SIGMA-ALDRICH
Material Safety Data Sheet
Date Printed: 19/MAY/2005
Date Updated: 12/MAR/2004
Version 1.4
According to 91/155/EEC
Classified as Hazardous according to the criteria of EU Annex 1 and
NOHSC.
1 - Product and Company Information
Product Name SODA ASH, LIGHT, TECH.
Product Number 330361
Company Sigma-Aldrich Pty, Ltd
Unit 2, 14 Anella Avenue
Castle Hill NSW 1765
Australia
Technical Phone # +61 2 9841 0555
Fax +61 2 9841 0500
Emergency Phone # +61 2 9841 0566
2 - Composition/Information on Ingredients
Product Name CAS # EC no Annex I
Index Number
SODIUM CARBONATE (ANHYDROUS) 497-19-8 207-838-8 011-005-00-2
Formula Na2CO3
Molecular Weight 105.99 AMU
Synonyms Bisodium carbonate * Calcined soda * Carbonic
acid, disodium salt * Crystol carbonate *
Disodium carbonate * Snowlite 1 * Soda ash *
Solvay soda
3 - Hazards Identification
SPECIAL INDICATION OF HAZARDS TO HUMANS AND THE ENVIRONMENT
Irritating to eyes.
4 - First Aid Measures
AFTER INHALATION
If inhaled, remove to fresh air. If not breathing give
artificial respiration. If breathing is difficult, give oxygen.
AFTER SKIN CONTACT
In case of contact, immediately wash skin with soap and copious
amounts of water.
AFTER EYE CONTACT
In case of contact, immediately flush eyes with copious amounts
of water for at least 15 minutes.
AFTER INGESTION
If swallowed, wash out mouth with water provided person is
conscious. Call a physician.
5 - Fire Fighting Measures
EXTINGUISHING MEDIA
Suitable: Noncombustible. Use extinguishing media appropriate to
surrounding fire conditions.
SPECIAL RISKS
Specific Hazard(s): Emits toxic fumes under fire conditions.
SPECIAL PROTECTIVE EQUIPMENT FOR FIREFIGHTERS
Wear self-contained breathing apparatus and protective clothing
to prevent contact with skin and eyes.
6 - Accidental Release Measures
PERSONAL PRECAUTION PROCEDURES TO BE FOLLOWED IN CASE OF LEAK OR SPILL
Evacuate area.
PROCEDURE(S) OF PERSONAL PRECAUTION(S)
Wear respirator, chemical safety goggles, rubber boots, and
heavy rubber gloves.
METHODS FOR CLEANING UP
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.
7 - Handling and Storage
HANDLING
Directions for Safe Handling: Do not breathe dust. Avoid contact
with eyes, skin, and clothing. Avoid prolonged or repeated
exposure.
STORAGE
Conditions of Storage: Keep tightly closed.
SPECIAL REQUIREMENTS: Hygroscopic.
8 - Exposure Controls / Personal Protection
ENGINEERING CONTROLS
Safety shower and eye bath. Mechanical exhaust required.
GENERAL HYGIENE MEASURES
Wash thoroughly after handling.
PERSONAL PROTECTIVE EQUIPMENT
Respiratory Protection: Government approved respirator.
Hand Protection: Compatible chemical-resistant gloves.
Eye Protection: Chemical safety goggles.
9 - Physical and Chemical Properties
Appearance Physical State: Solid
Color: White
Form: Powder
Property Value At Temperature or Pressure
pH 12
BP/BP Range N/A
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MP/MP Range 851 藲C
Flash Point N/A
Flammability N/A
Autoignition Temp N/A
Oxidizing Properties N/A
Explosive Properties N/A
Explosion Limits N/A
Vapor Pressure N/A
SG/Density 2.532 g/cm3
Partition Coefficient N/A
Viscosity N/A
Vapor Density N/A
Saturated Vapor Conc. N/A
Evaporation Rate N/A
Bulk Density N/A
Decomposition Temp. N/A
Solvent Content N/A
Water Content N/A
Surface Tension N/A
Conductivity N/A
Miscellaneous Data N/A
Solubility Solubility in Water:1 M in H2O, 20藲C
complete, colorless
10 - Stability and Reactivity
STABILITY
Conditions to Avoid: Moisture.
Materials to Avoid: Strong acids.
