Musk Ketone is a synthetic aroma material with a rich, warm, sweet-musky scent that perfumers use as a base note and fixative to make fragrances last longer on skin, in soaps and in scented cosmetics. It comes as a white to pale-yellow crystalline powder and is added in small quantities to a fragrance blend, never used neat as a finished perfume.
What is Musk Ketone?
Musk Ketone is a nitro-musk aroma chemical (chemical formula C14H18N2O5, CAS number 81-15-2). It belongs to the family of synthetic musks that were developed to recreate the soft, animalic warmth of natural musk without relying on animal sources. The Azlok grade is supplied as crystals or crystalline powder, ranging in colour from white to pale yellow.
Its main appeal is staying power. On its own the scent is quiet and slightly sweet, but blended into a composition it adds body, roundness and a lingering dry-down that keeps the top and heart notes from fading too quickly.
Common uses in fragrance and cosmetics
- Perfumes and attars: as a base note and fixative that anchors floral, oriental and woody accords.
- Soaps and bath products: to hold the scent through the wash and give a warm finish.
- Candles and reed diffusers: as part of a fragrance oil blend where a longer throw is wanted.
- Scented cosmetics and body care: to add depth and a soft, clean musk background.
How to use Musk Ketone
Because it is a raw aroma material, Musk Ketone is always used as one ingredient in a larger recipe, not applied directly.
- Dissolve it first. Crystals dissolve well in perfumer's alcohol (ethanol) or in a suitable solvent or carrier used in your formula. Gentle warming and stirring helps.
- Weigh, don't guess. Fragrance work is done by weight on an accurate scale. Musks are typically used at low percentages of the total fragrance concentrate.
- Blend and mature. Add it to your accord, then let the blend rest (mature) for a few days to weeks so the notes marry before you judge the final scent.
- Test small. Make a tiny trial batch and adjust before scaling up to larger production.
If you are formulating leave-on cosmetics or perfumes for sale, follow current IFRA guidance and local regulations for the product type, as usage limits for musks can vary.
Safety and handling
Treat Musk Ketone as an industrial aroma chemical, not a food or medicine.
- Work in a well-ventilated area and avoid breathing in dust from the powder.
- Wear gloves and avoid direct skin contact with the raw material; always dilute before any skin application and patch-test finished products.
- Do not ingest. Keep away from children, pets and food.
- Store away from open flames and strong oxidisers.
- Keep an eye on regulatory status in your market, since some nitro-musks face restrictions in certain applications and regions. Check the current rules for your specific product before commercial use.
Buying and storage tips
Azlok offers Musk Ketone in sizes from 50 g and 100 g for hobbyists up to 500 g, 1 kg, 5 kg, 10 kg and 20 kg for makers and small businesses, with pricing starting at ₹399. For occasional perfume experiments a small pack is plenty, as you use very little per batch.
- Store in a tightly closed, airtight container away from heat, moisture and direct sunlight.
- Keep it in a cool, dark cupboard to protect colour and scent quality.
- Label the container clearly with the name and CAS number.
- Used and stored well, it carries a shelf life of around 2 years.
FAQ
What does Musk Ketone smell like?
It has a warm, sweet, soft musky odour. On its own it is subtle, but in a blend it adds depth and a long-lasting dry-down.
Can I apply Musk Ketone directly to my skin?
No. It is a raw aroma material meant to be diluted into a fragrance formula. Do not use it neat; always blend, dilute and patch-test the finished product.
How much Musk Ketone should I add to a perfume?
It is used in small amounts as part of the base. Start low, weigh accurately, and adjust in trial batches while following IFRA and local usage guidance for your product.
How do I dissolve the crystals?
Dissolve them in perfumer's alcohol or a suitable solvent from your formula, with gentle warming and stirring until fully clear.
How long does it last in storage?
Kept airtight in a cool, dark place away from moisture, Musk Ketone has a shelf life of about 2 years.