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MSDS Material Safety Data Sheet
CAS

7778-18-9

File Name: henryscheinbrand_com---900-1850.asp
MATERIAL SAFETY DATA SHEET (According to 91/155 EC)
Products: Gibraltar Articulation synthetic, Stone synthetic
data for printing: 01.11.04 reviewd on: 07.08.00 page 1/3



1. Identification of the substance / preparation and company / undertaking
Product information:
Product name of synthetic articulation plaster and model hard stone:
Gibraltar Articulation synthetic, Stone synthetic

Manufacturer/supplier:
Henry schein UK Holdings Ltd
Gillingham
ME8 0SB
01634 878750

Henry Schein Inc
Melville Ny 11747 USA

Emergency Tel. No. US 001 703 527 3887

Tel. +49 (0) 53 21- 5 06 24, 5 06 25
Fax. +49 (0) 53 21 - 5 08 81



2. Composition / information on ingredients
Chemical properties (component substances): Calcium sulphate hemihydrate
CaSO4 . x H2O ( x = 1/2 ) CAS-No. 7778-18-9

Dangerous contents: none
Additional guidelines: Calcium sulphate has not to be labelled according to EU-directives
and the regulation on hazardous substances (Gefahrstoffverordnung, Germany)

CAS-No. chemical formula content limit concentration in the air
MAK value* 6 mg / m3
7778-18-9 CaSO4 > 99 %
*maximum admissible concentrations at the workplace ( TRGS 900 / Germany )


3. Hazards identification
Description of dangers: not applicable
Special guidelines concerning dangers to humans and the environment: none


4. First-aid measures
No particular measures required.
If substance has been swallowed: drink plenty of water and consult doctor.
If eye contact: Wash out with plenty of water and consult doctor


5.Fire-fighting measures
Suitable quenching agents: All suitable quenching agents, product itself is not combustible.
Unsuitable quenching agents: none
Particular danger caused by material, its combustion products or gases produced: none
Special protective equipment:none
MATERIAL SAFETY DATA SHEET (According to 91/155 EC)
Products: Gibraltar Articulation synthetic, Stone synthetic
data for printing: 01.11.04 reviewd on: 07.08.00 page 2/3




6. Accidental release measures
Procedure for cleaning / absorption: absorb mechanically, take up in a dry state



7. Handling and storage
Handling: No particular measures required if used correctly.
Storage: Store in a dry place. Storage class VCI 13 / non-combustible solid substance


8. Exposure controls/personal protection
Components with work-place related limits to be monitored
CAS-No. chemical formula limit (TRGS 900, Germany)
6 mg/m3
7778-18-9 CaSO4 MAK value

Personal protective equipment: Measures for general protection and hygiene
Respiratory protection: Maintain the general maximum admissible concentration in the work
place (6 mg/m3). In case of strong dust emission wear respiratory filters P1 or FFP1


9. Physical and chemical properties
Form: Powder Colour: white or coloured
Odour: odourless Change of state: not applicable

Thermal decomposition of gypsum:
into CaSO4 and H2O above approx. 140oC (413 K)
and SO3 above approx. 1000oC (1273 K)
into CaO

Flammability: not applicable Ignition temperature: not applicable
Spontaneous ignition: not applicable Danger of explosion: not applicable
Oxidizing properties: none Vapour pressure: not applicable
3
CaSO4. x H2O ( x =1/2 ) /
Density: approx. 2,6 g/cm
Solubility: approx. 2 g/l
pH value: 5鈥?7
Reamark: Product is not combustible.


10. Stability and reactivity
Conditions to be avoided: no dangerous reactions are known to occur
Substances to be avoided: none known
Dangerous products of decomposition: none


11. Toxicological information
Acute toxicity: not toxic


12. Ecological information
To date product has not been known to cause detrimental eco-toxic effects.
MATERIAL SAFETY DATA SHEET (According to 91/155 EC)
Products: Gibraltar Articulation synthetic, Stone synthetic
data for printing: 01.11.04 reviewd on: 07.08.00 page 3/3




13. Disposal considerations
Product Dentalhartgips: waste disposal No.: 101206 (European Waste Catalogue)
Contaminated packaging: Contaminated containers: contact manufacturer. Contaminated bags
or other packaging should ideally be emptied; it then can be recycled after having been
decontaminated.


14. Transport information
Not regulated by national or international transportation regulations.


15. Regulatory information
Labelling according to EU-directives: Calcium sulphate is not to be labelled according to
directive 67/ 548 EEC (adapted to technical progress by directive 98/98/EC). Preparation is not to
be labelled according to directive 88/379/EEC (adapted to technical progress by directive
93/18/EEC).

National regulations
Germany:
Calcium sulphate is not to be labelled by the regulation on hazardous substances (GefStoffV).
MAK value = 6 mg/m3
TRGS 900: CaSO4

Calcium sulphate: Water pollution class (WGK) = 1
Code 325, listed substance VwVwS, 17.05.1999 (BAnz. 98a, 29.05.1999)


16. Other information
All informations based on our last knowlegde and discribed the product only with regard
to the safety requests.

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