Certifications 2

SDS No.: 340209 V001.0
Metylan Direct
Page 5 of 9
[SILICA, AMORPHOUS, TOTAL
INHALABLE DUST]
Silicon dioxide
112926-00-8
[SILICA, AMORPHOUS, RESPIRABLE
DUST]
2,4
Time Weighted Average
(TWA):
IR_OEL
Biological Exposure Indices:
8.2. Exposure controls:
Respiratory protection:
In case of dust formation, we recommend wearing of appropriate respiratory protection equipment with particle filter P (EN
14387).
This recommendation should be matched to local conditions.
Hand protection:
Not needed.
Eye protection:
Not needed.
SECTION 9: Physical and chemical properties
9.1. Information on basic physical and chemical properties
Appearance
powder
fine
white
Odor
neutral
Odour threshold
No data available / Not applicable
pH
(20 °C (68 °F))
8,3 - 9,0
Melting point
No data available / Not applicable
Solidification temperature
No data available / Not applicable
Initial boiling point
No data available / Not applicable
Flash point
No data available / Not applicable
Evaporation rate
No data available / Not applicable
Flammability
No data available / Not applicable
Explosive limits
No data available / Not applicable
Vapour pressure
No data available / Not applicable
Relative vapour density:
No data available / Not applicable
Density
No data available / Not applicable
Bulk density
490 - 560 g/l
Solubility
No data available / Not applicable
Solubility (qualitative)
(23 °C (73.4 °F); Solvent: Water)
Soluble
Partition coefficient: n-octanol/water
No data available / Not applicable
Auto-ignition temperature
No data available / Not applicable
Decomposition temperature
No data available / Not applicable
Viscosity
(Brookfield; 20 °C (68 °F); Solvent: Water 1 :
20 ; Swell time: 30 min)
10.000 - 15.000 mPa.s
Viscosity (kinematic)
No data available / Not applicable
Explosive properties
No data available / Not applicable
Oxidising properties
No data available / Not applicable
9.2. Other information
No data available / Not applicable