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Heptadecanoic acid

CAS Number
506-12-7
EC Number
208-027-1
Chemical Formula
C17H34O2
Molecular Weight
270.5 g/mol

Description

Heptadecanoic acid (CAS 506-12-7 ), also known as margaric acid, is a saturated odd-chain fatty acid used as a reference standard, emulsifier, and surface-active agent across food, cosmetic, and industrial formulations. Its odd-carbon structure makes it a reliable analytical marker and functional ingredient where even-chain fatty acids are unsuitable. In food and nutrition, it serves primarily as a certified reference standard for fatty acid profiling. This material is essential for lipid analysis in quality control laboratories. Cosmetic formulators incorporate it into creams, balms, and waxy emulsions where it contributes to texture, emulsion stability, and skin-feel. It provides these benefits without the melting-point limitations of shorter-chain acids. In lubricant and metalworking applications, it functions as a boundary lubricant and surface modifier, reducing friction on metal substrates. It is frequently utilized in cutting fluids and specialty grease formulations. Its surface-active character also supports emulsification and dispersion tasks in industrial processing where precise fatty acid chain length is required. Heptadecanoic acid is supplied as a white to off-white crystalline powder or flake. It is available in high-purity analytical grades suited for reference standard and laboratory use, as well as technical grades for industrial applications. Packaging ranges from small quantities for laboratory procurement to bulk quantities for manufacturing-scale sourcing. The product meets rigorous internal specifications to ensure consistency across various batch sizes and applications. Contact us for supply of Heptadecanoic acid Request Quote

Other Names (Synonyms)

Normal-heptadecanoic acid | Normal-heptadecanoate | n-heptadecylic acid | N-Heptadecylate | n-heptadecoic acid | N-Heptadecoate | n-heptadecanoic acid | N-Heptadecanoate

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

Physical Properties

Melting Point61.3 °C
Boiling Point344.70 °C
Density0.8532 g/cm³ @ Temp: 60 °C
Flash Point227°C/100mm
Appearanceoff-white powder
ColorWhite to off-white
FormShiny Flakes or Crystalline Powder
Water SolubilitySoluble in ether. Slightly soluble in alcohol. Insoluble in water
Refractive Index1.4348 (589.3 nm 40℃)
Log P7.320 (est)

Safety & Handling

Warning
GHS07· Irritant

Hazard Statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary Statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P264Wash … thoroughly after handling.
P271Use only outdoors or in a well-ventilated area.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P319Get medical advice/attention if you feel unwell.
P321Specific treatment (see … on this label).
P405Store locked up.
P501Dispose of contents/container in accordance with local regulations.
P265Wash … thoroughly after handling.
P352IF ON SKIN: Wash with plenty of water.
P340IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P317Get emergency medical help.
P317If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P364Take off contaminated clothing and wash it before reuse.
P233Store in a well-ventilated place. Keep container tightly closed.
P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code29159000
Storage Class11 - Combustible Solids
WGK (Germany)3