ABC of Safety in the Biological Sciences
BRILLIANT GREEN (Colour Index No. 42040) (C27H34N2O4S)
SYNONYMS
Ethyl green, malachite green G, emerald green, solid green JJO,
diamond green G, aniline green, benzaldehyde green, fast green
J.
CHARACTERISTICS
Bright green crystals. Diaminotriarylmethane group of dyes.
INCOMPATIBILITY
Heating produces toxic fumes of nitrogen, sulphur and carbon.
HEALTH HAZARD DATA
This dye has been used as an antiseptic. It is toxic and may
prove to be fatal if swallowed. It is an irritant to skin, eyes
and mucous membranes. Acute exposure to the eyes can cause
keratitis and corneal opacity. Ingestion causes nausea,
vomiting, diarrhoea, abdominal pain and kidney irritation. Large
doses cause methaemoglobinaemia, cardiovascular collapse and
death due to respiratory failure.
HANDLING and GENERAL PRECAUTIONS
Avoid skin and eye contact. It will damage eyes.
Avoid inhalation.
Very toxic, can be fatal if ingested.
Keep away from heat.
Wash hands thoroughly after handling.
Use a fume hood to minimise exposure to this substance. Wear
protective clothing to avoid contact with this dye. A long
sleeved laboratory coat or gown, rubber gloves, safety goggles
and a face mask as a minimum standard.
TREATMENTS
Skin remove contaminated clothing and immediately wash the
affected area with soap or mild detergent and large amounts of
water until all evidence of the dye has been removed
(approximately 15 minutes). If irritation persists seek medical
advice. Wash contaminated clothing before reuse.
Eyes immediately wash the affected eye with large amounts of
water until all evidence of the chemical has been removed
(approximately 15 minutes). Seek immediate medical attention.
Inhalation remove from the area of exposure to fresh air. If
breathing has ceased apply artificial respiration. Give oxygen
if required. Seek medical advice.
Ingestion if the patient is conscious wash out the mouth
thoroughly with water and give two to four glasses of water to
drink. Induce vomiting by touching a finger to the back of the
throat. Seek immediate medical attention.
STORAGE
Store in a cool, dry atmosphere away from heat.
DISPOSAL
WEAR:
Leather gloves, heavy face shield and laboratory coat. Work from
behind a barricade (body shield or wall). Avoid unnecessary
heat, friction or impact.
SPILLS:
Absorb the liquid with paper or vermiculite. If it is a solid,
dampen then brush on to paper with great care. Place in a
plastic bag and remove outside for burning.
OR
Sponge up with water, followed by decontamination with 10%
ammonium ceric nitrate solution. 'Kill', by adding to a greater
stoichiometric amount of ammonium ceric nitrate solution with
agitation sufficient to provide suspension of all solids. Cool
the reaction. The organic azides and heavy metal azides are
explosive. Alkali and alkaline earth azides are not considered
explosives under normal laboratory conditions. Keep the stock of
azides very low. Stamp the date of receipt upon the package.
ENVIRONMENT
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