Nanjing Union Silicon Chemical Co., Ltd.

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Organotin USi-101

Category：

Silanes

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Product Details

产品描述

USi-101 — Dibutyltin Dilaurate (DBTDL)

Premium Catalyst & Heat Stabilizer for Polyurethanes, Silicones & PVC

📄 Product Description

Chemical Name: Dibutyltin Dilaurate (DBTDL)
Synonyms:
Di-n-butyl dilaurate tin • Di-n-butyltin • FASCAT® 4202 • TIB KAT® 218
CAS No.: 77-58-7
EINECS No.: 201-039-8
Molecular Weight: 631.56
Chemical Structure:

📊 Typical Technical Data

⚠️ The values below are provided for general reference only and must not be used for specification or quality control without prior written confirmation from our technical team.

Parameter	Specification
Appearance	Slightly yellow liquid
Colour (Gardner)	≤ 100
Specific Gravity (25°C)	1.040 – 1.080 g/cm³
Tin Content (%)	18.0 – 19.2

🌐 Applications

USi-101 is a highly efficient organotin compound with dual functionality as both a catalyst and heat stabilizer:

✅ As a Catalyst:

Polyurethane Foams: Accelerates gelling and blowing reactions in flexible & rigid foams
PU Coatings & Elastomers: Enhances cure speed and film integrity
Silicone Systems: Promotes room-temperature vulcanization (RTV)

✅ As a Heat Stabilizer:

Soft Transparent PVC Compounds:
- Delivers excellent long-term thermal stability
- Provides superior processing lubricity
- Ideal for applications requiring clarity and durability (e.g., medical tubing, packaging films)

Its balanced reactivity and compatibility make USi-101 a go-to solution for high-performance formulations.

📦 Packaging Options

25 kg pail
200 kg drum

(Custom packaging available for bulk orders)

📞 Contact Us

Nanjing Union Silicon Chemical Co., Ltd.

Headquarters:
Room 2002, Overseas Chinese Plaza, No.1 Daqiao North Road, Nanjing 210031, Jiangsu, P.R. China
Factory Address:
Dongcheng Guanli District, Gaizhou 115200, Liaoning, P.R. China
Tel: +86-25-5889 5266 / 5889 5699
Fax: +86-25-5830 5349
Website: www.usi-chemical.com
Email: service@usichemical.com

Keywords:

Organotin USi-103

Organotin Catalyst USi-80

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