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Name	Polyoxyethylene sorbitan monopalmitate	EINECS	N/A
CAS No.	9005-66-7	Density	1.083 g/mL at 25 °C(lit.)
PSA	133.14000	LogP	3.55880
Solubility	100 g/L	Melting Point	0.1 °C
Formula	Unspecified	Boiling Point	797.89°C (rough estimate)
Molecular Weight	338.26472	Flash Point	>230 °F
Transport Information	N/A	Appearance	N/A
Safety	24/25	Risk Codes	N/A
Molecular Structure		Hazard Symbols	N/A
Synonyms	Sorbitan,monopalmitate, polyoxyethylene derivs. (8CI);Crill 7;Crillet 2;Durfax 60;E434;Emsorb 6910;Emulgen TWP 120;Ethoxylated sorbitan monopalmitate;Glycosperse P 20;Lonzest SMP 20;MP 55F;Montanox 40;Nikkol TP 10;NissanNonion PT 221;Polysorbate 40;Rheodol Super TW-P 120;Rheodol TW-P 120;Rheodol TW-P 120V;Sorbimacrogolpalmitate 300;Sorbon T 40;TP 10EX;Tween 16:0;Tween 40;

Polyoxyethylene sorbitan monopalmitate Chemical Properties

The Molecular formula of POLYOXYETHYLENE SORBITAN MONO-PALMITATE(9005-66-7): C₂₂H₄₂O₆.(C2H4O)n
The Molecular Weight of POLYOXYETHYLENE SORBITAN MONO-PALMITATE(9005-66-7):
The Molecular Structure of POLYOXYETHYLENE SORBITAN MONO-PALMITATE(9005-66-7) is:
Density:1.083 g/mL at 25 ^°C(lit.)
Melting point:0.1 ^°C
Solubility in water:100 g/L
refractive index:n20/D 1.47(lit.)
Appearance:Yellow to amber liquid
Synonyms:POLYSORBATE 40;POLYOXYETHYLENE SORBITAN MONOPALMITATE;POLYOXYETHYLENE GLYCOL SORBITAN MONOPALMITATE;POLYOXYETHYLENE (20) SORBITAN MONOPALMITATE;TWEEN NO 40;TWEEN(R) 40;crill7;TWEEN 40

Polyoxyethylene sorbitan monopalmitate Toxicity Data With Reference

ivn-rat LD50:1580 mg/kg

FAONAU Food and Agriculture Organization of United Nations, Report Series. 53A (1974),257.

RTECS#: CAS# 9005-66-7: WG2933000
LD50/LC50: RTECS:
CAS# 9005-66-7: Oral, rat: LD50 = >38400 mg/kg;
Carcinogenicity: Tween® 40 - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.

Polyoxyethylene sorbitan monopalmitate Consensus Reports

Reported in EPA TSCA Inventory.

Polyoxyethylene sorbitan monopalmitate Safety Profile

Moderately toxic by intravenous route. When heated to decomposition it emits acrid smoke and irritating fumes.
Safety Description
S24/25:Avoid contact with skin and eyes.

Polyoxyethylene sorbitan monopalmitate Specification

Chemical Stability: Not available
Conditions to Avoid: Incompatible materials.
Incompatibilities with Other Materials: Strong oxidizing agents.
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide.
Hazardous Polymerization: Will not occur.

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