Household Chemicals
The skull and crossbones is used to indicate the presence of a poisonous chemical. If you see this symbol on a household |
Dangerous
Household
Chemicals
by Anne Marie Helmenstine, Ph.D.
Many common household
chemicals are dangerous. They may be reasonably safe when used as directed, yet
contain toxic chemicals or degrade over time into a more dangerous
chemical.
DANGEROUS HOUSEHOLD CHEMICALS
Here's a list of some of the most dangerous household chemicals,
including the ingredients to watch for and the nature of the risk.
1.
Air
Fresheners: Air fresheners may contain any of a
number of dangerous chemicals. Formaldehyde irritates the lungs and mucous
membranes and may cause cancer. Petroleum distillates are flammable, irritate
the eyes, skin, and lungs, and may cause fatal pulmonary edema in sensitive
individuals. Some air fresheners contain p-dichlorobenzene, which is a toxic
irritant. The aerosol propellants used in some products may be flammable and
may cause nervous system damage if inhaled.
2. Ammonia: Ammonia
is a volatile compound that can irritate the respiratory system and mucous
membranes if inhaled, can cause a chemical burn if it is spilled on skin, and
will react with chlorinated products (e.g., bleach) to produce deadly
chloramine gas.
3. Antifreeze: Antifreeze is ethylene
glycol, a chemical which is poisonous if swallowed. Breathing it can cause
dizziness. Drinking antifreeze can cause serious brain, heart, kidney, and
other internal organ damage. Ethylene glycol has a sweet flavor, so it is
attractive to kids and pets. Antifreeze typically contains a chemical to make
it taste bad, but the flavor is not always a sufficient deterrent. The sweet
smell is enough to lure pets.
4.
Bleach: Household
bleach contains sodium hypochlorite, a chemical that can cause irritation
and damage to the skin and respiratory system if inhaled or spilled on the
skin. Never mix bleach with ammonia or with toilet bowl cleaners or drain
cleaners, as dangerous and possibly deadly fumes may be produced.
5. Drain Cleaners: Drain cleaners typically
contain lye (sodium hydroxide) or sulfuric acid. Either chemical is capable of
causing an extremely serious chemical burn if splashed on the skin. They are
toxic to drink. Splashing drain cleaner in the eyes may cause blindness.
6.
Laundry
Detergent: Laundry detergents contain a variety of chemicals.
Ingestion of cationic agents may cause nausea, vomiting, convulsion, and coma.
Non-ionic detergents are irritants. Many people experience chemical sensitivity
to dyes and perfumes present in some detergents.
7. Mothballs: Mothballs are either
p-dichlorobenzene or naphthalene. Both chemicals are toxic and known to cause
dizziness, headaches, and irritation to the eyes, skin, and respiratory system.
Prolonged exposure can lead to liver damage and cataract formation.
8.
Motor Oil: Exposure
to the hydrocarbons in motor oil can cause cancer. Many people are unaware that
motor oil contains heavy metals, which can damage the nervous system and
other organ systems.
9.
Oven Cleaner: The
danger from oven cleaner depends on its composition. Some oven cleaners contain
sodium hydroxide or potassium hydroxide, which are extremely corrosive strong
bases. These chemicals can be deadly if swallowed. They can cause chemical
burns on the skin or in the lungs if the fumes are inhaled.
10.
Rat Poison: Rat
poisons (rodenticides) are less lethal than they used to be, but remain
poisonous to people and pets. Most rodenticides contain warfarin, a chemical
which causes internal bleeding if ingested.
11.
Windshield
Wiper Fluid: Wiper fluid is toxic if you drink it, plus some of the
poisonous chemicals are absorbed through the skin, so it is toxic to
touch. Swallowing ethylene glycol can cause brain, heart, and kidney damage,
and possibly death. Inhalation can cause dizziness. The methanol in wiper fluid
can be absorbed through the skin, inhaled, or ingested. Methanol damages brain,
liver, and kidneys and can cause blindness. The isopropyl alcohol acts as a
central nervous system depressant, causing drowsiness, unconsciousness, and
potentially death.
ANNE MARIE HELMENSTINE, PH.D. is an author and consultant with a broad scientific and medical
background.
EXPERIENCE
Anne has
taught chemistry, biology, and physics at the high school, college, and
graduate level. In her doctoral work, Anne developed ultra-sensitive chemical
detection and medical diagnostic tests. She has worked abstracting/indexing
diverse scientific literature for the Department of Energy. She presently works
as a freelance writer and scientific consultant. She enjoys adapting lab-based
science projects so that they can be performed safely at home.
EDUCATION
Dr.
Helmenstine has bachelor of arts degrees in physics and mathematics with a
minor in chemistry from Hastings College in Nebraska and a doctorate of
philosophy in biomedical sciences from the University of Tennessee at
Knoxville.
Chemistry
is part of everyone's life, from cooking and cleaning to the latest computer
chip technology and vaccine development. It doesn't have to be intimidating and
it doesn't have to be hard to understand.
You can
read more about Anne's current and past work on her Google Profile: Anne Helmenstine. Find
Anne's printable periodic tables and science projects at Science Notes.
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