1-Propoxypropan-2-ol (CAS 1569-01-03) — Sweet Carrier Note Fragrance Ingredient

Sweet · Green

1-Propoxypropan-2-ol

CAS 1569-01-03

Origin
synthetic
Note
Carrier
IFRA
Use with awareness
Data as of: Apr 2026

What Is 1-Propoxypropan-2-ol?

1-Propoxypropan-2-ol is a synthetic solvent used in industrial applications and some specialty fragrances. It’s rarely encountered by consumers directly but may appear in technical formulations. This ingredient matters primarily for its solvent properties rather than as a fragrance material, though it can influence scent diffusion in complex mixtures.

Safety Profile

USE WITH AWARENESS
Generally safeUse with awarenessProfessional use
Industrial solvent applications
Limited fragrance safety data
CAS
1569-01-03
Formula
Mixture
MW
Variable
Odor Family
Sweet · Green
Layer 1 · Enthusiast

What Does 1-Propoxypropan-2-ol Smell Like?

1-Propoxypropan-2-ol has a faint, ethereal odor with subtle solvent-like characteristics. The scent profile is clean and slightly sweet, reminiscent of diluted alcohol with a whisper of plastic undertones. It lacks distinct top/middle/base evolution, presenting a linear olfactory character that serves primarily as a carrier rather than a fragrance note.

Scent Profile
Layer 2

Chemistry, Properties & Perfumer Guide

The Chemistry

1-Propoxypropan-2-ol is a simple ether-alcohol compound synthesized through the reaction of propylene oxide with propanol. As a synthetic material, it doesn’t occur naturally. The molecule features both ether and hydroxyl functional groups, giving it moderate polarity and solvent properties. Its structure suggests potential as a fragrance carrier solvent rather than an impactful odorant.

Physical & Chemical Properties

Boiling PointNot established
DensityNot established

Perfumer Guide

Note Position
Carrier
Volatility
Medium
Blending
Neutral
ApplicationTypical %RangeNotes
Industrial Solvents50-100%VariablePrimary application
Fragrance Carrier0-5%Up to 10%Secondary use

Classic Accords

Tip: Consider primarily for solvent applications rather than olfactory contribution.

Alternatives & Comparisons

1
Dipropylene glycol CAS 25265-71-8

More established solvent with better safety profile for fragrance applications.

2
Propylene glycol CAS 57-55-6

Commonly used food-grade carrier solvent with neutral odor.

Layer 3

Safety, Regulatory & Sustainability

⚠ Regulatory Disclaimer

General reference only. Consult current IFRA Standards Library before formulating.

IFRA Status

Not currently restricted by IFRA standards.

RIFM Assessment

No RIFM assessment available for this material.

Sustainability

As a synthetic petrochemical derivative, 1-propoxypropan-2-ol’s environmental impact stems from fossil fuel feedstock. Production likely follows standard industrial organic synthesis routes with typical solvent recovery systems. No known renewable production pathways exist currently.

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References

    Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Apr 2026.

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