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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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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

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

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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Synthesis of poly (L-lactide) and polyglycolide by ring-opening polymerization.
Kaihara S
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