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Home > Encyclopedia > 1-Propene, 2-methyl-, trimer

1-Propene, 2-methyl-, trimer

1-Propene, 2-methyl-, trimer structure

1-Propene, 2-methyl-, trimer 

structure
  • CAS No:

    7756-94-7

  • Formula:

    (C4H8)3

  • Chemical Name:

    1-Propene, 2-methyl-, trimer

  • Synonyms:

    1-Propene,2-methyl-,trimer;Propene,2-methyl-,trimer;Triisobutylene;Isobutene trimer;Isobutylene trimer;IP 1620R;NAS 3

Description

Triisobutylene appears as a colorless liquid. Insoluble in water and less dense than water. Vapors heavier than air. Used to make rubber products, oil additives and motor fuels.


Triisobutylene appears as a colorless liquid. Insoluble in water and less dense than water. Vapors heavier than air. Used to make rubber products, oil additives and motor fuels.

1-Propene, 2-methyl-, trimer Basic Attributes

168.31900

168.18800

500-001-0|254-621-9

1BM6W5KS4L

2324

DTXSID8052514

Characteristics

0.00000

4.74720

0.7658 g/cm3 @ Temp: 20 °C

-76 °C

180 °C

50ºC

3.9 mm Hg (USCG, 1999)

Highly flammable. Insoluble in water.

Hydrocarbons, Aliphatic Unsaturated

Highly Flammable

TRIISOBUTYLENE may react vigorously with strong oxidizing agents. May react exothermically with reducing agents to release hydrogen gas. In the presence of various catalysts (such as acids) or initiators, may undergo exothermic addition polymerization reactions.

Safety Information

III

3.2

UN 2324

10

16

Special Hazards of Combustion Products: Emits toxic fumes upon decomposition. (USCG, 1999)|Flammable - 3rd degree

|Warning|H226 (95.77%): Flammable liquid and vapor [Warning Flammable liquids]|P210, P233, P240, P241, P242, P243, P273, P280, P303+P361+P353, P370+P378, P403+P235, and P501|Aggregated GHS information provided by 523 companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|H226: Flammable liquid and vapor [Warning Flammable liquids]|P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, and P501

Excerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]: CAUTION: All these products have a very low flash point: Use of water spray when fighting fire may be inefficient. CAUTION: For mixtures containing alcohol or polar solvent, alcohol-resistant foam may be more effective. SMALL FIRE: Dry chemical, CO2, water spray or regular foam. LARGE FIRE: Water spray, fog or regular foam. Do not use straight streams. Move containers from fire area if you can do it without risk. FIRE INVOLVING TANKS OR CAR/TRAILER LOADS: Fight fire from maximum distance or use unmanned hose holders or monitor nozzles. Cool containers with flooding quantities of water until well after fire is out. Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank. ALWAYS stay away from tanks engulfed in fire. For massive fire, use unmanned hose holders or monitor nozzles; if this is impossible, withdraw from area and let fire burn. (ERG, 2016)

Excerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]: As an immediate precautionary measure, isolate spill or leak area for at least 50 meters (150 feet) in all directions. LARGE SPILL: Consider initial downwind evacuation for at least 300 meters (1000 feet). FIRE: If tank, rail car or tank truck is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions. (ERG, 2016)

Excerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]: ELIMINATE all ignition sources (no smoking, flares, sparks or flames in immediate area). All equipment used when handling the product must be grounded. Do not touch or walk through spilled material. Stop leak if you can do it without risk. Prevent entry into waterways, sewers, basements or confined areas. 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. LARGE SPILL: Dike far ahead of liquid spill for later disposal. Water spray may reduce vapor, but may not prevent ignition in closed spaces. (ERG, 2016)

Wear approved respirator, chemical resistant gloves or mask, apron, safety goggles and boots. (USCG, 1999)

Drug Information

May be harmful by inhalation, ingestion or absorption. May cause eye and skin irritation. (USCG, 1999)

INHALATION: Consult a physician. Remove the victim to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. INGESTION: Induce vomiting immediately. EYES: Hold the eyelids open and flush with plenty of water for 15 minutes. SKIN: Wash with soap and water. (USCG, 1999)

1-Propene, 2-methyl-, trimer Use and Manufacturing

2-Heptene, 2,4,4,6,6-pentamethyl-: INACTIVE

Fire Hazards -> Flammable - 3rd degree

Computed Properties

Molecular Weight:168.32
XLogP3:5.3
Rotatable Bond Count:3
Exact Mass:168.187800766
Monoisotopic Mass:168.187800766
Heavy Atom Count:12
Complexity:161
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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