M.S.D.S. 0420
Material Safety Data Sheet
City University of Hong Kong
MSDS 2-CHLORO-2-METHYLPROPANE 0420
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PRODUCT INFORMATION
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Chemical name(s) : 2-CHLORO-2-METHYLPROPANE
Chinese Name: 2-麓芒-2-楼脪掳貌陇镁脰J隆A2-楼脪掳貌-2-麓芒陇镁脰J
Synonyms: tert-Butyl chloride; 2-chloroisobutane; Trimethylchloromethane
CAS No: 507-20-0
Molecular Weight: 92.57
Chemical Formula: (CH3)3CCl
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RISK SYMBOL
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PHYSICAL DATA
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Appearance: Clear, colorless liquid.
Boiling Point: 51 - 52掳C (124 - 126掳F)
Odor: No information found.
Melting Point: -25掳C (-13掳F)
City University of Hong Kong 1
The above information is believed to be accurate to the best of our knowledge.
No responsibilities or liabilities are assumed or implied by CITY U for their inaccuracies.
Solubility: Sparingly soluble in water.
Vapor Density (Air=1): 3.2
Specific Gravity: 0.87
Vapor Pressure (mm Hg): No information found.
pH: No information found.
Evaporation Rate (BuAc=1): No information found.
% Volatiles by volume @ 21掳C (70掳F): 100
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FIRE AND EXPLOSION DATA
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Fire:
Flash point: < 0掳C (< 32掳F)
Flammable liquid.
Dangerous fire hazard when exposed to heat, flame, sparks, or oxidizers.
Explosion:
Above the flash point, explosive vapor-air mixtures may be formed. Vapors can flow along surfaces to distant
ignition source and flash back. Sealed containers may rupture when heated. Contact with strong oxidizers may cause
fire. Sensitive to static discharge.
Fire Extinguishing Media:
Dry chemical, alcohol foam or carbon dioxide. Water may be ineffective. Water spray may be used to keep fire
exposed containers cool, dilute spills to nonflammable mixtures, protect personnel attempting to stop leak and
disperse vapors.
Special Information:
In the event of a fire, wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full
facepiece operated in the pressure demand or other positive pressure mode.
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REACTIVITY DATA
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Stability: Stable under ordinary conditions of use and storage.
Hazardous Decomposition Products:
May emit oxides of carbon and hydrogen chloride gas when heated to decomposition.
Hazardous Polymerization: Will not occur.
Incompatibilities: Strong oxidizers and strong bases.
Conditions to Avoid: Heat, flames, ignition sources and incompatibles.
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HEALTH HAZARD DATA
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Emergency Overview
Warning! Flammable liquid and vapor. May be harmful if swallowed, inhaled or absorbed through skin. May affect
central nervous system. May cause irritation to skin, eyes, and respiratory tract.
The above information is believed to be accurate to the best of our knowledge.
No responsibilities or liabilities are assumed or implied by CITY U for their inaccuracies.
M.S.D.S. 0420
Potential Health Effects
There is limited information available on the hazards of this chemical. It is assumed that it will behave similarly to
other chlorinated hydrocarbons.
Inhalation:
No information found, but compound should be handled as a potential health hazard. May cause irritation to the
respiratory tract; symptoms may include coughing, shortness of breath, headache, and dullness. High concentrations
have a narcotic effect.
Ingestion: May cause abdominal pain, vomiting. Other symptoms parallel inhalation.
Skin Contact:
May cause irritation with redness and pain. May be absorbed through the skin with possible systemic effects.
Eye Contact: May cause irritation, redness and pain.
Chronic Exposure:
Similar compounds demonstrate toxic effects after repeated exposures too low to result in acute effects.
Aggravation of Pre-existing Conditions: No information found.
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FIRST AID MEASURES
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Inhalation:
Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Call a
physician.
Ingestion:
Give large amounts of water to drink. Never give anything by mouth to an unconscious person. Get medical
attention.
Skin Contact:
In case of contact, immediately flush skin with plenty of soap and water for at least 15 minutes while removing
contaminated clothing and shoes. Wash clothing before reuse. Call a physician.
Eye Contact:
In case of contact, immediately flush eyes with plenty of water for at least 15 minutes, lifting upper and lower
eyelids occasionally. Call a physician if irritation persists.
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PREVENTATIVE MEASURES
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Airborne Exposure Limits: None established.
Ventilation System:
A system of local and/or general exhaust is recommended to keep employee exposures as low as possible. Local
exhaust ventilation is generally preferred because it can control the emissions of the contaminant at its source,
City University of Hong Kong 3
The above information is believed to be accurate to the best of our knowledge.
No responsibilities or liabilities are assumed or implied by CITY U for their inaccuracies.
preventing dispersion of it into the general work area. Please refer to the ACGIH document, "Industrial Ventilation,
A Manual of Recommended Practices", most recent edition, for details.
Personal Respirators (NIOSH Approved):
For conditions of use where exposure to the substance is apparent, consult an industrial hygienist. For emergencies,
or instances where the exposure levels are not known, use a full-facepiece positive-pressure, air-supplied respirator.
WARNING: Air purifying respirators do not protect workers in oxygen-deficient atmospheres.
Skin Protection:
Wear impervious protective clothing, including boots, gloves, lab coat, apron or coveralls, as appropriate, to prevent
skin contact.
Eye Protection:
Use chemical safety goggles and/or a full face shield where splashing is possible. Maintain eye wash fountain and
quick-drench facilities in work area.
Handling and Storage:
Protect against physical damage. Store in a cool, dry well-ventilated location, away from any area where the fire
hazard may be acute. Outside or detached storage is preferred. Separate from incompatibles. Containers should be
bonded and grounded for transfers to avoid static sparks. Storage and use areas should be No Smoking areas. Use
non-sparking type tools and equipment, including explosion proof ventilation. Containers of this material may be
hazardous when empty since they retain product residues (vapors, liquid); observe all warnings and precautions listed
for the product.
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ENVIRONMENTAL PROTECTION DATA
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Ventilate area of leak or spill. Remove all sources of ignition. Wear appropriate personal protective equipment as
specified in Section 8. Isolate hazard area. Keep unnecessary and unprotected personnel from entering. Contain and
recover liquid when possible. Use non-sparking tools and equipment. Collect liquid in an appropriate container or
absorb with an inert material (e. G., Vermiculite, dry sand, earth), and place in a chemical waste container. Do not
use combustible materials, such as saw dust. Do not flush to sewer! If a leak or spill has not ignited, use water spray
to disperse the vapors, to protect personnel attempting to stop leak, and to flush spills away from exposures. J. T.
Baker SOLUSORB(R) solvent adsorbent is recommended for spills of this product.
The above information is believed to be accurate to the best of our knowledge.
No responsibilities or liabilities are assumed or implied by CITY U for their inaccuracies.
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