Sodium chloride (CAS 7647-14-5) — Citrus N/A Note Fragrance Ingredient

ByThe Good Scents
Citrus · Floral

Sodium chloride

CAS 7647-14-5

Origin
synthetic
Note
N/A
IFRA
Generally safe
Data as of: Apr 2026

What Is Sodium chloride?

Sodium chloride, commonly known as table salt, is a crystalline compound found in kitchens worldwide. It enhances flavors in food and is used in various household products. While not typically used in perfumery, its presence in hygiene products makes it relevant to fragrance discussions.

Safety Profile

GENERALLY SAFE
Generally safeUse with awarenessProfessional use
✓ Safe in regulated products
⚠ Avoid excessive inhalation
CAS
7647-14-5
Formula
Mixture
MW
Variable
Odor Family
Citrus · Floral
Layer 1 · Enthusiast

What Does Sodium chloride Smell Like?

Sodium chloride is odorless but has a distinct salty taste. In perfumery, it is rarely used for its scent but may appear in trace amounts in hygiene products. Its presence is more about texture and function than fragrance.

Layer 2

2D Molecular Structure

Sodium chloride

SMILES: [Na+].[Cl-]

Chemistry, Properties & Perfumer Guide

The Chemistry

Sodium chloride is an ionic compound composed of sodium and chloride ions. It is highly soluble in water and forms cubic crystals. It is typically produced by mining or evaporating seawater. Its chemical stability makes it useful in various industries, including food and cosmetics.

Physical & Chemical Properties

Boiling Point1413 °C
Melting Point801 °C
Density2.16 g/cm³

Perfumer Guide

Note Position
N/A
Volatility
N/A
Blending
N/A
ApplicationTypical %RangeNotes
Hygiene Products0.1-1%Up to 5%Used for texture and function

Classic Accords

Tip: Use minimal amounts to avoid altering fragrance profiles.

Alternatives & Comparisons

1
Potassium Chloride CAS 7447-40-7

Used as a salt substitute in some products.

Layer 3

Safety, Regulatory & Sustainability

⚠ Regulatory Disclaimer

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

IFRA Status

No IFRA restrictions.

RIFM Assessment

No RIFM assessment required.

Sustainability

Sodium chloride is abundant and sustainably sourced from seawater or mineral deposits. Its production has minimal environmental impact compared to synthetic compounds.

Explore Sodium chloride

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References

  1. PubChem. Sodium chloride. PubChem CID 5234

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

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Ingredient Data Sheet

CAS 7647-14-5

Physical Properties

Molecular Weight58.44 g/mol🔬 PubChem
Vapor Pressure1 mmHg @ 25°C📊 OPERA
Involatility Index0.141💻 Calculated
SMILES[Na+].[Cl-]🔬 PubChem

Volatility & Performance

Fragrance NoteTop💻 Calculated
Volatility ClassModerate💻 Calculated
Persistence Score0.5 / 5💻 Calculated
Data Sources & Attribution
Physical data: PubChem (NIH/NLM), U.S. EPA CompTox Dashboard, EPA OPERA models, RDKit. Odor & flavor: Arctander (Perfume & Flavor Chemicals), Fenaroli's Handbook of Flavor Ingredients, Leffingwell. Thresholds: van Gemert (Compilations of Odour Threshold Values). Regulatory: IFRA Standards 51st, FEMA GRAS. Trade names: Surburg (Common Fragrance & Flavor Materials). All data compiled and cross-referenced for perfumertools.com.

Physicochemical Properties

DTXSID: DTXSID3021271

Physical Properties

Molecular Weight 58.44 g/mol🔬 EPA CompTox
Density 2.165 g/cm^3🔬 EPA CTX
Boiling Point 1463 °C🔬 EPA CTX
Melting Point 818.45 °C🔬 EPA CTX

Partition & Solubility

LogP (Octanol-Water) -5.992 dimensionless💻 Computed
Water Solubility 5.96 mol/L🔬 EPA CTX
Henry's Law Constant 0.025 atm-m3/mole🔬 EPA CTX

Transport Properties

Vapor Pressure 0 mmHg🔬 EPA CTX

Molecular Descriptors

Topological Polar Surface Area 0 Ų💻 Computed
H-Bond Donors 0 count💻 Computed
H-Bond Acceptors 0 count💻 Computed
Rotatable Bonds 0 count💻 Computed
Aromatic Rings 0 count💻 Computed

Data Sources:

🔬 EPA Experimental data from U.S. EPA CompTox Chemicals Dashboard & CTX APIs. 📊 OPERA Predicted using EPA's OPERA QSAR models. 💻 Computed Calculated from SMILES using RDKit.

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