HAZARDOUS DECOMPOSITION PRODUCTS
Hazardous Decomposition Products: Carbon monoxide, Carbon dioxide,
Sodium/sodium oxides.
HAZARDOUS POLYMERIZATION
Hazardous Polymerization: Will not occur
11 - Toxicological Information
RTECS NUMBER: VZ4050000
ACUTE TOXICITY
LD50
Oral
Rat
4090 mg/kg
LC50
Inhalation
Rat
2,300 mg/m3
2H
Remarks: Lungs, Thorax, or Respiration:Dyspnea.
Gastrointestinal:Other changes.
LD50
Oral
Mouse
6600 mg/kg
LC50
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Inhalation
Mouse
1,200 mg/m3
2H
Remarks: Lungs, Thorax, or Respiration:Dyspnea.
Gastrointestinal:Other changes.
LD50
Intraperitoneal
Mouse
117 MG/KG
LD50
Subcutaneous
Mouse
2210 MG/KG
LC50
Inhalation
Guinea pig
800 mg/m3
2H
Remarks: Lungs, Thorax, or Respiration:Dyspnea.
Gastrointestinal:Other changes.
IRRITATION DATA
Skin
Rabbit
500 mg
24H
Remarks: Mild irritation effect
Eyes
Rabbit
100 mg
24H
Remarks: Moderate irritation effect
Eyes
Rabbit
100 mg
30S
Remarks: Rinsed
Eyes
Rabbit
50 mg
Remarks: Severe irritation effect
SIGNS AND SYMPTOMS OF EXPOSURE
Symptoms of exposure may include burning sensation, coughing,
wheezing, laryngitis, shortness of breath, headache, nausea, and
vomiting.
ROUTE OF EXPOSURE
Skin Contact: Causes skin irritation.
Skin Absorption: May be harmful if absorbed through the skin.
Eye Contact: Causes severe eye irritation.
Inhalation: May be harmful if inhaled. Material is irritating to
mucous membranes and upper respiratory tract.
Ingestion: May be harmful if swallowed.
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CHRONIC EXPOSURE - REPRODUCTIVE HAZARD
Species: Mouse
Dose: 84800 NG/KG
Route of Application: Intrauterine
Exposure Time: (4D PREG)
Result: Effects on Fertility: Pre-implantation mortality (e.g.,
reduction in number of implants per female; total number of
implants per corpora lutea).
12 - Ecological Information
ECOTOXICOLOGICAL EFFECTS
Test Type: EC50 Daphnia
Species: Daphnia magna
Time: 48 h
Value: 265 mg/l
Test Type: LC50 Fish
Species: Lepomis macrochirus (Bluegill)
Time: 96 h
Value: 300 mg/l
13 - Disposal Considerations
SUBSTANCE DISPOSAL
Contact a licensed professional waste disposal service to dispose
of this material. Dissolve or mix the material with a combustible
solvent and burn in a chemical incinerator equipped with an
afterburner and scrubber. Observe all federal, state, and local
environmental regulations.
14 - Transport Information
RID/ADR
Non-hazardous for road transport.
IMDG
Non-hazardous for sea transport.
IATA
Non-hazardous for air transport.
15 - Regulatory Information
CLASSIFICATION AND LABELING ACCORDING TO EU DIRECTIVES
ANNEX I INDEX NUMBER: 011-005-00-2
INDICATION OF DANGER: Xi
Irritant.
R-PHRASES: 36
Irritating to eyes.
S-PHRASES: 22 26
Do not breathe dust. In case of contact with eyes, rinse
immediately with plenty of water and seek medical advice.
SWITZERLAND
SWISS POISON CLASS: 5
16 - Other Information
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WARRANTY
The above information is believed to be correct but does not
purport to be all inclusive and shall be used only as a guide. The
information in this document is based on the present state of our
knowledge and is applicable to the product with regard to
appropriate safety precautions. It does not represent any
guarantee of the properties of the product. Sigma-Aldrich Inc.,
shall not be held liable for any damage resulting from handling or
from contact with the above product. See reverse side of invoice
or packing slip for additional terms and conditions of sale.
Copyright 2005 Sigma-Aldrich Co. License granted to make unlimited
paper copies for internal use only.
DISCLAIMER
For R&D use only. Not for drug, household or other uses.
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