Product Identification

Product Name

1,3-Propanedioic acid

Synonyms

Carboxyacetic acid
Dicarboxymethane
Methanedicarboxylic acid
Propanedioic acid

CAS

141-82-2

Formula

C3H4O4

Molecular Weight

104.06

EINECS

205-503-0

RTECS

OO0175000

RTECS Class

Mutagen; Primary Irritant

Merck

13,5732

Beilstein/Gmelin

1751370

Beilstein Reference

4-02-00-01874

EC Class

harmful, irritant

Physical and Chemical Properties

Appearance

White crystals or crystalline powder. Sublimes in vacuum.

Solubility in water

Very soluble

Melting Point

136

Boiling Point

387

Vapor Pressure

5E-7 (25 C)

Density

1.669 g/cm3

pKa/pKb

2.92 (pKa)

Partition Coefficient

-.56

Heat Of Vaporization

69.8 kJ/mol

Usage

Substance is used in production of barbiturates.

Vapor Density

3.6

First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. 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. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.

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 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. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Do not ingest or inhale.

Hazards Identification

Ingestion

May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May be harmful if swallowed.

Inhalation

May cause severe irritation of the upper respiratory tract with pain, burns, and inflammation.

Skin

May cause severe irritation and possible burns.

Eyes

May cause severe eye irritation. May cause eye burns.

EC Risk Phrase

R 22 36/37

EC Safety Phrase

S 26 36/37/39

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 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.

Poison Class

4

Fire Fighting Measures

Flash Point

157

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Dusts at sufficient concentrations can form explosive mixtures with air. Extinguishing media: For small fires, use water spray, dry chemical, carbon dioxide or chemical foam.

Fire Potential

This material is probably combustible.

Accidental Release Measures

Small spills/leaks

Wear a self contained breathing apparatus and appropriate Personal protection. (See Exposure Controls, Personal Protection section). Sweep up, then place into a suitable container for disposal.

Stability and Reactivity

Disposal Code

4

Incompatibilities

Bases, oxidizing agents.

Stability

Stable under normal temperatures and pressures.

Decomposition

Carbon monoxide, carbon dioxide.

Transport Information

HS Code

2917 19 10