Safety data sheet
Page:
Lach-Ner, Ltd.
1 of 4
Safety Data Sheet
Catalogue No:
30797, 30799, 31034
Product name:
Potassium aluminium sulfate dodecahydrate
1. Identification of the substance/preparation and of the company/undertaking
Identification of the product
Product name:
Potassium aluminium sulfate dodecahydrate
Manufacturer/supplier identification
Lach-Ner, Ltd.
Company:
Tovární 157, 277 11 Neratovice Czech Republic
Contact for information:
+420 315 618 111 Telefax: +420 315 684 008
Emergency telephone No:
+420 224 919 293, +420 224 914 575
Use of the substance/preparation
Chemical production, Reagent for analysis, Pharmaceutical production and analysis
2. Composition/information on ingredients
Synonyms:
Potassium aluminium sulfate, Alum potassium
Molar mass:
474.39
EC-No.:
233-141-3
Molecular formula:
ALKO8S2*12H2O
Symbol:
-
CAS-No.:
7784-24-9
R phrases:
-
3. Hazards identification
-
4. First aid measures
After inhalation:
fresh air.
After skin contact:
wash off with water.
After eye contact:
rinse out with plenty of water for least 10 minutes with the eyelid held wide open.
Immediately summon eye specialist.
After swallowing:
Make victim drink plenty of water, induce vomiting, summon doctor.
5. Fire-fighting measures
Suitable extinguishing media:
In adaptation to materials stored in the immediate neighbourhood.
Special risks:
Non-combustible. Development of hazardous combustion gases or vapours possible in the event of fire. The
following may develop in event of fire: sulfur oxides.
Special protective equipment for fire fighting:
Do not stay in dangerous zone without suitable chemical protection clothing and self-contained breathing
apparatus.
Other information:
Contain escaping vapours with water. Prevent fire-fighting water from entering surface water or groundwater.
6. Accidental release measures
Lach-Ner, Ltd.
Safety Data Sheet
Catalogue No:
30797, 30799, 31034
Product name:
Potassium aluminium sulfate dodecahydrate
Person-related precautionary measures:
Avoid generation of dusts; do not inhale dusts.
Procedures for cleaning/absorption:
Take up dry. Forward for disposal. Clean up affected area.
Environmental-protection measures:
Do not allow entering sewerage system.
7. Handling and storage
Handling:
No further requirements.
Storage:
Tightly closed. Dry. Storage temperature: no restrictions. Clean up affected area.
8. Exposure controls/personal protection
Specific control parameter:
Personal protective equipment:
Respiratory protection:
required when dusts/vapours/aerosols are generated.
Eye protection:
required
Hand protection:
use recommended.
Glove material: in full contact: nit rile rubber (layer thickness: 0.11 mm),
in splash contact: nit rile rubber (layer thickness: 0.11 mm).
Protective clothing should be selected specifically for the working place,
depending on concentration and quantity of the hazardous substances handled.
The resistance of the protective clothing to chemicals should be ascertained
with the respective supplier.
Industrial hygiene:
Change contaminated clothing. Wash hands and face after working with
substance.
9. Physical and chemical properties
Form:
solid
Odour:
odourless
Colour:
colourless to white
pH (20 °C) at 100 g/l H2O:
~3.0-3.5
Melting temperature ( C):
92
Boiling temperature (°C):
not available
Ignition temperature (°C):
not available
Flash point:
not available
Explosion limits: lower -
not available
Density (20 °C):
1.74 g/cm3
upper -
not available
Relative vapour density:
not available
Solubility in water (20 °C):
139 g/l
Bulk density:
~900 kg/m3
Thermal decomposition:
60-200 °C (release of crystalline water)
0
780 °C (anhydrous substance)
10. Stability and reactivity
Condition to be avoided
Heating.
Substances to be avoided
strong oxidizing agents
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Lach-Ner, Ltd.
Safety Data Sheet
Catalogue No:
30797, 30799, 31034
Product name:
Potassium aluminium sulfate dodecahydrate
Hazardous decomposition products
In the event of fire: sulfur oxides.
Further information
releases water of crystallization when heated
11. Toxicological information
Acute toxicity
Quantitative data on the toxicity of this product are not available.
Subacute to chronic toxicity:
Bacterial mutagenicity: Escherichia coli: negative.
Further toxicological information
Substance properties: adstringent.
Property which must be anticipated on the basic of structure-effect considerations:
After skin contact:
Slight irritations.
After eye contact:
Slight irritations.
After swallowing:
irritations of mucous membranes in the mouth, pharynx, oesophagus
and gastrointestinal tract.
Other notes:
The following applies to aluminium compounds in general: after swallowing: only slightly absorbable via the
gastrointestinal tract. Serious disorders in man (from about 4000 mg aluminium up): phosphate metabolism,
calcium metabolism.
Further data
The product should be handled with the care usual when dealing with chemicals.
12. Ecological information
Biologic degradation:
Methods for the determination of biodegradability are not applicable to inorganic substances.
Ecotoxic effects
Quantitative data on the ecological effect of this product are not available.
Further ecological data:
The following applies to aluminium compounds in general: for acidic aluminium compounds: biological effects:
toxic for water organisms. Fish: toxic as from 0.55 mg/l; in very soft water toxic as from 0.1 mg/l; crustaceans:
D. magna toxic as from 136 mg/l; algae: Sc. guadricauda toxic as from 1.5 mg/l (all values referring to dissolved
Al). In the case of alkaline aluminium compounds, flocculations may cause mechanical damage in aquatic
organisms.
The following applies to sulfate in general: biological effects: fish: toxic as from 7 g/l; bacteria: toxic as from
2.5 g/l.
No ecological problems are to be expected when the product is handled and used with due care and attention
13. Disposal considerations
Product:
There are no uniform EC Regulations for the disposal of chemical or residues. Chemical residues generally
count as special waste. The disposal of the latter is regulated in the EC member countries through corresponding
laws and regulations. We recommended that you contact either the authorities in charge or approved waste
disposal companies, which will advise you on how to dispose of special waste.
Packaging:
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Lach-Ner, Ltd.
Safety Data Sheet
Catalogue No:
30797, 30799, 31034
Product name:
Potassium aluminium sulfate dodecahydrate
Disposal in compliance with official regulations. Handle contaminated packaging in the same way as the
substance itself. If not officially specified differently, non-contaminated packaging may be treated like
household waste or recycled.
14. Transport information
Not subject to transport regulations.
15. Regulatory information
Labelling according to EC Directives
Symbol:
-
R-phrases:
-
S-phrases:
22-24/25
Do not breathe dust. Avoid contact with skin and eyes.
16. Other information
Reason for alteration
General update.
Change in labelling.
Change in chapter No.: 8, 10, 11, 12.
Date of issue:
24.11.2005
First edition:
25.11.1999
The information contained herein is based on the present state of our knowledge.
It characterises the product with regard to the appropriate safety precautions.
It does not represent a guarantee of the properties of the product.
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