ABC of Safety in the Biological Sciences
EOSIN B (Colour Index No. 45400) (C20H6N2O9Br2Na2)
SYNONYMS
Eosine I bluish, eosin BN, eosin BA, eosin BS, eosin BW, eosin
DHV, saffrosin, eosin scarlet B, scarlet J, scarlet JJ, scarlet
V, napolin G, imperial red, acid red 91.
CHARACTERISTICS
Red powder, may explode when exposed to heat or a naked flame.
Xanthene group of dyes.
INCOMPATIBILITY
Heating produces highly toxic fumes of bromine and oxides of
sodium. May explode when exposed to heat or a naked flame.
HEALTH HAZARD DATA
This substance may explode when exposed to heat or a naked
flame. It is a skin irritant and has also caused
photosensitisation, cheilitis and stomatitis when used in
lipstick preparations. Causes transient eye irritation. There is
no data available regarding inhalation or ingestion. Because of
its chemical structure it is assumed that it will irritate the
respiratory system.
HANDLING and GENERAL PRECAUTIONS
Avoid skin and eye contact.
Avoid inhalation.
Keep away from heat or naked flames.
Wash hands thoroughly after handling.
Wear protective clothing to avoid skin or eye contact. A long
sleeved laboratory coat or gown, rubber gloves, safety goggles
as a minimum standard.
TREATMENTS
Skin 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 attention.
Eyes immediately wash the affected eye with large amounts of
water until all evidence of the dye has been removed
(approximately 15 minutes). If irritation persists seek
immediate medical attention.
Inhalation remove from the area of exposure to fresh air. Keep
warm and allow to rest. If discomfort develops and persists seek
medical attention.
Ingestion wash out the mouth thoroughly with water and give
two four glasses of water to drink. Induce vomiting by touching
a finger to the back of the throat. If discomfort persists seek
medical advice. Never give anything by mouth to a person that is
not conscious.
STORAGE
Store in a cool, dry atmosphere away from heat or naked flame.
DISPOSAL
WEAR:
Butyl rubber gloves, laboratory coat, self contained breathing
apparatus and protective shoes.
SPILLS:
On skin and clothing: wash skin with a strong soap solution
immediately. Rinse well. Contaminated clothing should be removed
and cleaned at once or destroyed by burning.
Small spills: absorb liquid on paper towels or vermiculite;
sweep solid spills on to paper. Put on an iron pan in a fume
hood and allow to evaporate. Burn the paper or vermiculite in
the absence of other inflammables. Wash the site thoroughly with
a strong soap solution.
Large spills: absorb or mix with vermiculite, sodium bicarbonate
or sand. Package this in a paper carton and burn in an open pit.
Use wood scraps and crumpled paper to augment burning. Wash the
site thoroughly with a strong soap solution.
PACKAGE LOTS: Either
1 Pour os sift on to sodium bicarbonate or a sand, soda ash
mixture (90/10). Mix and package in heavy paper cartons with
plenty of paper packing to serve as fuel. Burn in an
incinerator.
OR
2 Mix with a flammable solvent and spray into a firebox of an
incinerator equipped with an afterburner and scrubber.
NOTE:
Destruction by chemical decomposition is recommended for dinitro,
trinitro and other compounds with explosive potential. Add the
material, slowly, while stirring, to 30 times its weight of a
solution prepared by dissolving 1 part sodium sulphide in 6
parts water. For unstable acidic materials (eg. picric acid)
dissolve in 25 times its weight in a solution from 1 part sodium
hydroxide and 21 parts sodium sulphide in 200 parts water. Some
hydrogen sulphide and ammonia is evolved.
ENVIRONMENT:
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