2,2-Dimethylbutane
- 2,2-DIMETHYLBUTANE
- Neohexane
- 75-83-2
- Butane, 2,2-dimethyl-
- HSDB 75
- Create:2005-03-26
- Modify:2025-01-18
- 2,2-DIMETHYLBUTANE
- Neohexane
- 75-83-2
- Butane, 2,2-dimethyl-
- HSDB 75
- CCRIS 6019
- EINECS 200-906-8
- NSC 74126
- UNII-07L56L3MP2
- DTXSID4025111
- 2,2-Dimethyl-butane
- AI3-16043
- 07L56L3MP2
- NSC-74126
- (CH3)3CCH2CH3
- DIMETHYLBUTANE, 2,2-
- DTXCID405111
- 2,2-DIMETHYLBUTANE [HSDB]
- 2-dimethylbutane
- 2,2dimethylbutane
- 2-dimethyl-butane
- 3,3-dimethylbutane
- Butane,2-dimethyl-
- MFCD00009321
- 2, 2-Dimethylbutane
- Butane, 2,2dimethyl
- 2,2-Dimethylbutane, 99%
- CHEMBL142735
- NSC74126
- Tox21_200358
- WLN: 2X1&1&1
- AKOS024438081
- 2,2-Dimethylbutane, analytical standard
- CAS-75-83-2
- NCGC00091659-01
- NCGC00091659-02
- NCGC00257912-01
- 2,2-Dimethylbutane, >=99.0% (GC)
- DB-055991
- D0689
- NS00001089
- D-3215
- D89700
- Q209136
- 3,3-Dimethylbutane; NSC 74126; Neohexane; tert-Butylethane
- Activation energy
- Boiling point
- Chemical diffusion
- Composition
- Compressibility
- Creep
- Crystal structure
- Density
- Diamagnetic susceptibility
- Dielectric constant
- Diffusion
- Diffusion of impurities
- Diffusive flux
- Excess enthalpy
- Formula unit
- Fusion entropy
- Fusion temperature
- Grain size
- Heat of solution
- Heat of sublimation
- Impurity concentration
- Isotope mass-effect
- Magnetic susceptibility
- Melting curve
- Melting temperature
- Migration energy
- Mixing enthalpy
- Nuclear magnetic resonance
- Optical coefficient
- Partial pressure
- Phase diagram
- Phase equilibrium
- Phase transition
- Phonon wavenumber
- Preexponential factor
- Refractive index
- Self-diffusion
- Sound absorption
- Sound propagation
- Sound velocity
- Space group
- Spin-lattice relaxation
- Surface tension
- Thermal expansion coefficient
- Tracer diffusion
- Transition enthalpy
- Tricritical point
- Unit cell
- Unit cell parameter
- Vapor pressure
- Vapor-liquid equilibrium
- Virial coefficient
- Viscosity
43 99.99
57 98.50
71 82.50
41 65
29 41
57 99.99
71 86
43 80.20
56 33
41 28.20
57 999
43 939
71 810
41 479
56 349
Information on 15 consumer products that contain 2,2-Dimethylbutane in the following categories is provided:
• Auto Products
• Commercial / Institutional
• Hobby/Craft
• Home Maintenance
• Home Office
• Inside the Home
H225 (99.8%): Highly Flammable liquid and vapor [Danger Flammable liquids]
H304 (99.8%): May be fatal if swallowed and enters airways [Danger Aspiration hazard]
H315 (99.8%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (21.6%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
H336 (99.1%): May cause drowsiness or dizziness [Warning Specific target organ toxicity, single exposure; Narcotic effects]
H411 (99.8%): Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P271, P273, P280, P301+P316, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P331, P332+P317, P337+P317, P362+P364, P370+P378, P391, P403+P233, P403+P235, P405, and P501
(The corresponding statement to each P-code can be found at the GHS Classification page.)
Aggregated GHS information provided per 449 reports by companies from 19 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Reported as not meeting GHS hazard criteria per 1 of 449 reports by companies. For more detailed information, please visit ECHA C&L website.
There are 18 notifications provided by 448 of 449 reports by companies with hazard statement code(s).
Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown.
