Diethyl phthalate (CAS 84-66-2)

Chinese name: 邻苯二甲酸二乙酯

Diethyl phthalate is registered under CAS 84-66-2. Molecular formula: C12H14O4. Approximate molecular weight: 222.237. SKYSEVEN Chemical provides industrial chemical sourcing support and free CAS tools for global B2B buyers.

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Physical & identity data

CAS Number	84-66-2
English name	Diethyl phthalate
Chinese name	邻苯二甲酸二乙酯
Molecular formula	C12H14O4
Molecular weight	222.237
Boiling point	298-299℃
Density	1.118
Flash point	156℃
Refractive index	1.501-1.503
Water solubility	1G/L(20℃)
Vapor pressure	1mmHg(100°C)
HS code (ref.)	29173400

Applications (reference)

用于醋酸纤维素时，常于邻苯二甲酸二甲酯并用，以提高制品的耐水性、弹性，并赋予适宜强度。用于硝酸纤维素、制品可获得优良的耐光性和强韧性，而且无臭味。可提高聚醋酸乙烯的粘合力。由于本品无毒，可用作食品包装无毒粘合剂的增塑剂，还可用作醇酸树酯、丁睛橡胶、氯丁橡胶的增塑剂，以及用作香料的溶剂等。

Related products at SKYSEVEN Chemical

• diethyl phthalate

Authority references

• PubChem
• NIST Chemistry WebBook
• CAS Common Chemistry

FAQ

What is CAS 84-66-2?

Diethyl phthalate is identified by CAS Registry Number 84-66-2. Molecular formula: C12H14O4. SKYSEVEN Chemical provides industrial chemical supply and free CAS lookup tools.

Where can I buy Diethyl 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 84-66-2 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.