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Description
Catalogue Number	822184

Applications
Application	Tween® 20 for synthesis. CAS 9005-64-5, pH 6 – 8 (50 g/l, H₂O, 20 °C).

Physicochemical Information
Boiling point	>100 °C
Density	1.1 g/cm3 (25 °C)
Flash point	275 °C
Melting Point	98.9 °C
pH value	6 – 8 (50 g/l, H₂O, 20 °C)
Vapor pressure	<1.4 hPa (20 °C)
Solubility	<0.2 mg/l soluble

Toxicological Information
LD 50 oral	LD50 Rat 38900 mg/kg

Safety Information according to GHS
RTECS	TR7400000
Storage class	10 – 13 Other liquids and solids
WGK	WGK 1 slightly hazardous to water
Disposal	3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

Storage and Shipping Information
Storage	Store below +30°C.

Specifications
Color according to color reference solution Ph.Eur.	not more intensely colored than Y2
Density (d 20 °C/ 4 °C)	1.095 – 1.105
Hydroxyl value	96 – 108
Saponification value	40 – 50
Identity (IR)	passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Merck 822184 0500 Tween 20 For Synthesis 500 ML.