Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity
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2-Methylsuccinic acid(498-21-5)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity

Product Identification

Product Name
2-Methylsuccinic acid
Synonyms
,2-Propanedicarboxylic acid
2-Methylbutane-1,4-dioic acid
Methylbutanedioic acid
Methylsuccinic acid
CAS
498-21-5
Formula
C5H8O4
Molecular Weight
132.11000000000001
EINECS
207-857-1
Beilstein/Gmelin
1722946
Beilstein Reference
4-02-00-01948

Physical and Chemical Properties

Appearance
White or yellowish crystals or beige powder.
Solubility in water
Very soluble
Melting Point
115 - 116
Boiling Point
237
Vapor Pressure
0.016 (25 C)
Density
1.4105 g/cm3
pKa/pKb
4.27 (pKa)
Partition Coefficient
-.24
Heat Of Vaporization
52.1 kJ/mol
Heat Of Combustion
-2175 kJ/mol

First Aid Measures

Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid.
Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Skin
Get medical aid if irritation develops or persists. Flush skin with plenty of soap and water.
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
Wash thoroughly after handling. Use with adequate ventilation. Avoid contact with skin and eyes. Avoid ingestion and inhalation.

Hazards Identification

Ingestion
May cause irritation of the digestive tract. Low hazard for usual industrial handling.
Inhalation
Causes respiratory tract irritation.
Skin
Causes skin irritation.
Eyes
Causes eye irritation.

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.

Fire Fighting Measures

Flash Point
111
Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. 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.

Stability and Reactivity

Incompatibilities
Oxidizing agents, reducing agents, bases.
Stability
Stable under normal temperatures and pressures.
Decomposition
Carbon monoxide, carbon dioxide.
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