CAS No.2155-70-6,2-Propenoic acid,2-methyl-, tributylstannyl ester Suppliers

CAS Number:
2155-70-6
Name:
2-Propenoic acid,2-methyl-, tributylstannyl ester
Formula:
C16H32 O2 Sn
Molecular Structure:
Synonyms:
Stannane,tributyl(methacryloyloxy)- (8CI); Stannane,tributyl[(2-methyl-1-oxo-2-propenyl)oxy]- (9CI); Tin, tributyl(methacryloyloxy)-(7CI); Tributyltin methacrylate (6CI); Methacrylic acid, tributylstannyl deriv.(8CI); (Methacryloyloxy)tributylstannane; NSC 221239; Tin tributylmethacrylate;Tributyl(methacryloxy)stannane; Tributylmethacryloyloxystannane; Tributylstannylmethacrylate
Molecular Weight:
375.17
Density:
g/cm³
Melting Point:
17-20°C
Boiling Point:
°Cat760mmHg
Flash Point:
°C
Hazard Symbols:
A poison by ingestion and intravenous routes. TWA 0.1 mg(Sn)/m³; STEL 0.2 mg(Sn)/m³ (skin).
Safety:
Poison by ingestion and intravenous routes. When heated to decomposition it emits acrid smoke and irritating fumes. See also TIN COMPOUNDS.
Analytical Methods:

For occupational chemical analysis use NIOSH: Organotin Compounds 5504.Details

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Tributyltin methacrylate: Tributyltin methacrylate. Kushlefsky, Bernard George (M and T Chemicals, Inc., USA). Ger. Offen. DE 2257825 30 Jun 1977, 17 pp. (German). (Germany). CODEN: GWXXBX. CLASS: IC: C07F007-22. APPLICATION: DE 75-2557825 22 Dec 1975. DOCUMENT TYPE: Patent CA Section: 35 (Synthetic High Polymers) CH2:CMeCO2SnBu3 [2155-70-6] is obtained in >90% yield if the mixt. obtained by reaction of CH2:CMeCO2H [79-41-4] with (Bu3Sn)2O is stirred with sufficient solid dehydrating agent, e.g. anhyd. MgSO4 and CaSO4, to remove all H2O formed in the reaction and is subsequently sepd. from the dehydrating agent. This method is superior to that in which CH2:CMeCO2H reacts will (Bu3Sn)2O in heptane, H2O is continously removed by azeotropic vacuum distn., and polymn. occurs when the product is finally sepd. from heptane by distn.

Enthalpy of polymerization of tributylstannyl methacrylate: Enthalpy of polymerization of tributylstannyl methacrylate. Lebedev, N. K.; Lebedev, B. V.; Bryukhanov, A. N. (Nauchno-Issled. Inst. Khim., Gorkiy, USSR). Fiz.-Khim. Osn. Sint. Pererab. Polim., 1, 27-9 (Russian) 1976. CODEN: FOSPDL. DOCUMENT TYPE: Journal CA Section: 35 (Synthetic High Polymers) The heat of polymn. of tributylstannyl methacrylate [2155-70-6] at 350 K and 325 kPa has 60.5 .+-. 1.2 kJ mole-1. The expts. were performed in an isothermal calorimeter, and Bz2O2 and azodiisobutyronitrile were used as the polymn. initiators.

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