1. |
Identification of the substance / preparation and the company
Product name: Sodiummetatungstate / Sodiumpolytungstate
Application/Use: For the preparation of aqueous heavy-liquids
Producer/Supplier: TC-Tungsten Compounds
Street: Tannenweg 2
Postal code: 96271 Grub am Forst, Germany.
Contact for technical information:
Contact Person: Dr. Rainer Kamps
Tel.: +49 (0)9560-742
Fax: +49 (0)9560-1707
e-mail: service@heavy-liquid.com
Emergency telephone number round the clock: 0049 (0) 228-19 240
Universitätsklinikum Bonn -Center of Information about contamination- |
|
| |
|
2. |
Hazards Identification
Classification (in accordance with Directive 67/548/EEC)
Xn; R22, Xi; R41, R 52/53
Hazards to human health and the environment
Harmful if swallowed. Risk of serious damage to eyes. Harmful to aquatic organisms. May cause long - term adverse effects in the aquatic environment. |
| |
|
3. |
Composition/Information on ingredients
Chemical characteristics
Sodiummetatungstate: CAS No. CAS No: 12141-67-2 ; CAS No : 12333-13-0
EG #: 412-770-9, Index No. 074-001-00-1
Hazardous components
Sodiummetatungstate, percentage: 100 % |
| |
|
4. |
First - aid measures
General information
Inhalation
After inhalation, take the patient into the fresh air. Symptomatic treatment
Skin contact
After contact with skin, wash immediately with plenty of water.
Eye contact
After contact with the eyes, rinse eyes with water for at least 15 minutes, keeping the lids open. Consult a doctor.
Ingestion
In case of swallowing, drink plenty of water. Induce vomiting. Symptomatic treatment. Consult a doctor. |
| |
5. |
Fire - fighting measures
Suitable extinguishing media
No restriction in fire situation
Special risk due to the substance or the preparation itself, its combustion products or the gas being produced:
In case of fire, tungsten trioxide is formed (solid substance).
Special protective equipment when fighting fires:
Firemen have to wear self-contained breathing apparatus which must be adjusted to the fire situation. |
|
| |
6. |
Measures to be taken in the event of accidental release
Personal precaution
Avoid contact with skin and eyes,
Use the personal protective equipment listed in Chapter 8
(Wear safety glasses, gloves and lab coat ….)
Environmental precaution
Do not empty into drains or waters.
Method for clean up / taking up
Method for cleaning up/taking up: Take up mechanically, avoid dust formation. Fill into labelled, sealable containers. Note German Technical Regulation on Dangerous Substances No. 200/201.
Additional references
Observe general warnings on the handling of chemicals.
|
|
| |
7. |
Handling and storage
Information on safe handling
Avoid contact with skin and eyes.
Use the personal protective equipment listed in Chapter 8.
Information on fire and explosion prevention:
none
Storage / Requirements as to storerooms and containers
It is recommended to use filling and siphoning units which can be sealed in a dust-tight manner.
The Wasserhaushaltsgesetz (Water Resources Management Act), the relevant Landeswassergesetz ( Local Waste Water Act) as well as the Regulations on Plants for Storing, Filling and Transportation of Substances which are Hazardous to Water must be observed.
Information on common storage
Products of Storage Class 13 may be stored in the same section of the warehouse.
Further information on storage conditions
Keep in sealed original containers in a dry place.
Storage Class according to the VCI (Association of the German Chemical Industry): 13 |
|
| |
8. |
Exposure controls / Personal protection
For exposure controls see Chapter 2.
Respiratory protection
While filling the substance into receptacles, wear respiratory masks or use respiratory equipment with
filter type P in accordance with DIN EN 143.
Hand protection
Wear protective gloves, e.g. disposable gloves Cat. III in accordance with EN 374.
Eye protection
Tightly fitting protective goggles (acid-protection goggles).
Body protection
Wear protective clothing.
Other controls (work hygiene)
Do not eat, drink or smoke if you use this substance. Do not let this substance come into contact with food or beverages. |
|
| |
9. |
Physical and chemical properties
Appearance/Form: crystalline powder or granules or aqueous solution
State of aggregation: solid or liquid (aqueous solution)
Colour: solid substance – ranging from white to grey; solution – ranging from colourless to slightly greenish or brownish.
Odour: odourless
Important health, safety and environmental information
pH value: approx. 3 at 4000 g/l water at 20 °C
Melting point: decomposition
Spontaneous flammability: no
Inflammability: no
Explosive properties: not relevant
Ignition temperature: not relevant
Oxidizing properties: no
Boiling point: not applicable for crystals
Boiling point of solution: > 100 °C (depending on the density of the aqueous solution)
Vapour pressure: not relevant
Density: approx. 5.47 g/cm3 at 20 °C
Bulk density: approx. 1570 kg/m3
Solubility in water: > 1000 g/l at 20 °C
Solubility in fat: < 0.7 mg/100 g fat at 37 °C
Partition coefficient n-octanol/water: Log POW = < - 5.2 at 20 °C
Viscosity: not applicable for crystals;
Viscosity of the solution: > 1 mPas (depending on the density of the aqueous solution) |
|
| |
10. |
Stability and reactivity
Conditions to be avoided: none
Substances to be avoided: none known
Hazardous decomposition products: in case of fire, the solid substance tungsten trioxide is formed.
