2907 15 10