Description

1,1,5,9-Tetramethylspiro[5.5]Undecane is a high-purity, highly volatile synthetic musk compound with a unique spirocyclic structure. This compound is valued for its clean, long-lasting, and diffusive woody-ambery fragrance profile, making it a powerful and versatile ingredient in modern perfumery. It is primarily sought after by fragrance houses, flavor & fragrance (F&F) manufacturers, and producers of fine chemicals for the creation of sophisticated personal care products, fine fragrances, and household goods.

Application

• Fine Fragrances: Used as a base note in premium perfumes, eau de toilettes, and colognes for its excellent stability and tenacity.
• Personal Care Products: Incorporated into body lotions, shampoos, deodorants, and soaps to provide a persistent and elegant scent.
• Household & Air Care: A key component in fabric softeners, detergents, and air fresheners for long-lasting freshness.
• Functional Fragrances: Employed in industrial deodorants and masking agents due to its strong odor coverage.
• Flavor & Fragrance (F&F) Blending: Serves as a crucial building block for perfumers to create complex, modern amber and woody accords.
• Chemical Synthesis: Acts as a valuable intermediate or starting material for the synthesis of other specialty aroma chemicals.

Basic Information

Product Name	1,1,5,9-Tetramethylspiro[5.5]Undecane
CAS No.	20479-46-3
Molecular Formula	C₁₅H₂₈
Molecular Weight	208.38 g/mol
Synonyms	Ambroxide; Ambroxan; Ambrox DL; Spiro[5.5]undecane, 1,1,5,9-tetramethyl-; (1R,2S,6R,7S,8S)-8-Isopropyl-1,3-dimethyltricyclo[4.4.0.02,7]decane; Ambrofix; Ambrox Super; Synambrane; Amberwood
EINECS	243-855-0

Quality Control

Our 1,1,5,9-Tetramethylspiro[5.5]Undecane is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. Quality is verified through a comprehensive suite of analytical tests including GC, GC-MS, and organoleptic evaluation. Certificates of Analysis (COA) detailing purity, identity, and olfactory profile are provided with every shipment. We adhere to relevant industry standards including IFRA and REACH compliance for global market suitability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area at temperatures between 15°C and 25°C (59°F and 77°F). Due to its highly volatile nature, keep containers tightly sealed when not in use to prevent evaporation and maintain fragrance integrity. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Odor	Characteristic woody, ambery
Melting Point	75°C - 85°C

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.