SDS

Safety Data Sheet
Material: 60002712
WACKER® AK 350
SILICONE FLUID
Version: 2.2 (US) Date of print: 07/12/2017 Date of last alteration: 11/07/2016
Page: 4/9
9.
Physical and chemical properties
9.1
Appearance
Physical state / form ................................................ :
liquid
Colour ..................................................................... :
colourless
Odour ...................................................................... :
odourless
9.2
Safety parameters
Property:
Value:
Method:
Melting point / melting range ................................... :
-50 - -35 °C (-58 - -31 °F)
Boiling point / boiling range ..................................... :
not determined
Flash point............................................................... :
260 °C (500 °F)
(ISO 2719)
Flash point............................................................... :
> 300 °C (> 572 °F)
(ISO 2592)
Ignition temperature ................................................ :
410 °C (770 °F)
(EN 14522)
Lower explosion limit (LEL) ..................................... :
not applicable
Upper explosion limit (UEL)..................................... :
not applicable
Vapour pressure ...................................................... :
not applicable
Density .................................................................... :
approx. 0.97 g/cm³ at 25 °C (77 °F)
(DIN 51757)
Water solubility / miscibility...................................... :
virtually insoluble at 20 °C (68 °F)
pH-Value ................................................................. :
approx. 7
Viscosity (dynamic) ................................................. :
324 - 356 mPa.s at 25 °C (77 °F)
(DIN 53019)
Viscosity (kinematic) ............................................... :
approx. 350 mm²/s at 25 °C (77 °F)
(DIN 53019)
9.3
Further information
Odour limit .............................................................. :
no data available
Thermal decomposition .......................................... :
Decomposition begins at > 250 °C (> 482 °F)
10.
Stability and reactivity
10.1
General information:
If stored and handled in accordance with standard industrial practices no hazardous reactions are known.
10.2
Conditions to avoid
none known
10.3
Materials to avoid
none known
10.4
Hazardous decomposition products
If stored and handled properly: none known . Measurements have shown the formation of small amounts of formaldehyde at
temperatures above about 150 °C (302 °F) through oxidation.
10.5
Further information:
Hazardous polymerization cannot occur.
11.
Toxicological information
11.1
Information on toxicological effects
11.1.1
Acute toxicity
Product details:
Route of exposure
Result/Effect
Species/Test system
Source
oral
LD
50
: > 5000 mg/kg
Neither mortality nor clinical signs of toxicity were
observed with the given dose.
rat
literature
(Polydimethylsiloxan
e)