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Material Safety Data Sheet
Sodium Metabisulphite

Supplier Information
Exporter/Manufacturer Name: Qinhuangdao Sinochem Imp.& Exp.Co.,Ltd.
Exporter/Manufacturer Address:11/F,Sinochem Office,No.119 YanShan St.,
Exporter/Manufacturer City:Qinhuangdao
Exporter/Manufacturer Province:Hebei
Exporter/Manufacturer Post Code:066001
Exporter/Manufacturer Country:China
24 Hour Emergency Telephone:0086-335-3853877

Product Identification
COMMODITY : Sodium Metabisulphite
OTHER NAMES : Sodium Metabisulfite, Sodium Pyrosulphite, Disodium Pyrosulfite, SMBS.
CAS No: 7681-57-4
Formula : Na2S2O5
Molecular Weight: 190.11

Hazards Identification
No adverse health effects expected if the product is handled in accordance with this Safety Data Sheet and the product label. Symptoms that may arise if the product is mishandled are:
SWALLOWED: Swallowing large amounts may cause nausea, vomiting and abdominal pain.
EYE: A Moderate to severe eye irritant.
SKIN: Contact with skin may result in moderate irritation.
INHALED: Exposure to dust will result in respiratory irritation. Under certain circumstances, sulphur dioxide may be generated which will also irritate the respiratory tract.

Remove to fresh air. Get medical attention for any breathing difficulty.
Give several glasses of water to drink to dilute. If large amounts were swallowed, get medical advice.
Skin Contact:
Not expected to require first aid measures.
Eye Contact:
Wash thoroughly with running water. Get medical advice if irritation develops.

Fire Fighting Measures
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.
Special Information: Use protective clothing and breathing equipment appropriate for the surrounding fire.

Accidental Release Measures
Ventilate area of leak or spill. Wear appropriate personal protective equipment as specified in Section 8. Spills: Sweep up and containerize for reclamation or disposal. Vacuuming or wet sweeping may be used to avoid dust dispersal. Small amounts of residue may be flushed to sewer with plenty of water.

Handling and Storage
Keep in a tightly closed container, stored in a cool, dry, ventilated area. Protect against physical damage. 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.

Exposure Controls/Personal Protection
Airborne Exposure Limits: None established.
Ventilation System: In general, dilution ventilation is a satisfactory health hazard control for this substance. However, if conditions of use create discomfort to the worker, a local exhaust system should be considered.
Personal Respirators (NIOSH Approved): For conditions of use where exposure to the dust or mist is apparent, a half-face dust/mist respirator may be worn. For emergencies or instances where the exposure levels are not known, use a full-face positive-pressure, air-supplied respirator. WARNING: Air-purifying respirators do not protect workers in oxygen-deficient atmospheres.
Skin Protection: Wear protective gloves and clean body-covering clothing.
Eye Protection: Use chemical safety goggles. Maintain eye wash fountain and quick-drench facilities in work area.

Physical and Chemical Properties
Appearance : White crystals or powder with sulphur dioxide odour.
Melting Point : >300 Deg.C.
Boiling Point : No data available
Vapour Pressure : No data available
Flash Point : No data available
Specific Gravity (20 Deg.C.) : 1.40
Bulk Density (kg/m3) : 1000 - 2000
Flammability Limits : No data available
Solubility in water : 650g/L
Autoignition Temperature : No data available
Decomposition Point : 120 Deb.C.
Solubility : Soluble in water and glycerol. Slightly soluble in alcohol

Stability and Reactivity
Stability: Stable under ordinary conditions of use and storage.
Hazardous Decomposition Products: Gaseous carbon dioxide.
Hazardous Polymerization: Will not occur.
Incompatibilities: Reacts with acids to form carbon dioxide. Dangerous reaction with monoammonium phosphate or a sodium-potassium alloy.
Conditions to Avoid: Heat, moisture, incompatibles.

Toxicological Information
No information found.

Ecological Information
Environmental Fate: No information found.
Environmental Toxicity: No information found.

Disposal Considerations
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.

Transport Information
Not regulated.

Regulatory Information
Australian Hazchem Code: No information found.
Poison Schedule: No information found.
This MSDS has been prepared according to the hazard criteria of the Controlled Products Regulations (CPR) and the MSDS contains all of the information required by the CPR.

Other Information
NFPA Ratings: Health: 1 Flammability: 0 Reactivity: 0
Label Hazard Warning: As part of good industrial and personal hygiene and safety procedure, avoid all unnecessary exposure to the chemical substance and ensure prompt removal from skin, eyes and clothing.
Label Precautions: None.
Label First Aid: Not applicable.
Product Use: Additives.

Note:The data given here is based on current knowledge and experience. The purpose of this safety data is to describe the products in terms of their safety requirements. The data does not signify any warranty with regard to the products' properties.

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Qinhuangdao Sinochem Imp.& Exp.Co.,Ltd.
11/F,Sinochem Office,
No.119 YanShan St.,Qinhuangdao,
Web: http://www.tradezone.com/tradesites/wyang.html
Telephone: 0086-335-3853877 Attn:Mr.Watson Yang


Last modified: Jan 25, 2010 at 00:48:09 PST