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Musk Ketone

Musk Ketone

Basic Information

CAS No.: 81-14-1
Molecular Formula: C14H18N2O5
Molecular weight: 294.3

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Product Details

Ketone musk is an important synthetic fragrance with the formula C14 H18 N2 O5 and molecular weight 294.303. It is a pale yellow crystal, usually powdery or flaky, with a sweet, musk-like animal aroma, soft and long-lasting. It is insoluble in water, insoluble in ethanol, soluble in benzyl benzoate, animal oil and essential oil, melting point is 135-139 ℃, density is 1.2±0.1 g/cm3, boiling point is 369.0±42.0℃ at 760 mmHg, flash point is 153.2±20.7℃.


Chemical Properties
PropertyValue

Melting point

134-137 °C

Boiling point

436.08°C (rough estimate)

Density

1.2051 (rough estimate)

Vapor pressure

0.001Pa at 25℃

Refractive index

1.5110 (estimate)

Fp

2 °C

Storage temp.

2-8°C

Solubility

DMSO : 250 mg/mL (849.47 mM; Need ultrasonic)

Form

Solid

Color

yellow crystal

Odor

At 10.00 % in benzyl benzoate. fatty musk soapy dry floral powdery

Odor Type

musk

Biological source

Synthetic

Water Solubility

Insoluble (<0.1 g/100 mL at 20 ºC)

BRN

2062638

Stability

Stable. Incompatible with strong oxidizing agents, strong acids, strong bases.

InChIKey

WXCMHFPAUCOJIG-UHFFFAOYSA-N

LogP

4.24 at 25℃

CAS DataBase Reference

81-14-1(CAS DataBase Reference)

NIST Chemistry Reference

2,6-Dimethyl-3,5-dinitro-4-t-butylacetophenone(81-14-1)

EPA Substance Registry System

Musk ketone (81-14-1)


Safety Information

PropertyValue
Hazard symbolsF, Xn, N
Hazard class codes11-20/21/22-36-50/53-40
Safety descriptions16-36/37-61-60-46
UN dangerous goods numberUN 1648 3/PG 2
WGK Germany2
RTECS numberKM5775841
TSCATSCA listed
HS code2914790060
Storage class3 - Flammable liquids
Hazard class (category)Acute toxicity, Category 4, Dermal
Acute toxicity, Category 4, Inhalation
Acute toxicity, Category 4, Oral
Eye irritation, Category 2
Flammable liquid, Category 2
Hazardous substances data81-14-1 (Hazardous Substances Data)
ToxicityBoth the acute oral LD₅₀ in rats and the acute dermal LD₅₀ in rabbits exceeded 10 g/kg (Fogleman, 1970).


Product Usage

Musk Ketone is a high-performance synthetic nitro-musk fragrance, widely regarded as one of the most elegant and "natural-smelling" musk compounds in the industry. Its primary application is in the fine fragrance and cosmetics sectors, where it serves as a powerful fixative, enhancing the longevity and depth of floral and woody notes in luxury perfumes. In the personal care industry, it is extensively used in high-end soaps, lotions, and creams to provide a clean, warm, and persistent scent. Beyond aesthetics, Musk Ketone is valued for its excellent stability in various chemical environments, making it a staple for scenting laundry detergents and fabric softeners. Its ability to impart a long-lasting sense of freshness on fabrics and skin makes it a cornerstone of the modern fragrance palette.

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