Flam. Liq. 2 (99.8%)
Asp. Tox. 1 (99.8%)
Skin Irrit. 2 (99.8%)
Eye Irrit. 2 (21.6%)
STOT SE 3 (99.1%)
Aquatic Chronic 2 (99.8%)
Flammable liquid - category 2
Aspiration hazard - category 1
Skin irritation - category 2
Specific target organ toxicity (single exposure) - category 3
Hazardous to the aquatic environment (chronic) - category 2
CAUTION: Petroleum crude oil (UN1267) may contain TOXIC hydrogen sulphide gas.
· Inhalation or contact with material may irritate or burn skin and eyes.
· Fire may produce irritating, corrosive and/or toxic gases.
· Vapors may cause dizziness or asphyxiation, especially when in closed or confined areas.
· Runoff from fire control or dilution water may cause environmental contamination.
Excerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]:
HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. 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 the ground and collect in low or confined areas (sewers, basements, tanks, etc.). Vapor explosion hazard indoors, outdoors or in sewers. Those substances designated with a (P) may polymerize explosively when heated or involved in a fire. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids will float on water. Substance may be transported hot. For hybrid vehicles, ERG Guide 147 (lithium ion or sodium ion batteries) or ERG Guide 138 (sodium batteries) should also be consulted. If molten aluminum is involved, refer to ERG Guide 169. (ERG, 2024)
· HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.
· 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 the ground and collect in low or confined areas (sewers, basements, tanks, etc.).
· Vapor explosion hazard indoors, outdoors or in sewers.
· Those substances designated with a (P) may polymerize explosively when heated or involved in a fire.
· Runoff to sewer may create fire or explosion hazard.
· Containers may explode when heated.
· Many liquids will float on water.
· Substance may be transported hot.
· For hybrid vehicles, GUIDE 147 (lithium ion or sodium ion batteries) or GUIDE 138 (sodium batteries) should also be consulted.
· If molten aluminum is involved, refer to GUIDE 169.
EYES: First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.
SKIN: IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water. If symptoms such as redness or irritation develop, IMMEDIATELY call a physician and be prepared to transport the victim to a hospital for treatment.
INHALATION: IMMEDIATELY leave the contaminated area; take deep breaths of fresh air. If symptoms (such as wheezing, coughing, shortness of breath, or burning in the mouth, throat, or chest) develop, call a physician and be prepared to transport the victim to a hospital. Provide proper respiratory protection to rescuers entering an unknown atmosphere. Whenever possible, Self-Contained Breathing Apparatus (SCBA) should be used; if not available, use a level of protection greater than or equal to that advised under Protective Clothing.
INGESTION: DO NOT INDUCE VOMITING. Volatile chemicals have a high risk of being aspirated into the victim's lungs during vomiting which increases the medical problems. If the victim is conscious and not convulsing, give 1 or 2 glasses of water to dilute the chemical and IMMEDIATELY call a hospital or poison control center. IMMEDIATELY transport the victim to a hospital. If the victim is convulsing or unconscious, do not give anything by mouth, ensure that the victim's airway is open and lay the victim on his/her side with the head lower than the body. DO NOT INDUCE VOMITING. IMMEDIATELY transport the victim to a hospital. (NTP, 1992)
General First Aid:
· Call 911 or emergency medical service.
· Ensure that medical personnel are aware of the material(s) involved, take precautions to protect themselves and avoid contamination.
· Move victim to fresh air if it can be done safely.
· Administer oxygen if breathing is difficult.
· If victim is not breathing:
-- DO NOT perform mouth-to-mouth resuscitation; the victim may have ingestedor inhaled the substance.
-- If equipped and pulse detected, wash face and mouth, then give artificial respiration using a proper respiratory medical device (bag-valve mask, pocket mask equipped with a one-way valve or other device).
-- If no pulse detected or no respiratory medical device available, provide continuouscompressions. Conduct a pulse check every two minutes or monitor for any signs of spontaneous respirations.
· Remove and isolate contaminated clothing and shoes.
· For minor skin contact, avoid spreading material on unaffected skin.
· In case of contact with substance, remove immediately by flushing skin or eyes with running water for at least 20 minutes.
