内容标题9

MSDS Number: KWC-030
Effective Date:NOV.16,2004

1. Product Identification
Synonyms : MAGNESIUM SILICOFLUORIDE.
CAS No : 16949-65-8
Molecular Weight : 274.48
Chemical Formula: MgSiF6 . 6H2O

2. Composition/Information on Ingredients

3. Hazards Identification
Magnesium fluorosilicate is toxic by inhalation and if swallowed and is irritating to the eyes and skin.

4. First Aid Measures
INHALATION :In case of fire in the surroundings: all extinguishing agents allowed.
SKIN CONTACT :Remove contaminated clothes. Rinse skin with plenty of water or shower
EYE CONTACT :First rinse with plenty of water for several minutes. then take to a doctor.
INGESTION :Rinse mouth. Refer for medical attention.

5. Fire Fighting Measures
EXTINGUISHING MEDIA :Suitable Apprepriate for surrounding fire Not Suitable -None
COMBUSTION PRODUCTS :May give off irritating or toxic
SPECIAL PRECAUTIONS :Use breathing apparatus

6. Accidental Release Measures
Observe any warning Labels on the container. Take precautions to avoid creationg and breathing dust.
Contain and damp down any spilled material, collect by vacuum or shovel and place into labelled containers for disposal (See Section 13), Neutralise any contaminated area with lime and then rise with water to draim (See Section 12).

7. Handling and Storage
HANDLING PRECAUTIONS: Handle weight this product under conditions of local exhaust ventilation to avoid breathing dust. Avoid swallowing and eye or skin contact.
SRORAGE CONDITIONS: Separated from acids, food and feedstuffs.

8. Exposure Controls/Personal Protection
RESPIRATORY: Personal exposure must be cotrolled to conform with local regulations (See Section 16). Prevent dispersion of dust
HAND: Wear plastic gloves
EYE: Wear face shield
SKIN: Wear plastic apron and wear face shield

9. Physical and Chemical Properties

10. Stability and Reactivity
STABLY (YES/NO): Yes
CONDITIONS TO AVOID None Known MATERIALS TO AVOID: Mixing with strong acids may evolve hydrogen fluoride fumes
HAZADOUS DECOM POSITION PRODUCTS: The substance decomposes on heating producing toxic and corrosive fumes including fluorine. Reacts with concentrated acids producing corrosive hydrogen fluoride

11. Toxicological Information
ACUTE EFFECTS:
Inhalation: On the basis of tests carried out on similar products this substance islikely to be toxic.
Skin contact: Irritant
Eye contact: Irritant
Ingestion: This substance is likely to be toxic if swallowed
CHRONIC EFFECTS:
Regular and repeated contact with the skin may give rise t pustular dermatitis. Prolonged exposure by Inhalation to sublethal levels may give rise to epistaxis (nose bleed).

12. Ecological Information
May be harmful to aquatic organisms ( 96 hr LC50=10-100mg/l for rainbow trout) .May inhibit acivated sludge respiration at levels above 100mg/l.

13. Disposal Considerations
Users should aquaint themselves with local regulations.
Disposal is usually carried out by treatment under controlled conditions at a licensed waste material processor. If burnt, stack gases need to be scrubbed (See Section 5 above).
Aqueous solutions may be neutralised with lime.

14. Transport Information
Proper Shipping Name: Toxic solids, inorganic,.(Magnesium Hexafluorosilicate)
Hazard Class:6.1
Do not transport with foodand feedstuffs
ADR/RID: Item 65oC, Hazard No.60
Symbol: SKULL & CROSSONES
Packing Group:
LATA/DGR Limits:
100kg Passenger
200kg Cargo

15. Regulatory Information
EEC CLASSIFICATION: Classified according to the Directives 67/548/EEC and 88/379/EEC and their various ammendments:
Name: Magnesium Hexafluorosilicate
Warning Symbols: T
Warning Words: TOXIC
Risk Phrases: R23/25: Toxic by inhalation and if swallowed
R21: Harmful in contact with skin
R36/38: Irritating to eyes and skin
R52/53: Harmful to aquatic organisms, may cause long-term avcerse efects in the aquatic environment
Safety Phrases: S26: in case of contact with eyes rinse immdediately with plenty of water and seek medical attention.
S36: Wear suitable protective clothing
S44: If you feel unwell, seek medical attention(show label where possible)
S57: Use appropriate containment to avoid environmental contamination.

16. Other Information
GS: Occupational Exposure Standard for fluorides=2.5mg(F)/m3(8hr TWA)
Occupational Exposure Standard for zirconium compounds =5mg (Zr)/m3(8hr TWA)
DEMARK FINLAND NORWAY & US-ACGH:
Exposure limits for zirconium compounds as mg (Zr)/m3 (8hr TWA)=5
DEMARK FINLAND NORWAY & US-ACGH:
Exposure limits for fluorides as mg (F)/m3 (8hr TWA)=2.5
NORWAY: Exposure limits for fluorides as mg (F)/m3(8hr TWA)=0.6
SWEDEN: Exposure limits for fluorides as mg (F)/m3(8hr TWA)=2.0
Reference: (1) BIBRA PROJECT NO.3.605,MAY 1986
(2) Novye Dannye Po Toksikologii Redkikh Metally Soedinemii
(3) WRC Report No. 6545 March 1978
(4) WRC Report No.629 S , July 1977.

Disclaimer:
Hebei Kingway Chemical Industry Co., Ltd provides the information contained herein in good faith but makes no representation as to its comprehensiveness or accuracy. This document is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this product.Individuals receiving the information must exercise their independent judgment in determining its appropriateness for a particular purpose. HeBei Kingway Chemical Industry Co., Ltd. makes no representations or warranties, either express or implied, including without limitation any warranties of merchantability, fitness for a particular purpose with respect to the information set forth herein or the product to which the information refers. accordingly, HeBei Kingway Chemical Industry Co., Ltd. will not be responsible for damages resulting from use of or reliance upon this information.

Prepared by: Foreign Trade Dept.
Phone Number: ++86 312-5861066 ++86 312-5860270
Fax Number : ++86 312-5861106

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