Methyl acetoacetate (CAS 105-45-3)

Chinese name: 乙酰乙酸甲酯

Methyl acetoacetate is registered under CAS 105-45-3. Molecular formula: C5H8O3. Approximate molecular weight: 116.115. SKYSEVEN Chemical provides industrial chemical sourcing support and free CAS tools for global B2B buyers.

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Physical & identity data

CAS Number	105-45-3
English name	Methyl acetoacetate
Chinese name	乙酰乙酸甲酯
Molecular formula	C5H8O3
Molecular weight	116.115
Melting point	-80℃
Boiling point	169-170℃
Density	1.077
Flash point	67℃
Refractive index	1.4175-1.4295
Water solubility	460G/L(20℃)
Vapor pressure	1.54mmHgat25°C
HS code (ref.)	2918300090

Applications (reference)

是有机合成的重要原料。

Related products at SKYSEVEN Chemical

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Authority references

• PubChem
• NIST Chemistry WebBook
• CAS Common Chemistry

FAQ

What is CAS 105-45-3?

Methyl acetoacetate is identified by CAS Registry Number 105-45-3. Molecular formula: C5H8O3. SKYSEVEN Chemical provides industrial chemical supply and free CAS lookup tools.

Where can I buy Methyl acetoacetate?

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

How do I verify CAS 105-45-3 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.