Product Identification

Product Name

Methyl 5-chlorosalicylate

Synonyms

2-Hydroxy-5-chlorobenzoic acid methyl ester
5-Chloro-2-hydroxybenzoic acid methyl ester
5-Chlorosalicylic acid methyl ester
Benzoic acid, 5-chloro-2-hydroxy-, methyl ester
Methyl 2-hydroxy-5-chlorobenzoate

CAS

4068-78-4

Formula

C8H7ClO3

Molecular Weight

186.59

EINECS

223-778-5

Physical and Chemical Properties

Appearance

Solid.

Solubility in water

Insoluble

Melting Point

42 - 43

Boiling Point

261

Vapor Pressure

0.0075 (25 C)

Density

1.354 g/cm3 (20 C)

pKa/pKb

9.31 (pKa)

Partition Coefficient

3.24

Heat Of Vaporization

51.8 kJ/mol

First Aid Measures

Ingestion

Seek medical treatment.

Inhalation

Supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice.

Skin

Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.

Eyes

Rinse opened eye for several minutes under running water. Then consult a doctor.

Handling and Storage

Storage

Keep container tightly sealed. Store in cool, dry conditions in well sealed containers.

Exposure Controls/Personal Protection

Personal Protection

Protective work clothing. Chemical protective gloves. Safety glasses or goggles.

Exposure Effects

Causes irritation of the eyes, skin and mucous membranes.

Fire Fighting Measures

Flash Point

111

Fire Fighting

Extinguish with carbon dioxide, extinguishing powder or water spray. Fight larger fires with water spray or alcohol resistant foam. Wear self-contained respirator. Wear fully protective impervious suit.

Stability and Reactivity

Stability

Decomposition will not occur if used and stored according to specifications.

Incompatibilities

Oxidizing agents.

Combustion Products

Carbon monoxide and carbon dioxide. Hydrogen chloride (HCl).

Hazards Identification

EC Risk Phrase

R: 36/37/38

EC Safety Phrase

S: 26 37