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9005-64-5

Name Tween 20
CAS 9005-64-5
EINECS(EC#) 500-018-3
Molecular Formula C18H34O6
MDL Number MFCD00165986
Molecular Weight 346.46
MOL File 9005-64-5.mol
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Chemical Properties

Appearance Yellow liquid
Melting point  98.9 °C (decomp)
Boiling point  100 °C
density  1.11 g/mL at 20 °C
vapor pressure  <1.4 hPa (20 °C)
FEMA  2915
refractive index  n20/D 1.468(lit.)
Fp  >230 °F
storage temp.  0-6°C
solubility  100 g/L
form  viscous liquid
color  Amber
Specific Gravity 1.090～1.130 (20/20℃)
Odor mild alcohol odor
PH 6-8 (50g/l, H2O, 20℃)
PH Range 7
Stability: Stable. Incompatible with strong oxidizing agents.
biological source synthetic
Odor Type alcoholic
Water Solubility  100 g/L
Hydrophilic-Lipophilic Balance (HLB) 16.7
Uses
polysorbate 20 is a solubilizer, emulsifier, viscosity modifier, and stabilizer of essential oils in water.
EPA Substance Registry System Sorbitan, monododecanoate, poly(oxy-1,2-ethanediyl) derivs.(9005-64-5)
Absorption = 0.025 at 254nm at 0.05% (w/v)
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Safety Data

Hazard Codes  Xi
Risk Statements 
Safety Statements 
WGK Germany  1
RTECS  TR7400000
F  10-23
TSCA  Yes
HS Code  34021300
Safety Profile
Moderately toxic by intravenous route. Mddly toxic by ingestion. A human skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazardous Substances Data 9005-64-5(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 38900 mg/kg

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