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5-Tert-butyl-m-xylene cas 98-19-1

Assay: 98% 99%
Appearance: colorless liquid
Capacity: 50 MT per month
Packaging: 180 kg drums
Sample: available

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5-Tert-butyl-m-xylene (CAS 98-19-1) Comprehensive Technical Guide

1. Product Overview & Specifications
2. Key Applications
3. Industrial Use Cases
4. Client Success Stories
5. Technical Inquiry

1. Product Overview & Specifications

Parameter	Value
CAS Number	98-19-1
Molecular Formula	C₁₂H₁₈
Molecular Weight	162.27 g/mol
Appearance	Colorless to pale yellow liquid
Density	0.867 g/mL at 25°C
Boiling Point	202-206°C
Flash Point	68°C (154°F)
Refractive Index	n²⁰/D 1.49

2. Key Applications

2.1 Fragrance Synthesis

Primary intermediate for ketone musk production through nitration processes. Essential for creating synthetic musks with enhanced stability and odor profiles.

2.2 Pharmaceutical Intermediates

Critical precursor in synthesizing xylometazoline hydrochloride impurities (EP grade). Used in nasal decongestant API manufacturing.

2.3 Specialty Chemicals

Building block for advanced material synthesis, including:

Polymer additives
High-performance lubricants
Corrosion inhibitors

3. Industrial Use Cases

3.1 Musk Production Workflow

Typical nitration process parameters:

Stage	Conditions	Yield
Nitration	HNO₃/H₂SO₄ mixture at 40-45°C	85-92%
Purification	Crystallization from ethanol	≥98% purity

4. Client Success Stories

4.1 Global Fragrance Solutions Ltd. (France)

Challenge: Required cost-effective musk precursor with ≤0.5% isomer impurities
Solution: Customized purification protocol achieving 99.7% purity
Outcome: 30% production cost reduction with improved scent longevity

4.2 AsiaPharm Co., Ltd. (China)

Challenge: Needed EP-compliant impurity reference standard
Solution: Developed HPLC-qualified xylometazoline impurity D
Outcome: Accelerated regulatory approval by 6 months