2,2-Dibutyl-1,3,2-dioxastannepine-4,7-dione

Basic Information

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CAS Number

78-04-6

Molecular Formula

C12H20O4Sn

Molecular Weight

346.99 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Surfactants Anionic Surfactants

Basic Physical Properties

Melting Point

135-140 ºC

Boiling Point

260°C at 760 mmHg

Density

1,318 g/cm3

Flash Point

204°C

Refractive Index

1.502

Vapor Pressure

0.0±1.1 mmHg at 25°C

SMILES

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CCCC[Sn]1(OC(=O)C=CC(=O)O1)CCCC

InChI

InChI=1S/C4H4O4.2C4H9.Sn/c5-3(6)1-2-4(7)8;2*1-3-4-2;/h1-2H,(H,5,6)(H,7,8);2*1,3-4H2,2H3;/q;;;+2/p-2/b2-1-;;;

InChIKey

ZBBLRPRYYSJUCZ-GRHBHMESSA-L

LogP

2.6850000000000005

Topological Polar Surface Area

52.60000000000001 Å²

Hydrogen Bond Donor/Acceptor

0 / 4

Complexity

282

Safety Information

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GHS Hazard Pictograms

H301

H311

H315

H319

H330

H335

H400

Hazard Statement

H301 Toxic if swallowed
Acute toxicity, oral

H311 Toxic in contact with skin
Acute toxicity, dermal

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H330 Fatal if inhaled
Acute toxicity, inhalation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

H400 Very toxic to aquatic life
Hazardous to the aquatic environment, acute hazard

Hazard Class

Class 6.1(b) Class 6.1(b)

Sensitiveness

Sensitive to humidity

Synonyms & References

English

(C12-H20-O4-Sn)x-
Advastab T 116J
Dibutyl[(maleoyl)dioxy] tin
KS 100B
53507-04-3
KS 1B
2,2-dibutyl-1,3,2-dioxastannepine-4,7-dione
Dibutyltin maleate, 95%
CS-W009408
AKOS015910084
78-04-6
(Z)-2,2-dibutyl-1,3,2-dioxastannepine-4,7-dione
EC 201-077-5
A839318
Di-n-butyl(maleate)tin
MFCD00014120
DTXSID6029599
NCGC00164182-01
Fascat 4213
1,3,2-Dioxastannepin-4,7-dione, 2,2-dibutyl-
DBTM
di-Butyl tin maleate
Dibutyltin Maleate
Di-n-butyltin maleate
Dibutyltin Maleate (so called)[for PVC stabilizer]
bt31
dibutyltin maleinate ester
Di-n-butylzinnmaleinat
kk3206
ks4b
ma300a

MDL Number

MFCD00014120

FAQ

What are the physical and chemical properties of 2,2-Dibutyl-1,3,2-dioxastannepine-4,7-dione (CAS: 78-04-6)?

2,2-Dibutyl-1,3,2-dioxastannepine-4,7-dione is a white crystalline solid with a molecular weight of approximately 322.3 g/mol. Its solubility in water is low, typically less than 1 g/L. It is known for its high reactivity, particularly in organotin chemistry. This compound is stable but should be handled under dry conditions to avoid hydrolysis.

How is 2,2-Dibutyl-1,3,2-dioxastannepine-4,7-dione (CAS: 78-04-6) typically synthesized?

2,2-Dibutyl-1,3,2-dioxastannepine-4,7-dione can be synthesized through organotin chemistry using dibutyltin dichloride and 2,2-dimethyl-1,3,2-dioxaphospholane-4,7-dione as reactants. The reaction is typically performed under anhydrous conditions to minimize side reactions. The yield is usually good, around 85-90%, and the product is isolated by filtration and recrystallization.

What industries use 2,2-Dibutyl-1,3,2-dioxastannepine-4,7-dione (CAS: 78-04-6)?

2,2-Dibutyl-1,3,2-dioxastannepine-4,7-dione is primarily used in the pharmaceutical and polymer industries due to its organotin nature. It serves as a key intermediate in the synthesis of various pharmaceuticals and as a stabilizer in polymer applications. This compound is also explored for its potential in sensor technology and semiconductor manufacturing.

What precautions should be taken when handling 2,2-Dibutyl-1,3,2-dioxastannepine-4,7-dione (CAS: 78-04-6)?

When handling 2,2-Dibutyl-1,3,2-dioxastannepine-4,7-dione, it is essential to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Work should be conducted in a well-ventilated area or under a fume hood to minimize exposure. Spills should be cleaned up immediately using appropriate absorbents, and the area should be ventilated. Refer to the Safety Data Sheet (SDS) for detailed emergency procedures and handling guidelines.