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Synonyms: Aluminium Potassium Sulphate ,Potassium alum dodecahydrate; Potash alum; Alum;
CAS No.: 10043-67-1 (Anhydrous) 7784-24-9 (Dodecahydrate)
Molecular Weight: 474.38
Chemical Formula: AlK(SO4)2 12H2O
Product Codes: 926
Ingredient CAS No Percent Hazardous
--------------------------------------- ------------ ------------
Sulfuric Acid, Aluminum Potassium Salt 10043-67-1 98 - 100% Yes
Potential Health Effects
----------------------------------
This material hydrolyzes in water to form sulfuric acid, which is responsible
for the irritating effects given below.
Inhalation: Causes irritation to the respiratory tract. Symptoms may
include coughing, shortness of breath.
Ingestion: Causes irritation to the gastrointestinal tract. Symptoms may
include nausea, vomiting and diarrhea. There have been two cases of fatal human
poisonings from ingestion of 30 grams of alum.
Skin Contact: Causes irritation to skin. Symptoms include redness,
itching, and pain.
Eye Contact: Causes irritation, redness, and pain.
Chronic Exposure: No information found.
Aggravation of Pre-existing Conditions: No information found.
Inhalation: Remove to fresh air. If not breathing,
give artificial respiration. If breathing is difficult, give oxygen. Get medical
attention.
Ingestion: If swallowed, DO NOT INDUCE VOMITING. Give large quantities of
water. Never give anything by mouth to an unconscious person. Get medical
attention immediately.
Skin Contact: Wipe off excess material from skin then immediately flush
skin with plenty of water for at least 15 minutes. Remove contaminated clothing
and shoes. Get medical attention. Wash clothing before reuse. Thoroughly clean
shoes before reuse.
Eye Contact: Immediately flush eyes with plenty of water for at least 15
minutes, lifting upper and lower eyelids occasionally. Get medical attention.
Fire: Not considered to be a fire hazard.
Explosion: Not considered to be an explosion hazard.
Fire Extinguishing Media: Use any means suitable for extinguishing
surrounding fire. Keep in mind that addition of water can cause the formation of
sulfuric acid.
Special Information: In the event of a fire, wear full protective
clothing and NIOSH-approved self-contained breathing apparatus with full
facepiece operated in the pressure demand or other positive pressure mode.
Cover spill with sodium bicarbonate or soda ash and mix. Ventilate area of leak or spill. Keep unnecessary and unprotected people away from area of spill. Wear appropriate personal protective equipment as specified in Section 8. Spills: Pick up and place in a suitable container for reclamation or disposal, using a method that does not generate dust.
Keep in a tightly closed container, stored in a cool, dry, ventilated area. Protect against physical damage. Isolate from incompatible substances. Containers of this material may be hazardous when empty since they retain product residues (dust, solids); observe all warnings and precautions listed for the product.
Airborne Exposure Limits: -OSHA Permissible Exposure
Limit (PEL):15 mg/m3 (TWA) total dust and 5 mg/m3 (TWA) respirable fraction for
Aluminum metal as Al.-ACGIH Threshold Limit Value (TLV):1 mg/m3 respirable
fraction (TWA), Aluminum metal and Insoluble compounds, A4.
Ventilation System: A system of local and/or general exhaust is
recommended to keep employee exposures below the Airborne Exposure Limits. Local
exhaust ventilation is generally preferred because it can control the emissions
of the contaminant at its source, preventing dispersion of it into the general
work area. Please refer to the ACGIH document, Industrial Ventilation, A
Manual of Recommended Practices, most recent edition, for details.
Personal Respirators (NIOSH Approved): If the exposure limit is exceeded
and engineering controls are not feasible, a half facepiece particulate
respirator (NIOSH type N95 or better filters) may be worn for up to ten times
the exposure limit or the maximum use concentration specified by the appropriate
regulatory agency or respirator supplier, whichever is lowest.. A full-face
piece particulate respirator (NIOSH type N100 filters) may be worn up to 50
times the exposure limit, or the maximum use concentration specified by the
appropriate regulatory agency, or respirator supplier, whichever is lowest. If
oil particles (e.g. lubricants, cutting fluids, glycerine, etc.) are present,
use a NIOSH type R or P filter. For emergencies or instances where the exposure
levels are not known, use a full-facepiece positive-pressure, air-supplied
respirator. WARNING: Air-purifying respirators do not protect workers in
oxygen-deficient atmospheres.
Skin Protection: Wear impervious protective clothing, including boots,
gloves, lab coat, apron or coveralls, as appropriate, to prevent skin contact.
Eye Protection: Use chemical safety goggles and/or full face shield where
dusting or splashing of solutions is possible. Maintain eye wash fountain and
quick-drench facilities in work area.
Appearance: Colorless crystals.
Odor: Odorless.
Solubility: 14% in water, 333% in boiling water
Density: 1.73
pH: 3.3 (0.2 M solution)
% Volatiles by volume @ 21C (70F): 0
Boiling Point: ca. 200C (ca. 392F) Loses water
Melting Point: 92.5C (198F)
Vapor Density (Air=1): No information found.
Vapor Pressure (mm Hg): No information found.
Evaporation Rate (BuAc=1): No information found.
Stability: Stable under ordinary conditions of use
and storage.
Hazardous Decomposition Products: Hydrolyzes to form dilute sulfuric
acid. Toxic and corrosive oxides of sulfur may be formed when heated to
decomposition.
Hazardous Polymerization: Will not occur.
Incompatibilities: Corrosive to metals in the presence of water.
Conditions to Avoid: Moisture and incompatibles.
Investigated as a reproductive effector.
--------\Cancer Lists\-----------------------------------------------
---NTP Carcinogen---
Ingredient Known Anticipated IARC Category
------------------------------------ ----- ----------- ------
Sulfuric Acid, Aluminum Potassium No No None
Salt (2:1:1) (10043-67-1)
Environmental Fate: No information found.
Environmental Toxicity: No information found.
Whatever cannot be saved for recovery or recycling should be managed in an appropriate and approved waste disposal facility. Processing, use or contamination of this product may change the waste management options. State and local disposal regulations may differ from federal disposal regulations. Dispose of container and unused contents in accordance with federal, state and local requirements.
Not regulated.
--------\Chemical Inventory Status - Part 1\-------------------------
Ingredient TSCA EC Japan Australia
----------------------------------------------- ---- --- ----- --
Sulfuric Acid, Aluminum Potassium Salt (2:1:1) Yes Yes Yes Yes
(10043-67-1)
--------\Chemical Inventory Status - Part 2\-------------------------
--Canada--
Ingredient Korea DSL NDSL Phil.
----------------------------------------------- ----- --- ---- -
Sulfuric Acid, Aluminum Potassium Salt (2:1:1) Yes Yes No Yes
(10043-67-1)
--------\Federal, State & International Regulations - Part 1\--------
-SARA 302- ------SARA 313------
Ingredient RQ TPQ List Chemical Catg.
----------------------------------------- --- ----- ---- ------
Sulfuric Acid, Aluminum Potassium Salt No No No No
(2:1:1) (10043-67-1)
--------\Federal, State & International Regulations - Part 2\--------
-RCRA- -TSCA-
Ingredient CERCLA 261.33 8(d)
----------------------------------------- ------ ------ -----
Sulfuric Acid, Aluminum Potassium Salt No No No
(2:1:1) (10043-67-1)
Chemical Weapons Convention: No TSCA 12(b): No CDTA: No
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