Premium DEET & IR3535
From China's Designated Manufacturer

Hunan Xuetian Fine Chemical Industry Co., LTD./Snowsky FineChem — ISO 9001 certified. Government-designated insect repellent API producer. Full pesticide registration. Serving global brands.

Trusted by the Global Repellent Industry

2014
Established
ISO 9001
Quality System
7+
Certifications
10+
Patents
99%
DEET Purity

Who We Are

Hunan Xuetian Fine Chemical — Snowsky FineChem. is a National Designated Pesticide API Manufacturer, a National High-Tech Enterprise, a National Key New Product manufacturer, a Hunan Provincial New Materials Enterprise, and a Hunan Provincial 'Little Giant' (Specialized & Sophisticated) SME. We hold the Pesticide Registration Certificates for DEET, IR3535, and 10% DEET repellent spray issued by the Ministry of Agriculture, and the Production License issued by the Hunan Provincial Commission of Agriculture. The company engages primarily in the R&D, production, and technical services of industrial and civil fine chemical products.

Our product portfolio spans three major categories: repellent APIs (DEET & IR3535) and formulations (repellent sprays); cooling agents (Menthyl Lactate, WS-23); as well as industrial auxiliaries, surfactants, flavors & fragrances, salt anti-caking agents, etc.. The company holds 9 invention patents and 7 utility model patents.

Current production capacity: DEET 3,000 tonnes/year; IR3535 500 tonnes/year. Our production processes are technologically advanced, mature, and recognized as a leading standard in China. Our products serve multinational consumer brands, regional formulators, and trading partners across Asia, Africa, the Middle East, and Latin America.

Learn More
Snowsky Factory
Quality Lab Production Line Production Line Production Line

Core Products

DEET

N,N-Diethyltoluamide · CAS 134-62-3

The global gold standard for mosquito repellency. Our DEET delivers ≥99% purity — the benchmark for premium formulations. As one of very few licensed manufacturers in China, our supply position is both compliant and competitive.

  • Purity ≥ 99%
  • Appearance: Colorless to light yellow transparent liquid
  • 25kg/200kg drums or ISO tank containers
  • Best-in-class market access among repellent actives
Full Specs

IR3535

Ethyl Butylacetylaminopropionate · CAS 52304-36-6

WHO-recommended for sensitive skin applications. The strong Chinese chemical industry enables us cost advantages, and this transforms the unit economics of premium repellent brands — making IR3535-based formulations commercially viable at scale.

  • Purity ≥ 98.5%
  • Appearance: Colorless to light yellow transparent liquid
  • National Key New Product (2006)
  • Regional import regulations apply — need to verify local market accessibility
Full Specs

Ready to discuss your sourcing needs?

We respond within 24 hours with a full documentation package — COA, MSDS, and registration certificates.

Contact Kevin Jian