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-Dimethyl-1H-pyrrole(625-84-3)

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-Dimethyl-1H-pyrrole
Synonyms
2,5-Dimethyl-1H-pyrrole
CAS
625-84-3
Formula
C6H9N
Molecular Weight
95.16
EINECS
210-913-8
RTECS
UX9465930
RTECS Class
Other
Beilstein/Gmelin
106448
Beilstein Reference
5-20-05-00064

Physical and Chemical Properties

Solubility in water
Slightly soluble
Melting Point
6.5
Boiling Point
160
Vapor Pressure
2.5 (25 C)
Density
0.961 g/ml (20 C)
Heat Of Vaporization
38.5 kJ/mol
Usage
Antioxidant.
Refractive Index
1.5257 (20 C)

First Aid Measures

Ingestion
Seek medical assistance.
Inhalation
Move victim to fresh air. Apply artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult. Remove and isolate contaminated clothing and shoes.
Skin
Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush with running water for at least 20 minutes. Wash skin with soap and water.
Eyes
In case of contact with substance, immediately flush with running water for at least 20 minutes.

Handling and Storage

Storage
Keep tightly closed. Keep away from heat and open flame. Store in a cool dry place.

Hazards Identification

Inhalation
May be fatal. May cause irritatior or burns. Vapors may cause dizziness or suffocation.
Skin
See inhalation.
Eyes
See inhalation.
Ingestion
See inhalation.
Hazards
Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion and poison hazard indoors, outdoors or in sewers.
EC Risk Phrase
10 23/24/25 36/37/38
EC Safety Phrase
16 26 36/37/39 45
UN (DOT)
1992

Exposure Controls/Personal Protection

Personal Protection
Compatible chemical-resistant gloves. Chemical safety goggles.
Respirators
Wear positive pressure self-contained breathing apparatus (SCBA).
Exposure Effects
Toxic. Toxic by inhalation, in contact with skin and if swallowed. Irritating to eyes, respiratory system and skin.

Fire Fighting Measures

Flash Point
54
Fire Fighting
Extinguish using Carbon dioxide, dry chemical powder, or appropriate foam. Water spray. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Fire Potential
HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.

Accidental Release Measures

Small spills/leaks
Make no contact with the spilled material. Fully encapsulating, vapor protective clothing should be worn for spills and leaks with no fire. ELIMINATE all ignition sources and ground all equipment. Stop leak if you can do it without risk. A vapor suppressing foam may be used to reduce vapors. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. Use clean non-sparking tools to collect absorbed material.

Stability and Reactivity

Incompatibilities
Strong oxidizing agents, Strong acids.
Decomposition
Carbon monoxide, Carbon dioxide, Nitrogen oxides.
Combustion Products
Fire will produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number
1992
Hazard Class
3
Packing Group
III
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