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Safety Information

S3252

Sigma-Aldrich

Tin(II) 2-ethylhexanoate

92.5-100.0%

Synonym(s):

2-Ethylhexanoic acid tin(II) salt, Stannous 2-ethylhexanoate, Stannous octoate

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About This Item

Linear Formula:
[CH3(CH2)3CH(C2H5)CO2]2Sn
CAS Number:
301-10-0
Molecular Weight:
405.12
EC Number:
206-108-6
MDL number:
MFCD00002676
UNSPSC Code:
12161600
PubChem Substance ID:
57654612
NACRES:
NA.22

Quality Level

200

Assay

92.5-100.0%

reaction suitability

core: tin
reagent type: catalyst
reaction type: Ring-Opening Polymerization

refractive index

n20/D 1.493 (lit.)

density

1.251 g/mL at 25 °C (lit.)

cation traces

Na: ≤0.5%

SMILES string

CCCCC(CC)C(=O)O[SnH2]OC(=O)C(CC)CCCC

InChI

1S/2C8H16O2.Sn/c2*1-3-5-6-7(4-2)8(9)10;/h2*7H,3-6H2,1-2H3,(H,9,10);/q;;+2/p-2

InChI key

KSBAEPSJVUENNK-UHFFFAOYSA-L

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Application

A catalyst for polylactide polymerization.
Tin(II) 2-ethylhexanoate is commonly used as a catalyst for the ring-opening polymerization of cyclic diesters such as L-lactide and glycolide to form high-molecular-weight polymers.

Signal Word

Danger

Hazard Statements

H317,H318,H360D,H412

Hazard Classifications

Aquatic Chronic 3 - Eye Dam. 1 - Repr. 1B - Skin Sens. 1

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 2

Flash Point(F)

278.6 °F - closed cup

Flash Point(C)

137 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品

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Certificates of Analysis (COA)

Lot/Batch Number
0000389537
0000376190
0000341707
0000341712
0000343120

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. What is Product S3252, Tin(II) 2-ethylhexanoate, miscible with?

    We would expect this product to be miscible with chloroform at about 50 mg/mL.

  4. What can Product S3252, Tin(II) 2-ethylhexanoate, be used for?

    Tin (II) ethylhexanoate has been shown to catalyze the ring-opening polymerization of diesters to form such biodegradable polymers as poly(L-lactide) and polyglycolide. Additional examples of how this catalyst can be used can be found on the datasheets; there are links to these documents on the product detail pages for 686603, 686581 and 686573 on our website, www.sigmaaldrich.com.

  5. What is the expected shelf life of Product S3252, Tin(II) 2-ethylhexanoate?

    Per the specification sheet and certificate of analysis, this product is currently assigned a recommended retest period of two years.

  6. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  7. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  8. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

Synthesis of poly (L-lactide) and polyglycolide by ring-opening polymerization.
Kaihara S
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With the aim to develop biomaterials for temporary medical devices, a series of novel reducible and/or degradable elastomers has been prepared from PLA-b-PEG-b-PLA copolymers photo-crosslinked with diallyl sulfide or pentaerythritol tetrakis(3-mercaptopropionate). Thermal and mechanical properties, including elastic limit and Young
Solmaz Saghebasl et al.
Journal of biomaterials science. Polymer edition, 29(10), 1185-1206 (2018-03-02)
Biodegradable thermosensitive hydrogel scaffolds based on novel three-block PCL-PEG-PCL and penta block PNIPAAm-PCL-PEG-PCL-PNIPAAm copolymers blended with gelatin were prepared and examined on functional behavior of chondrocytes. In this work, we compared two different thermosensitive hydrogel scaffolds (PNIPAAm-PCL-PEG-PCL-PNIPAAm)/Gelatin and (PCL-PEG-PCL)/Gelatin prepared
Ali Eatemadi et al.
Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie, 84, 1915-1922 (2016-11-17)
Nano-therapy exhibit the potential of revolutionizing cancer therapy. This field introduces nanovectors/nanocarriers for anticancer drugs targeted delivery, and also finds application in imaging. Chrysin, a natural flavonoid, was recently studied as having important biological roles in chemical defenses, nitrogen fixation
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Amphotericin B (AmB) is a broad spectrum of antifungal drug used to treat antifungal diseases. However, due to the high toxicity of AmB, treated patients may suffer the risk of side effects, such as renal failure. Nanoencapsulation strategies have been
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