4-Ethyl-3-hydroxybenzoic acid (CAS 100523-85-1)

Chinese name: 4-乙基-3-羟基苯甲酸

4-Ethyl-3-hydroxybenzoic acid is registered under CAS 100523-85-1. Molecular formula: C9H10O3. Approximate molecular weight: 166.17. SKYSEVEN Chemical provides industrial chemical sourcing support and free CAS tools for global B2B buyers.

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Physical & identity data

CAS Number	100523-85-1
English name	4-Ethyl-3-hydroxybenzoic acid
Chinese name	4-乙基-3-羟基苯甲酸
Molecular formula	C9H10O3
Molecular weight	166.17
Boiling point	336.7°C at 760 mmHg
Density	1.247g/cm3
Flash point	171.6°C
Refractive index	1.584
Vapor pressure	4.31E-05mmHgat25°C
HS code (ref.)	2918290000

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Authority references

• PubChem
• NIST Chemistry WebBook
• CAS Common Chemistry

FAQ

What is CAS 100523-85-1?

4-Ethyl-3-hydroxybenzoic acid is identified by CAS Registry Number 100523-85-1. Molecular formula: C9H10O3. SKYSEVEN Chemical provides industrial chemical supply and free CAS lookup tools.

Where can I buy 4-Ethyl-3-hydroxybenzoic acid?

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

How do I verify CAS 100523-85-1 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.