- CAS number
- 137-00-8
- IFRA Standard status
- Not recorded
- Products
- 4
Last updated · 25-05-2026Record completeness75%
The information here describes the ingredient in general. Its possible sources may vary and do not necessarily show the origin or form used in a particular YUMA product. For product-specific information, check the relevant product page.
Description
4-Methyl-5-thiazoleethanol is a fragrance ingredient with a distinctive aroma reminiscent of broth, nuts, and freshly baked bread. It occurs naturally in various foods and beverages, including beer, cocoa, and citrus fruits. Perfumers often produce a nature-identical version in laboratories that is chemically identical to the natural substance. This laboratory production ensures consistent quality in fragrances and helps conserve the planet's natural resources. The synthetic ingredient can be produced from various raw materials, including renewable sources, offering a more sustainable approach to fragrance creation.
Reported natural sources
MaltCitrusCacaoCognacBrandyBeerWhiskeyBeansPeanuts
Additional information
- When smelling a fragrance containing 4-methyl-5-thiazoleethanol, your brain may associate it with a meal, as it is responsible for distinctive flavor notes in many foods.
- 4-Methyl-5-thiazoleethanol is a common denominator in alcoholic beverages such as beer, brandy, and whiskey, contributing to their unique aroma.
- The laboratory production of 4-methyl-5-thiazoleethanol saves natural resources, illustrating how perfumery combines art and environmental responsibility.
CAS number
137-00-8
Other names
Hemineurine2-(4-Methylthiazol-5-yl)ethanol5-(beta-hydroxyethyl)-4-methyl thiazole4-methyl-5-thiazoleethanol4-methyl-5-thiazolethanolSulfulin5-(2-Hydroxyethyl)-4-methylthiazole4-Methyl-5-(β-hydroxyethyl)thiazole2-(4-Methyl-1,3-thiazol-5-yl)ethanol5-Thiazoleethanol, 4-methyl-
Linked YUMA products
IFRA Standard status
The IFRA Standards form an industry self-regulatory system. They may prohibit or restrict the use of particular fragrance ingredients, or set specifications, according to end use. The status below reflects the IFRA data recorded for this ingredient. It is not a product certification and does not replace applicable law or assessment of the finished product.
Not recorded
Regulatory information
The safety of 4-methyl-5-thiazoleethanol has been evaluated by the Research Institute for Fragrance Materials (RIFM), and a peer-reviewed safety assessment has been published. The ingredient can be safely used in everyday products at current use levels. Safety assessments for this ingredient have been conducted by various regulatory bodies worldwide.
