Product Identification

Product Name

2-Hydroxybenzaldehyde oxime

Synonyms

(2-Hydroxyphenylmethylene)azanol
2-Hydroxybenzaldehyde oxime
2-Hydroxybenzaldoxime
Saldox
Salicylaldehydoxime

CAS

94-67-7

Formula

C7H7NO2

Molecular Weight

137.13

EINECS

202-353-8

RTECS

VN5775000

RTECS Class

Agricultural Chemical and Pesticide

Merck

12,8479

Beilstein/Gmelin

1859881

Beilstein Reference

1-08-00-00520

Physical and Chemical Properties

Appearance

Very slightly beige solid.

Solubility in water

Slightly soluble

Melting Point

62 - 63

Boiling Point

257

Vapor Pressure

0.008 (25 C)

pKa/pKb

9.08 (pKa)

Partition Coefficient

1.88

Heat Of Vaporization

52.2 kJ/mol

Usage

Used as a a reagent for copper and nickel.

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 immediately.

Inhalation

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.

Skin

Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists. Wash clothing before reuse.

Eyes

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 cool, dry place. Store in a tightly closed container.

Handling

Use with adequate ventilation. Avoid contact with skin and eyes. Keep container tightly closed. Avoid ingestion and inhalation. Wash clothing before reuse.

Hazards Identification

Ingestion

Causes gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated.

Inhalation

May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.

Skin

May cause skin irritation. The toxicological properties of this material have not been fully investigated.

Eyes

May cause eye irritation. The toxicological properties of this material have not been fully investigated.

EC Risk Phrase

R 22

EC Safety Phrase

S 22 36/37

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 clothing to prevent skin exposure.

Respirators

A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.

Poison Class

3

Fire Fighting Measures

Flash Point

147

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.

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

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, nitrogen.