DX-990

Methyltin Mercaptide DX-990

Item No: DX-990 CAS No: 57583-35-4

Chemical name: Methyl tin mercaptide

Formula: C31H60O6S3Sn and C22H44O4S2Sn

The mass ration of methyl tin mercaptide and dimethyl tin mercaptide is around 25/75.

Structural formula:

Technical Specification

Product Properties:

Heat Stability: DX-990 has high efficient heat stability and good early color stability.

Transparency: The products processed with DX990 have superior transparency, clear color, little gas

and no educt

Process: The excellent hightemperature color stability and longterm dynamic stability provided

by DX181. Without fouling, the time of cleaning equipment is shortened. It is suitable

for PVC calendared medical rigid sheet and calendared common rigid sheet.

Amount: On the same condition, DX-990 shows its excellent cost performance.

Safety: The product of methyl tin mercaptide has been approved by American FDA

(21 CFR 178.2010) and certified by Germany BGA (IIA, 4C). It can be used in food packaging materials and water pipes etc.

It’s safe and reliable.

Applications

PVC calendared medical rigid sheet, calendared common rigid sheet, thermal shrinking packaging

film, printing film, twisting film etc.

PVC medical apparatus (transfusion device etc.), food packaging materials, dailyused appliances

and others

User notice

Package: The product is packed into iron drum with plastic coating or plastic bucket, and the

net weight is 220kg per drum.

Transportation: The product is the heat stabilizer for processing PVC, and it is nonflammable and

non-explosive.

Storage: The iron bucket should be placed in cool and dry area with the storage temperature from

5 to 30℃. The bucket should be sealed immediately after use.

Safety: Avoid any contact with mouth, eyes and skin. In case of contact with skin, wash thoroughly

with soap and water immediately. In case of contact with eyes or mouth, flush with water immediately

and get medical attention. The work place should be ventilated so as to avoid inhaling evaporated gas

directly in the production operation.

Environment: According to environment safety standards of Occupational Safety & Health

Administration (OSHA), including the standard of tin use for all the industries.

TWA (eight hours average value) is 0.1mg/m3 (tin); short-time exposure value is 0.2mg/m3

Warranty period: 12 months

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