Merck Pty. Limited - Material Safety Data Sheet 2003 Page 1 of 5
Date of Issue: October, 2006 Merck Pty. Limited
ABN 25 005 064 791
207 Colchester Road
Material Safety Data Sheet
Kilsyth, Vic 3137, Australia
Hazardous according to criteria of NOHSC
Telephone: +61 (0) 3 9728 7600
Fax: +61 (0) 3 9728 1351
Product Code: 1.06462 Emergency Telephone: +61 (0) 3 9728 7600
SODIUM HYDROXIDE PELLETS PURE Business Hours: 8:15am to 6:00pm
Monday through Friday
Identification
Product Name: SODIUM HYDROXIDE PELLETS PURE
Other Names: SODIUM HYDROXIDE, SOLID
Alkali
Product Code: 1.06462
UN Number: 1823
Dangerous Goods Class & Subsidiary Risk: 8
Packaging Group: II
Hazchem Code: 2X
Poisons Schedule Number: S6
Use: General laboratory reagent.
Physical Description and Properties
Colour: white Flash Point (Open Cup): Not applicable
Form: solid Upper Flammability Limit: Not applicable
Odour: odourless Lower Flammability Limit: Not applicable
Boiling Point: 1390掳C Ignition Temperature: Not applicable
Melting Point: 323掳C Log P (o/w): No data
Vapour Pressure: Not applicable Specific Gravity or Density: 2.13
Vapour Density: Not applicable Viscosity: Not applicable
Solubility in Water: Very soluble
pH: 14 (50g/l H2O)
Other Information: Non-combustible.
sensitive to air, sensitive to moisture.
Conditions / Substances to be avoided: Substances to be avoided: Aluminium, zinc, tin (Formation of:
hydrogen); acids, nitriles, alkaline earth metals in powder form,
ammonium compounds, cyanides, magnesium, organic nitro
compounds, organic combustible substances, phenols,
oxidizable substances.
Ingredients
Chemical Name CAS Number Proportion
Sodium Hydroxide 1310-73-2 100 %
All constituent chemicals are listed in the Australian Inventory of Chemical Substances (AICS)
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Merck Pty. Limited - Material Safety Data Sheet 2003 Page 2 of 5
Product Code: 1.06462 (SODIUM HYDROXIDE PELLETS PURE)
Health Hazard Information
Toxicological Information: No data.
Eye irritation test (rabbit): Burns.
Skin irritation test (rabbit): Burns.
No evidence of carcinogenic properties. No evidence of mutagenic or
teratogenic effects.
Carcinogen Category: No evidence of carcinogenic properties.
Mutagen Category: No evidence of mutagenic properties.
Teratogen Category: No evidence of teratogenic effects.
Strongly corrosive substance.
After inhalation: Severe burns of mucous membranes.
After skin contact: Severe burns.
After eye contact: Severe burns. Risk of blindness!
After ingestion: Risk of perforation in the oesophagus and stomach.
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Merck Pty. Limited - Material Safety Data Sheet 2003 Page 3 of 5
Product Code: 1.06462 (SODIUM HYDROXIDE PELLETS PURE)
First Aid Information
For advice, contact a doctor or Poisons Information Centre. Phone 13
1126.
Eye contact: Hold eyes open, flood with water for at least 15 minutes and
see a doctor.
Inhalation: Remove from exposure, rest and keep warm. In severe cases,
or if exposure has been great, OBTAIN MEDICAL ATTENTION.
Skin contact: Drench the skin thoroughly with water. Remove contaminated
clothing and wash before re-use. Unless contact has been slight, OBTAIN
MEDICAL ATTENTION.
Ingestion: Wash out mouth thoroughly with water and give plenty of water
to drink. Do NOT induce vomiting. OBTAIN MEDICAL ATTENTION.
Contact a doctor or Poisons Information Centre. Phone 13 1126.
First Aid Facilites: Safety shower. Eyewash facilities.
Advice to Doctor: Treat symptomatically.
Precautions For Use:
NOHSC Australia Exposure Standards:
TWA STEL
Sodium Hydroxide 2 mg/m3 N/A
Peak Limit: Sodium Hydroxide: True
Carcinogen Limit: N/A
Protective Measures:
Engineering Controls & As appropriate to quantity handled.
