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15546-11-9

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Basic Information
CAS No.: 15546-11-9
Name: DI-N-BUTYLBIS(METHYLMALEATE)TIN
Molecular Structure:
Molecular Structure of 15546-11-9 (DI-N-BUTYLBIS(METHYLMALEATE)TIN)
Formula: C18H28 O8 Sn
Molecular Weight: 491.15
Synonyms: 2,7,9-Trioxa-8-stannatrideca-4,11-dien-13-oicacid, 8,8-dibutyl-3,6,10-trioxo-, methyl ester, (Z,Z)- (9CI); Stannane,dibutylbis[(3-carboxyacryloyl)oxy]-, dimethyl ester, (Z,Z)- (8CI); Maleic acid,monomethyl ester, dibutylstannylene deriv. (8CI); Dibutyltin bis(methylmaleate); Dibutyltin bis(monomethyl maleate); Dibutyltin methyl maleate; SCAT4L; Stan-Guard 156; Tinstab BM 270
Density: g/cm3
Boiling Point: °Cat760mmHg
Flash Point: °C
Hazard Symbols: A poison by ingestion. TWA 0.1 mg(Sn)/m3; STEL 0.2 mg(Sn)/m3 (skin).
Risk Codes: 20/21/22
Safety: Poison by ingestion. See also TIN COMPOUNDS. When heated to decomposition it emits acrid smoke and irritating fumes.

Analytical Methods:

   

For occupational chemical analysis use NIOSH: Organotin Compounds 5504.

PSA: 105.20000
LogP: 2.57360
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Chemistry

IUPAC Name: 1-O-[dibutyl-[(Z)-4-methoxy-4-oxobut-2-enoyl]oxystannyl] 4-O-methyl (Z)-but-2-enedioate
Synonyms: 2,7,9-Trioxa-8-stannatrideca-4,11-dien-13-oic acid, 8,8-dibutyl-3,6,10-trioxo-, methyl ester, (Z,Z)- ; 5,7,12-Trioxa-6-stannatrideca-2,9-dienoic acid, 6,6-dibutyl-4,8,11-trioxo-, methyl ester ; Dibutyltin bis(methyl maleate) ; Dibutyltin bis(monomethyl maleate) ; Dibutyltin methyl maleate ; Di-N-butyltin bis(methyl maleate) ; Di-N-butylzinn-dimonomethylmaleinat [German]
CAS NO: 15546-11-9
Molecular Formula of bis(Methoxymaleoyloxy)dibutyl stannane (CAS NO.15546-11-9) : C18H28O8Sn
Molecular Weight of bis(Methoxymaleoyloxy)dibutyl stannane (CAS NO.15546-11-9): 491.12
Molecular Structure of bis(Methoxymaleoyloxy)dibutyl stannane (CAS NO.15546-11-9) :
EINECS: 239-594-3
Mol File: 15546-11-9.mol
Flash Point: 232.5 °C
Enthalpy of Vaporization: 72.16 kJ/mol
Boiling Point: 460.8 °C at 760 mmHg
Vapour Pressure: 1.13E-08 mmHg at 25°C

Toxicity Data With Reference

1.    

orl-rat LD50:62 mg/kg

     TRIPA7    Tin Research Institute, Publication .(The Institute,Middlesex, England.: )1973,1.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Poison by ingestion. See also TIN COMPOUNDS. When heated to decomposition it emits acrid smoke and irritating fumes. 
Risk Statements 20/21/22 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements 20
S20:When using, do not eat or drink.

Standards and Recommendations

OSHA PEL: TWA 0.1 mg(Sn)/m3 (skin)
ACGIH TLV: TWA 0.1 mg(Sn)/m3; STEL 0.2 mg(Sn)/m3 (skin).
NIOSH REL: (Organotin Compounds) TWA 0.1 mg(Sn)/m3

Analytical Methods

For occupational chemical analysis use NIOSH: Organotin Compounds 5504.