NITROMETHANE ch3no2

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NITROMETHANE

Tecnnical Data

WARNING:

THIS PRODUCT CONTAINS A CHEMICAL(S) KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER.

Product Identification

Synonyms: Nitrocarbol; methane, nitro-
CAS No.: 75-52-5
Molecular Weight: 61.04
Chemical Formula: CH3NO2

Physical and Chemical Properties

Appearance:
Clear oily liquid.
Odor:
Disagreeable fruity odor.
Solubility:
10% in water @ 20C (68F)
Specific Gravity:
1.14 @25C/4C
pH:

Boiling Point:
100 - 102C (212 - 216F)
Melting Point:
-29C (-20F)
Evaporation Rate (BuAc=1):
1.39

Health Rating: 2 - Moderate
Flammability Rating: 3 - Severe (Flammable)
Reactivity Rating: 4 - Extreme (Explosive)
Contact Rating: 1 - Slight

Hazards Identification

Emergency Overview
--------------------------
WARNING! FLAMMABLE LIQUID AND VAPOR. HARMFUL IF SWALLOWED, INHALED OR ABSORBED THROUGH SKIN. CAUSES IRRITATION TO SKIN, EYES AND RESPIRATORY TRACT. FORMS SHOCK-SENSITIVE MIXTURES WITH CERTAIN OTHER MATERIALS. AFFECTS CENTRAL NERVOUS SYSTEM. COMPOUNDS FORMED WITH STRONG ALKALIS ARE EXPLOSIVE WHEN DRY.

Potential Health Effects
----------------------------------

Onset of symptoms from any route of exposure may be delayed.

Inhalation:
Vapors may cause irritation to respiratory tract. A weak narcotic, higher concentrations may cause nausea, vomiting, diarrhea, and headaches.
Ingestion:
Symptoms may parallel those from inhalation.
Skin Contact:
May cause irritation, redness, and pain. May be absorbed through skin with symptoms similar to those from inhalation.
Eye Contact:
May cause irritation and corneal damage.
Chronic Exposure:
Repeated or prolonged skin exposure may cause dermatitis. Prolonged inhalation of vapors may cause liver damage.
Aggravation of Pre-existing Conditions:
Persons with pre-existing skin disorders, or impaired liver, or pulmonary function may be more susceptible to the effects of this substance.

First Aid Measures

Inhalation:
Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Call a physician.
Ingestion:
Induce vomiting immediately as directed by medical personnel. Never give anything by mouth to an unconscious person. Get medical attention immediately.
Skin 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. Thoroughly clean shoes before reuse. Get medical attention.
Eye Contact:
Immediately flush eyes with plenty of water for at least 15 minutes, lifting lower and upper eyelids occasionally. Get medical attention immediately.

Incompatibilities:
Amines, acids, bases, oxidizing materials, metal oxides, aluminum chloride plus organic matter, hexamethylbenzene, hydrocarbons, calcium hypochlorite, potassium hydroxide, sodium hydroxide, calcium hydroxide. Slowly corrodes steel and copper when wet. Nitromethane in the presence of water can react with organic bases to form salts which are explosive when dry.
Conditions to Avoid:
Heat, flames, ignition sources and incompatibles. Shock sensitive.

Fire Fighting Measures

Fire:
Flash point: 35C (95F) CC
Autoignition temperature: 418C (784F)
Flammable limits in air % by volume:
lel: 7.3
Explosion:
Above the flash point, explosive vapor-air mixtures may be formed. Flammable vapors that are heavier than air may accumulate in low areas and/or spread along ground away from handling site. Flashback along vapor trail may occur. May be detonated if confined and heated, or by shock from high explosives. Becomes more sensitive to detonation by contamination with certain chemical compounds, such as amines and acids. Fire and explosion hazard when under pressure. Sensitive to mechanical impact. Sensitive to static discharge.
Fire Extinguishing Media:
Carbon dioxide, alcohol foam, water spray. Do not use dry chemical extinguishers. Do not use dry chemical fire extinguishers containing sodium or potassium bicarbonates on nitromethane fires.
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.

Stability and Reactivity

Stability:
Shock and heat sensitive. Thermally unstable. Reacts violently with a broad range of materials. Contact with organic bases (amines), acids, and some metal oxides such as lead pigments, may markedly increase its sensitivity to detonation by shock. Heating of closed containers may cause detonation. Mixtures of nitromethane and known sensitizers are explosive and should be handled with extreme caution.
Hazardous Decomposition Products:
Burning may produce carbon monoxide, carbon dioxide, nitrogen oxides.
Hazardous Polymerization:
Will not occur.

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