· For severe burns, immediate medical attention is required.
· Effects of exposure (inhalation, ingestion, or skin contact) to substance may be delayed.
· Keep victim calm and warm.
· Keep victim under observation.
· For further assistance, contact your local Poison Control Center.
· Note: Basic Life Support (BLS) and Advanced Life Support (ALS) should be done by trained professionals.
Specific First Aid:
· Wash skin with soap and water.
· In case of burns, immediately cool affected skin for as long as possible with cold water. Do not remove clothing if adhering to skin.
In Canada, an Emergency Response Assistance Plan (ERAP) may be required for this product. Please consult the shipping paper and/or the "ERAP" section.
Fire Extinguishing Agents Not to Be Used: Water may be ineffective.
Fire Extinguishing Agents: Dry chemical, foam, carbon dioxide (USCG, 1999)
· CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper not available or no answer, refer to appropriate telephone number listed on the inside back cover.
· Keep unauthorized personnel away.
· Stay upwind, uphill and/or upstream.
· Ventilate closed spaces before entering, but only if properly trained and equipped.
· ELIMINATE all ignition sources (no smoking, flares, sparks or flames) from 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.
Excerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]:
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 tank car or highway tank 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, 2024)
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 tank car or highway tank 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.
Excerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]:
ELIMINATE all ignition sources (no smoking, flares, sparks or flames) from 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, 2024)
· Wear positive pressure self-contained breathing apparatus (SCBA).
· Structural firefighters' protective clothing provides thermal protection but only limited chemical protection.
CAUTION: The majority of 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. If regular foam is ineffective or unavailable, use alcohol-resistant foam.
Large Fire
· Water spray, fog or regular foam. If regular foam is ineffective or unavailable, use alcohol-resistant foam.
· Avoid aiming straight or solid streams directly onto the product.
· If it can be done safely, move undamaged containers away from the area around the fire.
Fire Involving Tanks, Rail Tank Cars or Highway Tanks
· Fight fire from maximum distance or use unmanned master stream devices or monitor nozzles.
· Cool containers with flooding quantities of water until well after fire is out.
· For petroleum crude oil, do not spray water directly into a breached tank car. This can lead to a dangerous boil over.
· Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank.
· ALWAYS stay away from tanks in direct contact with flames.
· For massive fire, use unmanned master stream devices or monitor nozzles; if this is impossible, withdraw from area and let fire burn.
Neurotoxin - Acute solvent syndrome
ACGIH Carcinogen - Confirmed Animal.
Patents are available for this chemical structure:
https://patentscope.wipo.int/search/en/result.jsf?inchikey=HNRMPXKDFBEGFZ-UHFFFAOYSA-N
Patents are available for this chemical structure:
https://patentscope.wipo.int/search/en/result.jsf?inchikey=NCLXZNWTBOPAEU-UHFFFAOYSA-N
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- SpectraBase2,2-Dimethylbutanehttps://spectrabase.com/spectrum/C5751wNM82n2,2-DIMETHYLBUTANEhttps://spectrabase.com/spectrum/97Ch6umKBWCBUTANE, 2,2-DIMETHYL-https://spectrabase.com/spectrum/CQmllZ6feG92,2-DIMETHYLBUTANEhttps://spectrabase.com/spectrum/8ES0717QtES2,2-dimethylbutanehttps://spectrabase.com/spectrum/EwJBsq6PKSJBUTANE, 2,2-DIMETHYL-https://spectrabase.com/spectrum/HdnH3ioRqb22,2-Dimethylbutanehttps://spectrabase.com/spectrum/BWHEAmfFd2z2,2-DIMETHYLBUTANEhttps://spectrabase.com/spectrum/4V9vvSDcXgY2,2-DIMETHYLBUTANEhttps://spectrabase.com/spectrum/I8ZSI8Rm8Mi2,2-Dimethylbutanehttps://spectrabase.com/spectrum/4TCrnwxUMEDPolymer mixture of poly(i-butylene) and an ester-type compoundhttps://spectrabase.com/spectrum/IAfBjWwP4VXColl-tex novahttps://spectrabase.com/spectrum/GTkIsvezS4R
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