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For foam applications organotin compounds have enhanced selectivity for the isocyanate-hydroxyl reaction and they are used in foams to give fast gelation. 
Chemical name and structure Trade name    Properties

Regulatory

Supplier
CAS # 77-58-7
Dibutyltin dilaurate (DBTDL)
Dabco T 12
Fascat 4202
Metacure T 12
Neostann U 100
SCAT 1
T 12
TN 12
Stann BL
Catalyst for isocyanate and blocked isocyanates
Very efficient catalyst standard for many applications
Strong gelation catalyst, selective for hydroxyl reaction over water reaction.
TSCA USA Yes
DSL Canada Yes
EINECS Europe Yes
ENCS Japan Yes
ECL Korea Yes
AICS Australia Yes
CAS # 1067-33-0
Dibutyltin diacetate (DBTDA)
Metacure T 1
Fascat 4200
S-Cat 8
T 1
U 200
Strong gelation catalyst, selective for hydroxyl reaction over water reaction, improved compatibility with hydrophilic resins versus DBTDL
TSCA USA Yes
DSL Canada Yes
EINECS Europe Yes
ENCS Japan Yes
ECL Korea Yes
AICS Australia Yes
CAS # 1185-81-5
Dibutyltin bis(dodecyl mercaptide)
Dabco 120
Fomrez UL 32
Mark A
Mellite 139
UL 32
Catalyst with improved potlife and better hydrolytic stability
TSCA USA Yes
DSL Canada Yes
EINECS Europe Yes
ENCS Japan Yes
ECL Korea Yes
AICS Australia Yes
CAS # 301-10-0
Stannous octoate
Dabco T 9, T10, T16, T26
Fascat 2003
Neostann U 28
D 19
Stanoct T 90
Standard tin catalyst for slabstock.
The toxicity concern about organotin compounds does not apply to Stannous carboxylates
TSCA USA Yes
DSL Canada Yes
EINECS Europe Yes
ENCS Japan Yes
ECL Korea Yes
AICS Australia Yes
If a compound is not listed in a directory under a certain CAS number this does not necessary indicate that this compound cannot be commercially used in a country. It is possible that this compound might fall under a different category or is exempt from listing requirements. Some salts for example are considered in some countries regulations not new compounds and if the acid and the amine is listed the salt is also listed. Consult your supplier for information.

Last edited on:   

November 16, 2006

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