Products Description
Guaiacol, also known as 2-Methoxyphenol (CAS No. 90-05-1), has the molecular formula C₇H₈O₂ and a molecular weight of 124.14.
Guaiacol typically appears as a colorless to light yellow liquid or solid with a sweet, woody aroma, along with smoky, spicy, medicinal, and meaty notes. It oxidizes easily when exposed to air or sunlight, causing its color to darken over time.


Basic Info
| Item | Specification |
| Density | 1.09 g/mL at 20 °C |
| Melting point | -20 °C |
| Boiling point | less than -4° F (NTP, 1992) |
| Refractive index | 1.534 |
| Flash point | 165° F (NTP, 1992) |
| Vapor pressure | 0.2±0.4 mmHg at 25°C |
| PSA | 29.46000 |
| logP | 1.40080 |
| Appearance | liquid |
source
Guaiacol is primarily found in compounds such as benzaldehyde and coumarin, secreted by trees like eucalyptus and pine. It can also be extracted from wood chemical creosote. Alternatively, it can be synthesized chemically using catechol as a raw material, reacting with a methylating agent in the presence of an alkaline catalyst.

Uses
In the medical field, guaiacol can be used to synthesize guaiacol benzenesulfonate (potassium guaiacolsulfonate), which serves as a local anesthetic or preservative. It also has expectorant properties and is effective in treating indigestion. Additionally, it is used for oral ulcers, skin inflammation, and other conditions. Guaiacol is also an ingredient in certain herbal preparations. Modern research shows that it exhibits anti-inflammatory, analgesic, and immunomodulatory effects.
In the fragrance industry, guaiacol is a key raw material for producing various fragrances, including eugenol, vanillin, and artificial musk.
In the cosmetics industry, guaiacol is often added in small amounts as an antioxidant due to its reducing properties. It is commonly used alongside synergists and metal ion chelators to inhibit bacterial growth and maintain product stability. Its antioxidant effects also help protect the skin from free radical damage.
Company Profile
Gneechem, located in Henan Province, China, is part of the GNEE Group, with 22 years of experience in foreign trade, specializing in providing high-quality chemical raw materials and professional trading services to customers around the world. We supply basic chemical raw materials, fine chemicals and specialty chemicals for a wide range of industries.We are ISO9001 certified and have been recognized by a number of authoritative qualifications at home and abroad, making us a trusted partner of our customers.




FAQ
1. How do I get a price?
-We usually quote within 24 hours of receiving your inquiry (excluding weekends and holidays).
-If you need a price urgently, please email or contact us by other means so that we can quote for you.
2.What is your delivery time?
-It depends on the number of orders and the season in which you place your order.
-Usually, orders can be dispatched within 7-15 days for small orders and 25 days for large orders.
3. What is the shipping method?
-You can ship by sea, air, or express (EMS, UPS, DHL, TNT, FEDEX, etc.).
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