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 Transport Information
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2,5-Pyrroledione(541-59-3)

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 Transport Information

Product Identification

Product Name
2,5-Pyrroledione
Synonyms
1H-Pyrrole-2,5-dione
3-Pyrroline-2,5-dione
Maleic imide
Pyrrole-2,5-dione
CAS
541-59-3
Formula
C4H3NO2
Molecular Weight
97.07
EINECS
208-787-4
RTECS
ON4800000
RTECS Class
Reproductive Effector
Beilstein/Gmelin
106910
Beilstein Reference
5-21-10-00003
EC Class
corrosive

Physical and Chemical Properties

Appearance
White solid.
Solubility in water
Very soluble
Melting Point
90 - 93
Boiling Point
102 - 105 (55 torr)
Density
1.2493 g/cm3 (106 C)
pKa/pKb
8.52 (pKa)
Usage
Used as flexible linking molecules to reinforce rubber.
Refractive Index
1.48775 (110.7 C)

First Aid Measures

Ingestion
Get medical aid. Wash mouth out with water.
Inhalation
Remove from exposure to fresh air immediately.
Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids.

Handling and Storage

Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with skin and eyes. Avoid ingestion and inhalation. Use only in a chemical fume hood.

Hazards Identification

Ingestion
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
Inhalation
Causes respiratory tract irritation.
Skin
Causes skin irritation. May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material.
Eyes
Causes eye irritation. Lachrymator. Lachrymator.
Hazards
Contact with metals may evolve flammable hydrogen gas.
EC Risk Phrase
R 25 34
EC Safety Phrase
S 26 28 36/37/39 45
UN (DOT)
2811

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

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.
Fire Potential
Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.

Accidental Release Measures

Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container.

Stability and Reactivity

Disposal Code
3
Stability
Has not been fully evaluated.
Incompatibilities
Strong oxidizing agents, strong acids, strong bases, strong reducing agents.
Decomposition
Nitrogen oxides, carbon monoxide, carbon dioxide.
Combustion Products
Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number
2811
Hazard Class
6.1
Packing Group
I; II; III
HS Code
2925 19 95
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