290890

Dibutyltin diacetate

technical grade

• Synonym(s): Diacetoxydibutyltin
• Linear Formula: (CH₃CH₂CH₂CH₂)₂Sn(OCOCH₃)₂
• CAS Number: 1067-33-0
• Molecular Weight: 351.03
• Beilstein: 4136035
• EC Number: 213-928-8
• MDL number: MFCD00008697
• UNSPSC Code: 12352103
• PubChem Substance ID: 24857495
• NACRES: NA.22

Properties

• grade: technical grade
• vapor density: 12 (vs air)
• vapor pressure: 1.3 mmHg ( 25 °C)
• refractive index: n20/D 1.471 (lit.)
• bp: 142-145 °C/10 mmHg (lit.)
• mp: 7-10 °C (lit.)
• density: 1.32 g/mL at 25 °C (lit.)
• SMILES string: CCCC[Sn](CCCC)(OC(C)=O)OC(C)=O
• InChI: 1S/2C4H9.2C2H4O2.Sn/c2*1-3-4-2;2*1-2(3)4;/h2*1,3-4H2,2H3;2*1H3,(H,3,4);/q;;;;+2/p-2
• InChI key: JJLKTTCRRLHVGL-UHFFFAOYSA-L

Description

General description

Dibutyltin diacetate is an organotin compound that is commonly used as a catalyst in organic synthesis.

Application

Dibutyltin diacetate can be used as a catalyst to synthesize:

• Wittenberger tetrazole derivatives by reacting with various nitriles in the presence of trimethylsilyl azide.
• Carbamate derivatives from various isocyanates and alcohols in the presence of dichloromethane as solvent.
• Urea derivatives from aryl isocyanates and various amines in the presence of 4-methylmorpholine.

Safety Information

• Pictograms: GHS08,GHS05,GHS07,GHS09
• Signal Word: Danger
• Hazard Statements: H314,H317,H341,H360FD,H370,H372,H410
• Precautionary Statements: P202 - P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Muta. 2 - Repr. 1B - Skin Corr. 1B - Skin Sens. 1 - STOT RE 1 - STOT SE 1 Oral
• Target Organs: thymus gland, thymus gland,Immune system
• Storage Class Code: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 3
• Flash Point(F): 302.9 °F - Pensky-Martens closed cup
• Flash Point(C): 150.5 °C - Pensky-Martens closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves