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8.03539

Sigma-Aldrich

Dibutyltin oxide

for synthesis

Synonym(s):

Dibutyltin oxide, Dibutyloxostannane

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About This Item

Linear Formula:
(CH3CH2CH2CH2)2SnO
CAS Number:
Molecular Weight:
248.94
MDL number:
UNSPSC Code:
12352103
EC Index Number:
212-449-1
NACRES:
NA.22

Quality Level

form

powder

autoignition temp.

525 °C

potency

487 mg/kg LD50, oral (Rat)
>2000 mg/kg LD50, skin (Rabbit)

bp

>300 °C (decomposes)

solubility

0.004 g/L

density

1.5 g/cm3 at 20 °C

bulk density

650‑750 kg/m3

storage temp.

2-30°C

InChI

1S/2C4H9.O.Sn/c2*1-3-4-2;;/h2*1,3-4H2,2H3;;

InChI key

JGFBRKRYDCGYKD-UHFFFAOYSA-N

Analysis Note

Assay (ex Sn): ≥ 98.0 %
Identity (IR): passes test

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Muta. 2 - Repr. 1B - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 1 - STOT SE 1

Target Organs

thymus

Storage Class Code

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

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH Annex XVII (Restriction List)

CAS No.

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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