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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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100 G
$94.70
250 G
$179.00
1 KG
$516.00

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100 G
$94.70
250 G
$179.00
1 KG
$516.00

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

$94.70

In StockDetails

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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.[1]

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

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Certificates of Analysis (COA)

Lot/Batch Number
0000389537
0000376190
0000343120
0000376190
0000326921

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Synthesis of poly (L-lactide) and polyglycolide by ring-opening polymerization.
Kaihara S
Nature Protocols, 2(11), 2767-2767 (2007)
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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
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The thermoresponsive amphiphilic block copolymer poly(d,l-lactic acid-co-glycolic acid)-block-poly(ethylene glycol)-block-poly(d,l-lactic acid-co-glycolic acid) (PLGA-PEGn -PLGA), which exhibits a reversible temperature-induced sol-gel transition at higher polymer concentrations in aqueous solution has attached a great deal of interest because of its potential in biomedical
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Questions

1–6 of 6 Questions  

  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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

    1 answer

    1. 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 product datasheets.

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

    1 answer

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

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

    1 answer

    1. 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.

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

    1 answer

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

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