ABC of Safety in the Biological Sciences
DIALKYLpPHENYLENE DIAMINES
NNdiethylpphenylenediamine sulphate
(C2H5)2NC6H4NH2.H2SO4). Slightly tinted to buff crystalline powder.
NNdimethylpphenylenediamine (CH3)2NC6H4NH2). Reddishviolet crystals.
NNdimethylpphenylenediamine hydrochloride (CH3)2NC6H4NH2.2HC). White or grey hygroscopic crystalline powder.
NNdimethylpphenylenediamine oxalate. White or slightly tinted crystalline powder.
NNdimethylpphenylenediamine sulphate
(CH3)2NC6H4NH2.H2SO4). White or greyish blue hygroscopic crystals.
SYNONYMS
paminoNNdimethylaniline.
INCOMPATIBILITY
Heating produces toxic fumes. These vary according to the
compound.
HEALTH HAZARD DATA
They are all highly toxic by inhalation or ingestion and can be
absorbed through the skin causing toxicity. They are an eye and
skin irritant and contact dermatitis may occur from repeated
exposure.
HANDLING and GENERAL PRECAUTIONS
All are highly toxic through all routes of exposure.
Use a fume hood.
Keep away from light.
Keep away from heat.
Keep the lids tightly sealed.
Wash hands thoroughly after handling.
Use a fume hood to keep the level of exposure to a minimum.
Avoid all contact with these substances. Wear protective
clothing. A long sleeved laboratory coat or gown, rubber gloves,
safety goggles and a face mask as a minimum standard.
TREATMENTS
Skin immediately wash the affected area with soap or mild
detergent (base) water (salts). Use large amounts of water until
all evidence of the chemical has been removed (approximately 15
minutes). If clothing becomes contaminated, wash before reuse.
If irritation develops seek medical attention.
Eyes immediately wash the affected eye with large amounts of
water until all evidence of the chemical has been removed
(approximately 15 minutes). If irritation or pain persist seek
immediate medical attention.
Inhalation remove from the area of exposure to fresh air. If
breathing has ceased apply artificial respiration. Keep warm and
allow to rest. If signs of toxicity develop seek medical
attention.
Ingestion wash the mouth with water and give water to drink.
Seek immediate medical attention.
STORAGE
Store in a tightly sealed container in the dark, in a cool, dry
atmosphere away from heat.
DISPOSAL
WEAR:
Butyl rubber gloves, laboratory coat and self contained
breathing apparatus.
SPILLS:
On skin and clothing; wash skin with strong soap solution
immediately. Rinse thoroughly. Contaminated clothing should be
removed, dried and washed with strong soap solution or
destroyed. It may be necessary to destroy shoes by burning.
Small spills: absorb liquid on paper towels. Brush solids on to
paper. Place in an iron pan and allow evaporation in a fume
hood. Add crumpled paper and burn. Wash spill site with a strong
soap solution.
Large spills: cover with sand and soda ash mixture (90/10). Mix
and shovel into a cardboard box. Pack with a large excess of
crumpled paper. Burn in an open pit or incinerator equipped with
an afterburner and scrubber.
PACKAGE LOTS: Either
1 Pour or sift on to a thick layer of sand and soda ash mixture
(90/10). Mix, and shovel into a heavy paper box with much paper
packaging. Burn in an incinerator. The fire may be augmented
with scrap wood. Stay on the upwind side.
OR
2 Dissolve in a flammable solvent and spray into the firebox of
an incinerator equipped with an afterburner and scrubber.
ENVIRONMENT
This substance is toxic to micro-organisms and must not be
released into the environment.
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