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290890

Dibutyltin diacetate

technical grade

Synonym(s):

Diacetoxydibutyltin

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About This Item

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

technical grade

Quality Segment

200

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

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.

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Danger

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

wgk

WGK 3

flash_point_f

302.9 °F - Pensky-Martens closed cup

flash_point_c

150.5 °C - Pensky-Martens closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

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