Dibutyl phthalate (CAS 84-74-2)

Chinese name: 邻苯二甲酸二丁酯

Dibutyl phthalate is registered under CAS 84-74-2. Molecular formula: C16H22O4. Approximate molecular weight: 278.344. SKYSEVEN Chemical provides industrial chemical sourcing support and free CAS tools for global B2B buyers.

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Physical & identity data

CAS Number	84-74-2
English name	Dibutyl phthalate
Chinese name	邻苯二甲酸二丁酯
Molecular formula	C16H22O4
Molecular weight	278.344
Melting point	-35℃
Boiling point	340℃
Density	1.043
Flash point	171℃
Refractive index	1.491
Water solubility	略溶于水.0.0013G/100ML
Vapor pressure	1mmHg(147°C)
HS code (ref.)	2917341090

Applications (reference)

主要用作硝化纤维、醋酸纤维、聚氯乙烯等的增塑剂;用作气相色谱固定液、溶剂及增塑剂;该品为增塑剂。对多种树脂具有很强溶解力。主要用于聚氯乙烯加工，可赋于制品良好的柔软性。由于其相对价廉..

Related products at SKYSEVEN Chemical

• dibutyl phthalate

Authority references

• PubChem
• NIST Chemistry WebBook
• CAS Common Chemistry

FAQ

What is CAS 84-74-2?

Dibutyl phthalate is identified by CAS Registry Number 84-74-2. Molecular formula: C16H22O4. SKYSEVEN Chemical provides industrial chemical supply and free CAS lookup tools.

Where can I buy Dibutyl phthalate?

Request a quote on cnchemshop.com. SKYSEVEN Chemical supplies industrial grades with COA/SDS on request for export orders.

How do I verify CAS 84-74-2 data?

Cross-check PubChem / NIST / CAS Common Chemistry, and use our free CAS lookup tool. Always match CAS on COA and invoice.

Data is for informational reference only. Verify lot-specific values with COA/SDS. Not for medical advice.