Tetraacetylethylenediamine(TAED)
Many household and personal care products are formulated with an active oxygen-releasing material to effect removal of
stain and soil. Oxygen-releasing materials have an important limitation; their activity is extremely temperature-dependent.
Temperatures in excess of 60 DEG C are normally required to achieve any bleach effectiveness in an aqueous wash system. Especially
for cleaning fabrics, high-temperature operation is both economically and practically disadvantageous. Thus, bleaching activators
have been applied in an object to activate bleaching reaction at low temperatures
As the most commercialized low temperature bleaching activator, TAED is
typically applied in domestic laundry detergents, automatic dish washing, bleach boosters, laundry soak treatments, to improve
the washing performance. TAED could be applied in textile bleaching to react with hydrogen peroxide in the bleach bath to
produce a stronger oxidant. The use of TAED as bleach activator enables bleaching at lower process temperatures and under
milder pH conditions.In pulp and paper industry, TAED is suggested to react with hydrogen peroxide to form a pulp bleaching
solution. The addition of TAED into pulp bleaching solution results in a satisfactory bleaching effect.TAED used for detergent
industry is in granular form, free-flowing, and has several colors (mainly white, green, blue) to choose depending on users’
choice.
Synonyms:
N,N'-1,2-ethanediylbis[N-acetylacetamide]; N,N'-ethylenebis[N-acetylacetamide]; T.A.E.D.; Tetraacetylethylenediamine;
Formula:C10H16N2O4
CAS No:10543-57-4
MW:228.2474
mp( C):149 - 154
Density: 0.9
Safety:
.------------------------------------ FIRST-AID MEASURES--------------------------------------------------
IN CASE OF CONTACT, IMMEDIATELY FLUSH EYES WITH COPIOUS AMOUNTS OF WATER FOR AT LEAST 15 MINUTES. IN CASE OF
CONTACT, IMMEDIATELY WASH SKIN WITH SOAP AND COPIOUS AMOUNTS OF WATER. IF INHALED, REMOVE TO FRESH AIR. IF NOT BREATHING
GIVE ARTIFICIAL RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN. IF SWALLOWED, WASH OUT MOUTH WITH WATER PROVIDED
THE PERSON IS CONSCIOUS. CALL A PHYSICIAN. WASH CONTAMINATED CLOTHING BEFORE REUSE.
.----------------------------------- FIRE FIGHTING MEASURES --------------------------------------------
EXTINGUISHING MEDIA WATER SPRAY. CARBON DIOXIDE, DRY CHEMICAL POWDER OR APPROPRIATE FOAM. SPECIAL FIREFIGHTING
PROCEDURES WEAR SELF-CONTAINED BREATHING APPARATUS AND PROTECTIVE CLOTHING TO PREVENT CONTACT WITH SKIN AND EYES. UNUSUAL
FIRE AND EXPLOSIONS HAZARDS EMITS TOXIC FUMES UNDER FIRE CONDITIONS.
.----------------------------------- ACCIDENTAL RELEASE MEASURES---------------------------------
WEAR RESPIRATOR, CHEMICAL SAFETY GOGGLES, RUBBER BOOTS AND HEAVY RUBBER GLOVES. SWEEP UP, PLACE IN A BAG AND
HOLD FOR WASTE DISPOSAL. AVOID RAISING DUST. VENTILATE AREA AND WASH SPILL SITE AFTER MATERIAL PICKUP IS COMPLETE.
.----------------------------------- EXPOSURE CONTROLS/PERSONAL PROTECTION ------------ CHEMICAL SAFETY
GOGGLES. COMPATIBLE CHEMICAL-RESISTANT GLOVES. STATE-APPROVED RESPIRATOR. SAFETY SHOWER AND EYE BATH. MECHANICAL
EXHAUST REQUIRED. AVOID INHALATION. AVOID CONTACT WITH EYES, SKIN AND CLOTHING. AVOID PROLONGED OR REPEATED EXPOSURE. WASH
THOROUGHLY AFTER HANDLING. KEEP TIGHTLY CLOSED. STORE IN A COOL DRY PLACE.
.----------------------------------- STABILITY AND REACTIVITY -----------------------------------------
STABILITY: STABLE. INCOMPATIBILITIES: STRONG OXIDIZING AGENTS ACIDS BASES AVOID CONTACT WITH METALS. HAZARDOUS
COMBUSTION OR DECOMPOSITION PRODUCTS TOXIC FUMES OF: CARBON MONOXIDE, CARBON DIOXIDE NITROGEN OXIDES HAZARDOUS
POLYMERIZATION WILL NOT OCCUR.
.----------------------------------- TOXICOLOGICAL INFORMATION ----------------------------------- ACUTE
EFFECTS: MAY BE HARMFUL BY INHALATION, INGESTION, OR SKIN ABSORPTION. MAY CAUSE EYE IRRITATION. MAY CAUSE SKIN IRRITATION. MATERIAL
MAY BE IRRITATING TO MUCOUS MEMBRANES AND UPPER RESPIRATORY TRACT.: TO THE BEST OF OUR KNOWLEDGE, THE CHEMICAL, PHYSICAL,
AND TOXICOLOGICAL PROPERTIES HAVE NOT BEEN THOROUGHLY INVESTIGATED. ADDITIONAL INFORMATION: ORL-RAT LD50:7.94 G/KG ONLY
SELECTED REGISTRY OF TOXIC EFFECTS OF CHEMICAL SUBSTANCES (RTECS) DATA IS PRESENTED HERE. SEE ACTUAL ENTRY IN RTECS FOR COMPLETE
INFORMATION.
.----------------------------------- DISPOSAL CONSIDERATIONS -------------------------------------
DISSOLVE OR MIX THE MATERIAL WITH A COMBUSTIBLE SOLVENT AND BURN IN A CHEMICAL INCINERATOR EQUIPPED WITH AN AFTERBURNER
AND SCRUBBER. OBSERVE P.R.OF CHINA, YOUR STATE AND LOCAL ENVIRONMENTAL REGULATIONS.
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