Personal Protection: Respirator: Dust respirator. Ensure respirator is clean, well-fitting and in
good working order. All respirators should comply wth Australian
Standard AS 1716 and be used in accordance with AS 1715.
Ventilation: Extraction hood.
Gloves: Rubber or plastic
Eye Protection: Goggles or face-shield
Other Precautions: Plastic apron, sleeves, boots - if handling large
quantities
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Merck Pty. Limited - Material Safety Data Sheet 2003 Page 4 of 5
Product Code: 1.06462 (SODIUM HYDROXIDE PELLETS PURE)
Safe Handling Information:
Storage: Store at room temperature (15 to 25掳C recommended). Keep
well closed and protected from direct sunlight and moisture.
Handling: Avoid generation of dusts. Change contaminated clothing.
Application of skin- protective barrier cream recommended.
Wash hands after working with substance. Do not empty into
drains.
Transport:
UN Number: 1823
Dangerous Goods Class & Subsidiary Risk: 8
Packaging Group: II
Other Names: SODIUM HYDROXIDE, SOLID
Spillage and Disposal:
Wear appropriate protective clothing. Transfer to container and arrange removal by disposal company. Wash
site of spillage thoroughly with detergent and water. For large spillages liquids should be contained with sand
or earth and both liquids and solids transferred to salvage containers. Any residues should be treated as for
small spillages.
Chemical residues are generally classified as special waste, and as such are covered by regulations, which
vary according to location. We strongly recommend that you retain the services of a licensed Waste Disposal
Company to dispose of your waste.
Rinse out empty containers thoroughly before disposal or recycling.
The containers recommended A, B, C etc allow for the consolidation of similar types of waste prior to
professional disposal.
Inorganic bases should be diluted if necessary by carefully stirring them into water and then neutralised
(protective gloves, fume cupboard!) with hydrochloric acid (Cat. No. 1.00312). Before placing in container D,
check the pH with pH universal indicator strips (Cat. No. 1.09535).
Fire and Explosion:
Flammability: Non-combustible.
Suitable Extinguishing Media: Not applicable to this product.
Use extinguisher relative to the combustible materials on fire.
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Merck Pty. Limited - Material Safety Data Sheet 2003 Page 5 of 5
Product Code: 1.06462 (SODIUM HYDROXIDE PELLETS PURE)
Other Information:
Hazard Symbol: C
Risk Codes: R35
Causes severe burns
Safety Codes: S26-36/37/39-45
In case of contact with eyes, rinse immediately with plenty of
water and contact a doctor or Poisons Information Centre. Wear
suitable protective clothing, gloves, and eye/face protection. In
case of accident or if you feel unwell, contact a doctor or Poisons
Information Centre immediately and show this container or label.
Phone 13 1126.
Ecological Information: Biologic degradation: Methods for the determination of
biodegradability are not applicable to inorganic substances.
Behaviour in environmental compartments: Concentration in
organisms is not to be excepted.
Ecotoxic effects: Biological effects: Toxic effect on fish and
plankton.
Harmful effect due to pH shift. Death of fish possible. Does not
cause biological oxygen deficit. Neutralization possible in waste
water treatment plants.
Fish toxicity: Onchorhynchus mykiss LC50: 45.4 mg/l /96 h (in
hard water);
Lepomis macrochirus LC50: 99 mg/l /48 h;
Daphnia toxicity: Daphnia magna EC50: 76 mg/l /24 h.
Further ecologic data: Do not allow to enter waters, waste water,
or soil!
Key to Hazard Symbols: Xn=Harmful, Xi=Irritant, T=Toxic, T+=Very Toxic, C=Corrosive,
F=Flammable, F+=Very Flammable, E=Explosive, N=Dangerous
for the Environment, H=NOHSC undefined hazardous substance
Contact Point:
Operations Manager
(03) 9728 5855
Monday through Friday, 8:00am to 5:00pm (EST)
Manufacture's Advice:
This MSDS summarises our best knowledge of the health and safety hazard information of the product and
how to safely handle and use the product in the workplace.Each user should read this MSDS and consider the
information in the context of how the product will be handled and used in the workplace including in
conjunction with other product.If clarification of further information is needed to ensure that an appropriate risk
assessment can be made, the user should contact this company.Our responsibility for products sold is subject
to our standard terms and conditions, a copy of which is sent to our customers and is also available on request
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