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Musk Xylene

Q: Is Musk Xylene natural or synthetic?

. Extraction: Fully synthetic. Produced by nitration of meta-xylene derivatives. Hazardous synthesis involving trinitration. Production has declined sharply due to regulatory pressure..

MUSKS AND AMBERS / musky · sweet · soapy

Musk Xylene

Category	MUSKS AND AMBERS
Subcategory	musky · sweet · soapy
Origin
Volatility	Base Note
Botanical	N/A — synthetic nitro musk
Appearance	Pale yellow crystalline solid
Producing Countries	N/A — synthesized industrially
Pyramid	Base

Sweet, powdery-musky with a sharper, more aggressive edge than musk ketone. Musk xylene is the louder sibling — more diffusive, more assertive, distinctly synthetic.

Scent
The Full Story
Fun Fact
Extraction & Chemistry
In Perfumery

Scent

Sweet, powdery-musky, sharper and more diffusive than musk ketone. More aggressive, less warm, less intimate. A distinctly synthetic quality — clean in a chemical sense rather than a naturalistic sense. Strong sillage. The character is more 'clean laundry' than 'warm skin.'

Evolution over time

Immediately

Sharp, diffusive, powdery-musky opening.

After a few hours

Stable musky character. Less warm than musk ketone. Projecting.

After a few days

Persistent but gradually restricted in modern use. Chemical-clean residue.

The Full Story

CAS 81-15-2. A nitro musk (1-tert-butyl-3,5-dimethyl-2,4,6-trinitrobenzene) that was the most common synthetic musk for much of the 20th century. More diffusive and more assertive than musk ketone, musk xylene defined the musk character of countless consumer products.

The scent is sweet, powdery-musky, with a sharper, more diffusive quality than musk ketone. It has less warmth and more projection — a 'broadcast' musk rather than a intimate one. The molecule was enormously important in functional fragrance (detergents, soaps) where its diffusiveness was an advantage.

Musk xylene is now heavily restricted or banned in many markets due to environmental persistence, bioaccumulation, and potential endocrine-disrupting effects. It is being phased out globally, though it still appears in older formulations and in markets with less stringent regulations.

This note in Première Peau. Doppel Dänçers · Albâtre Sépia. Sample all seven extraits in the Discovery Set.

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Did You Know?

Did you know?

At its peak in the 1980s, global production of musk xylene exceeded 1,000 tonnes annually. The molecule was so common in laundry products that it became detectable in human breast milk, European river water, and even fish tissue — findings that triggered the regulatory restrictions now in effect.

Extraction & Chemistry

Extraction method: Fully synthetic. Produced by nitration of meta-xylene derivatives. Hazardous synthesis involving trinitration. Production has declined sharply due to regulatory pressure.

Molecular Formula	C12H15N3O6
CAS Number	81-15-2
Botanical Name	N/A — synthetic nitro musk
IFRA Status	Banned in the EU for cosmetics (Annex II, Regulation 1223/2009). IFRA restricted.
Synonyms	MUSK XYLOL · 1-TERT-BUTYL-3,5-DIMETHYL-2,4,6-TRINITROBENZENE
Physical Properties
Lasting Power	400 hour(s) at 20.00 % in dipropylene glycol
Appearance	Pale yellow crystalline solid
Boiling Point	392.31 °C. @ 760.00 mm Hg (est)
Flash Point	200.00 °F. TCC ( 93.33 °C. )
Melting Point	235.40 °C. @ 0.00 mm Hg

In Perfumery

Base note in functional and legacy formulations. Musk xylene's strong diffusion made it dominant in detergents, soaps, and fabric softeners for decades. In fine perfumery, it was used for projection and sillage enhancement. Now heavily restricted (IFRA limit of 0.03% in fine fragrance) and being replaced by polycyclic and macrocyclic alternatives. Historical importance exceeds current use.