Further information: at room temperature stable product |
|
| |
11. |
Toxicological information
Toxicological tests
Acute toxicity: LD50 oral, rat: 1715 mg/kg
Acute toxicity: LD50 dermal, rat: > 2000 mg/kg
Irritation of the eyes/rabbit: irritant, risk of serious damage to eyes
(method: Directive 84/449/EEC, B.5.).
Irritation of the skin/rabbit (exposure 4 h): non-irritant.
(method: Directive 84/449/EEC, B.4.).
Non-sensitizising
(method: Directive 84/449/EEC, B.6.): Magnusson and Kligman maximization test
Effect after repeated or long-lasting exposure
Subacute toxicity:
NOEL, oral, rat: 150 mg (28-day test)
Mutagenic effect:
Salmonella/microsome test (Ames test): No indication of mutagenic effects.
Micronucleus test: No indication of plastogenic effects.
Laboratory experience
Material is used only as aqueous solution.
Information about substance of content
No further substances > 0.1 % exist. |
|
| |
12. |
Ecological information
Ecology
Aquatic toxicity
96 h LC0 = 320 mg/l (Cyprinus carpio)
96 h LC50 = 420 mg/l (Cyprinus carpio)
Acute toxicity for daphnia:
48 h NOEC : 32 mg/l (Daphnia magna)
48 h EC50 : 83 mg/l (Daphnia magna)
Persistence
No data available
Bioaccumulation potential
No data available
Other dangerous effects
Not known |
|
| |
13. |
Disposal considerations
Material/Formulation
Unused material: reuse if possible. Address manufacturer for this purpose.
Recommendation
May be disposed of in approved landfills provided local regulations are observed.
Waste Code Number in accordance with the AVV (Waste Register Ordinance)
51540
Packaging/Contaminated packaging
Packaging which has not been cleaned is to be handled in the same manner as the substance. |
|
| |
14. |
Transportation information
GGVSee*/IMDG Code: -- UN No.: -- EmS: --
* (Ordinance on Dangerous Goods with respect to Sea Traffic) PG: -- MPO: NO
GGVSE**: Class -- PG: -- RID/ADR: Class -- PG: --
** (Ordinance on Dangerous Goods with respect to Road and Railway Traffic)
Warning sign: Hazard no. -- Substance no. --
ADNR: Class -- PG: -- Cat --
ICAO/IATA - DGR: not restr.
Approved in Germany as expedited freight (in accordance with the GGVSE): yes
Declaration for land shipment: --
Declaration for sea shipment: --
Declaration for shipment by air: --
Other information: No dangerous cargo. Keep separate from foodstuffs and natural stimulants. |
|
| |
15. |
Regulatory information
Labelling in accordance with Directive 67/548/EEC
Information on the warning label
Risk phrases: Harmful
Risk phrases
R 22: Harmful if swallowed.
R 41: Risk of serious damage to eyes.
R 52: Harmful to aquatic organisms.
R 53: May cause long-term adverse effects in the aquatic environment.
Safety phrases
S 2: Keep away from children.
S 22: Do not inhale dust.
S 26: In case of contact with eyes, rinse immediately with plenty of water and seek
medical advice.
S 39: Wear eye/face protection.
S 61: Avoid release to the environment. Refer to special instructions/Safety Data Sheets.
National regulations (German regulation)
TRGS 900 „Atmospheric Threshold Value“
Tungsten compounds, soluble
Threshold: 1 mg/m³; Remark: 1.25
Handling restriction:
Jugendarbeitsschutzgesetz (JArbSchG) (Youth Employment Protection Act) : § 22
Mutterschutzrichtlinienverordnung (MuSchRiV) (Ordinance concerning the Guideline on Maternal
Protection): § 5
Major Accidents Regulation:
not listed in the appendices
Regulation on Flammable Liquids:
not applicable
Technical Instruction on Air Pollution Control:
Item 3.1.3 total dust
Water Pollution Class (WGK): 2 - impairment of water quality
WGK = Classification in accordance with the German Water Resources Act
All other countries
Observe national regulations. |
|
16. |
Other information
Further information regarding the application
Tested for laboratory use only. May exclusively be used by people who have the appropriate technical knowledge.
This material is only to be used for aqueous heavy-liquids. |
|
The data given here is based on current knowledge and experience. The purpose of this Safety Data Sheet is to describe the products in terms of their safety requirements. The data does not signify any warranty with regard to the properties of the product.
