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Merck
CN

STS0203

ECO TWEEN® 65

greener alternative

Synonym(s):

TWEEN® 65, Polyoxyethylenesorbitan Tristearate

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About This Item

CAS Number:
9005-71-4
MDL number:
MFCD00165348
UNSPSC Code:
12161900
NACRES:
NA.28

Key Documents

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description

non-ionic

Quality Level

200

form

liquid (may appear solid at room temperature )

composition

Stearic acid, ≥40% (balance primarily palmitic acid)

greener alternative product characteristics

Use of Renewable Feedstocks
Design for Degradation
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

HLB

10.5

greener alternative category

, Aligned

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General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Green Chemistry. This product is a biobased surfactant and is aligned with the 7th principle of Green Chemistry "Use of Renewable Feedstocks" and the 10th principle "Design for Degradation".

TWEEN 65 is a fatty acid polyoxyethylene ester of sorbitan.

Application

TWEEN 65 has been used in a study as a carbon source for the reductive dechlorination of hexachlorobenzene in a mixed, methanogenic culture. It has also been used in a study to investigate its ability to stimulate growth of the hypocotyl of Amaranthus caudatus L.

Features and Benefits

  • 100 % Renewable
  • 100 % Bio-based
  • Certified to the USDA BioPreferred Program
  • Lower carbon footprint than petrochemical-based versions

Legal Information

TWEEN is a registered trademark of Croda International PLC

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

300.2 °F - closed cup

Flash Point(C)

149.00 °C - closed cup

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
MKCP8848

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D H Yeh et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 52(1-2), 343-349 (2005-09-27)
Three structurally-related, nonionic, polysorbate surfactants (Tween 60, 61, and 65) were used as the sole carbon source to sustain the microbial, sequential reductive dechlorination of hexachlorobenzene (HCB) in a mixed, methanogenic culture derived from a contaminated estuarine sediment. The surfactants
Tween surfactants stimulate growth of Amaranthus Seedlings
Knypl, J.
Zeitschrift fur Pflanzenphysiologie, 81, 147-147 (1977)
Study on thermal induced phase inversion of concentratedO/W emulsions stabilized by various tween emulsifiers
Dokic , P. and P. Sherman
Coll. Polymer Sci., 258, 1159-1159 (1980)
Rafaela C Sartore et al.
PloS one, 6(6), e20667-e20667 (2011-06-16)
The existence of loss and gain of chromosomes, known as aneuploidy, has been previously described within the central nervous system. During development, at least one-third of neural progenitor cells (NPCs) are aneuploid. Notably, aneuploid NPCs may survive and functionally integrate

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