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9005-66-7

Name Polyoxyethylene sorbitan monopalmitate
CAS 9005-66-7
Molecular Formula C22H42O6.(C2H4O)n
MDL Number MFCD00165345
Molecular Weight 338.265
MOL File 9005-66-7.mol
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Chemical Properties

Appearance Yellow to amber liquid
Melting point  0.1 °C
Boiling point  797.89°C (rough estimate)
density  1.083 g/mL at 25 °C(lit.)
refractive index  n20/D 1.47(lit.)
Fp  >230 °F
storage temp.  Store at RT.
solubility  Miscible with water, with anhydrous ethanol, with ethyl acetate and with methanol, practically insoluble in fatty oils and in liquid paraffin.
form  viscous liquid
color  Light yellow to Yellow to Orange
Specific Gravity 1.090 (25/4℃)
Water Solubility  100 g/L
Hydrophilic-Lipophilic Balance (HLB) 15.6
Uses
polysorbate 40 is an emulsifier and stabilizer of essential oils in water. It is also a detergent and employed in a variety of cleansing and moisturizing preparations.
EPA Substance Registry System Sorbitan, monohexadecanoate, poly(oxy-1,2-ethanediyl) derivs.(9005-66-7)

Safety Data

Safety Statements 
WGK Germany  1
RTECS  WG2933000
TSCA  Yes
HS Code  34021300
Hazardous Substances Data 9005-66-7(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: > 38400 mg/kg

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