Gases & Chemicals Used in NNF

ACIDS

Acetic Acid:

• CH3OOH, Vinegar. Pungent odor, like vinegar.
• Hazards: Corrosive, irritant, may cause burns. Do not induce vomiting.
• Flammability: Moderate. Keep away from oxidizers, like peroxides and nitric acid.
• Classification: Organic acid. Handle like solvent.

Ammonium Hydroxide

• NH4OH, Aqua Ammonia. Odor of ammonia.
• Hazards: irritating, caustic to skin, eyes. Do not induce vomiting.
• Flammability: Low, separate from oxidizing agents.
• Classification: Base
• MSDS

Acetone:

• (CH3)2CO, Dimethyl ketone. Fragrant, mint-like odor. Highly volatile.
• Hazards: Defats skin; mild irritant; less toxic than most solvents.
• Flammability: DANGEROUS. Keep away from sparks and ignition.
• Classification: Solvent
• MSDS

Ammonium Fluoride:

• NH4F Colorless crystals, soluble in water.
• Hazards: Highly toxic, chronic exposure may result in damage to bones and teeth.
• Flammability: Non-flammable, but may release NH3 and HF at fire temperatures
• Classification: Salt

Argon

• Ar. No odor
• Hazards: Asphyxiating in concentration.
• Flammability: Non-flammable.
• Classification: Inert gas

Chlorine

• Cl2. Amber liquid or greenish-yellow gas; irritating odor.
• Hazards: Burns eyes, nose, mouth, etc., can cause nausea, choking, vomiting, pulmonary edema, pneumonia.
• Flammability: Not combustible.
• Classification: Oxidizer

Diborane

• B2H6 Colorless, sickly sweet odor.
• Hazards: Highly toxic, irritating to pulmonary, temporary damage to kidneys and liver.
• Flammability: Flammable. Use protein-base foams to extinguish fires never water.
• Classification: Gas

Dichlorosilane

• SiH2Cl2, DCS Colorless, suffocating odor.
• Hazards: Pryrophoric, highly corrosive, treat like silane.
• Flammability: Flammable, liquefied gas.
• Classification: Gas

Disilane

• Si2H6. Silicon hydride
• Hazards: Exposure difficult to determine due to spontaneous combustion.
• Flammability: Extremely flammable. Small leaks can ignite spontaneously in air.
• Classification: Gas

Helium

• He. Colorless, odorless, lighter than air.
• Hazards: May be asphyxiating in very high concentrations.
• Flammability: Non-flammable
• Classification: Gas

Hydrogen

• H2. Colorless, odorless, lighter than air.
• Hazards: Very slight asphyxiant.
• Flammability: DOT: Flammable. Highly dangerous, may explode or burn in contact with oxygen.
• Classification: Gas

Hydrogen Peroxide

• H2O2. Hydrogen peroxide, peroxide. Heavy liquid. Acrid odor.
• Hazards: Depending on its concentration, can be severely irritating and cause severe burns.
• Flammability: Non-flammable Keep away from solvents and combustible materials. Store one year only.
• Classification: Oxidizers

Nitrogen

• N2. Colorless, odorless
• Hazards: May be asphyxiating in very high concentrations. Liquid nitrogen may cause frostbite or cold burns.
• Flammability: Non-flammable
• Classification: Gas

Nitrous Oxide

• N2O. Laughing gas. Colorless.
• Hazards: Anesthetic, simple asphyxiant.
• Flammability: Moderate, supports combustion, can form explosive mixture.
• Classification: Gas

Oxygen

• O2. Colorless, odorless.
• Hazards: None as gas; however, liquid may cause burns.
• Flammability: High. Supports combustion.
• Classification: Gas

Phosphine

• PH3. Hydrogen phosphide. Colorless, smells like rotten fish.
• Hazards: Very toxic; effects central nervous system and lungs; irritating; blood poison.
• Flammability: Dangerous, extremely flammable.
• Classification: Gas

Silane

• SiH4
• Hazards: Exposure unlikely due to spontaneous combustion.
• Flammability: Extremely flammable. Small leaks can ignite spontaneously in air.
• Classification: Gas
• MSDS

Silicon Tetrachloride

• SiCl4. Silicon chloride. Suffocating odor, colorless liquid.
• Hazards: Severe irritant, emits toxic vapors when heated.
• Flammability: Non-flammable
• Classification: Corrosive liquid.

THE ABOVE INFORMATION IS A BRIEF OVERVIEW AND IS NOT TO REPLACE MATERIAL SAFETY DATA SHEETS.
MSDS'S ARE LOCATED IN SEVERAL LOCATIONS THROUGHOUT THE LAB AND IN 243 EGRC