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8.22185

Sigma-Aldrich

TWEEN® 40

for synthesis

Synonym(s):

Polyoxyethylene sorbitan monopalmitate

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About This Item

CAS Number:
9005-66-7
MDL number:
MFCD00165345
UNSPSC Code:
12352104
NACRES:
NA.22

Quality Level

200

form

liquid

potency

>38400 mg/kg LD50, oral (Rat)

bp

>100 °C

transition temp

flash point >149 °C

density

1.09 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C26H50O10/c1-2-3-4-5-6-7-8-9-10-11-24(30)34-19-18-31-20-22(32-15-12-27)26-25(35-17-14-29)23(21-36-26)33-16-13-28/h22-23,25-29H,2-21H2,1H3

InChI key

HMFKFHLTUCJZJO-UHFFFAOYSA-N

Analysis Note

Hydroxyl value: 89 - 105
Saponification value: 41 - 52
Acid value: ≤ 3
Density (d 20 °C/ 4 °C): 1.080 - 1.095
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Legal Information

TWEEN is a registered trademark of Croda International PLC

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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