Product Identification

Product Name

1,4-Benzenedicarboxylic acid monomethyl ester

Synonyms

1,4-Benzenedicarboxylic acid, monomethyl ester
4-(Carbomethoxy)benzoic acid
4-(Methoxycarbonyl)benzoic acid
Methyl 4-carboxybenzoate
Methyl hydrogen terephthalate
Monomethyl terephthalate

CAS

1679-64-7

Formula

C9H8O4

Molecular Weight

180.16

EINECS

216-849-7

Beilstein/Gmelin

1911082

Beilstein Reference

4-09-00-03303230

Physical and Chemical Properties

Solubility in water

0.132 g/L (20 C)

Boiling Point

332

Vapor Pressure

6E-5 (25 C)

pKa/pKb

3.77 (pKa)

Heat Of Vaporization

60.6 kJ/mol

Heat Of Combustion

-7037 kJ/mol

First Aid Measures

Ingestion

If swallowed, wash out mouth with water provided person is conscious. Call a physician.

Inhalation

If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.

Skin

In case of contact, immediately wash skin with soap and copious amounts of water.

Eyes

In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes.

Handling and Storage

Storage

Keep tightly closed. Store in a cool dry place.

Hazards Identification

Inhalation

Material is irritating to mucous membranes and upper respiratory tract.

Hazards

Emits toxic fumes under fire conditions.

Exposure Controls/Personal Protection

Personal Protection

Compatible chemical-resistant gloves. Chemical safety goggles.

Respirators

Government approved respirator.

Exposure Effects

Properties of this material have not yet been prepared. Any recommendations are of a general nature. Many chemicals cause irritation of the eyes, skin, and respiratory tract. In severe cases respiratory tract irritation can progress to ARDS/acute lung injury which may be delayed in onset for up to 24 to 72 hours in some cases Irritation or burns of the esophagus or gastrointestinal tract are also possible if caustic or irritant chemicals are ingested. ALWAYS contact your local poision control authority or medical professional for assistance.

Fire Fighting Measures

Flash Point

139

Fire Fighting

Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.

Accidental Release Measures

Small spills/leaks

Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.

Stability and Reactivity

Disposal Code

4

Incompatibilities

Strong oxidizing agents.

Decomposition

Carbon monoxide, Carbon dioxide.

Transport Information

HS Code

2917 39 80