1,4-Butanediol 99.98% Pure: Properties, Uses & Market Insights

1,4-Butanediol (BDO) is a colorless, viscous liquid with the molecular formula C₄H₁₀O₂. Among the various grades of BDO available, 99.98% pure 1,4-Butanediol stands out as a premium industrial chemical due to its exceptional purity, which is critical for applications demanding high performance and reliability.

In this article, we’ll explore the properties, applications, benefits, and market significance of 99.98% pure BDO.

What Is 1,4-Butanediol (BDO)?

1,4-Butanediol is a diol alcohol used as a key intermediate in organic synthesis. It is commonly produced through reppe process, butadiene-based methods, or bio-based fermentation, and has widespread applications across multiple industries.

Key Properties of 99.98% Pure BDO

Property	Value
Purity	99.98% minimum
Appearance	Clear, colorless liquid
Boiling Point	~230°C (446°F)
Melting Point	~20.1°C (68.2°F)
Density	~1.017 g/cm³ at 20°C
Solubility	Completely miscible with water
Odor	Mild, characteristic

High-purity BDO is typically subjected to rigorous distillation and filtration processes to remove trace contaminants, which enhances its suitability for sensitive applications.

Applications of High-Purity 1,4-Butanediol

1. Industrial Solvent

BDO is widely used as a solvent in polymer production, coatings, paint removers, and cleaning agents.

2. Intermediate for High-Performance Polymers

BDO is a key raw material in the synthesis of:

Polybutylene Terephthalate (PBT)
Thermoplastic Polyurethanes (TPU)
Gamma-Butyrolactone (GBL)
Spandex (via PTMEG)

3. Pharmaceutical and Cosmetic Use

Ultra-pure BDO may be utilized in certain pharmaceutical formulations or as a moisture-retaining agent in cosmetics, though these uses require strict regulatory compliance.

4. Bio-Based & Green Chemistry

Bio-derived 1,4-Butanediol (BDO) with 99.98% purity is increasingly used in sustainable production methods as a greener alternative to petroleum-based chemicals.

Why Purity Matters

The 99.98% purity level significantly reduces by-products and unwanted reactions during downstream processing. In high-value industries like electronics, pharmaceuticals, and specialty polymers, such purity ensures:

Better product consistency
Enhanced safety and stability
Fewer impurities in end products

Storage & Handling

Store in tightly sealed containers
Avoid exposure to heat, sparks, or open flame
Use in well-ventilated areas
Recommended storage temperature: 10–30°C

While BDO is considered low-toxicity, protective gear (gloves, goggles) should be used during handling to avoid skin or eye contact.

Global Market Outlook

The global demand for high-purity BDO is on the rise, especially driven by:

Growth in automotive and electronics industries (for TPU and PBT)
Increased adoption of bio-based chemicals
Rising demand for sustainable textiles and flexible electronics

As of 2025, Asia-Pacific remains the largest consumer and producer of BDO, with China being a major player in production and export.

Conclusion

1,4-Butanediol 99.98% pure is more than just an industrial chemical—it's a critical enabler in high-tech manufacturing, clean energy, and sustainable material development. Whether you're in polymer synthesis, pharmaceuticals, or advanced materials, choosing high-purity BDO ensures your products meet the highest standards of performance and safety.

If you're sourcing 1,4-Butanediol with guaranteed 99.98% purity, always choose a certified supplier with rigorous quality control, reliable logistics, and documentation support.

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