Sodium Oleate

CAS 16558-02-4C18H33NaO2MW 304.4

Sodium Oleate (CAS 16558-02-4) — formula C18H33NaO2, molecular weight 304.4; category organic chemicals.

Product Description

Sodium Oleate (CAS 16558-02-4) is a chemical raw material in the organic chemicals category. Its molecular formula C18H33NaO2 comprises 18 C, 33 H, 1 Na, 2 O atoms. Its molecular weight is about 304.4. Reported physicochemical data: melting point around 455 °F (USCG, 1999). As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.

Product Overview

CAS Number	16558-02-4
Molecular Formula	C18H33NaO2
Molecular Weight	304.4
Melting Point	455 °F (USCG, 1999)
Applications	pH regulating agent, Surfactant (surface active agent), Lubricating agent, metal polishes, emulsifier in the polymerization of butadiene
Category	Organic Chemicals

Applications

Documented applications: pH regulating agent, Surfactant (surface active agent), Lubricating agent, metal polishes, emulsifier in the polymerization of butadiene.

Technical Profile

What this product is

Sodium Oleate is a carbon-based organic compound with CAS registry number 16558-02-4 and molecular formula C18H33NaO2 (molecular weight 304.4), belonging to the organic chemicals segment of chemical raw materials.

Identification

CAS number: 16558-02-4

Its molecular formula C18H33NaO2 comprises 18 C, 33 H, 1 Na, 2 O atoms.

Also known as: Sodium Oleate · 油酸钠

Category: organic chemicals

Frequently Asked Questions

What is the CAS number of Sodium Oleate?

The CAS registry number of Sodium Oleate is 16558-02-4.

What is the molecular formula and molecular weight of Sodium Oleate?

Molecular formula C18H33NaO2, molecular weight 304.4.

What other names is Sodium Oleate known by?

It is also registered under: Sodium Oleate, 油酸钠.

What are the documented applications of Sodium Oleate?

Recorded applications: pH regulating agent, Surfactant (surface active agent), Lubricating agent, metal polishes, emulsifier in the polymerization of butadiene.

Which category does Sodium Oleate belong to?

Category: Organic Chemicals.

Packaging & documentation

Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.

PubChem Public Data

Independent reference data for Sodium Oleate (CAS 16558-02-4), compiled from public chemistry databases.

Registry identifiers across databases

CAS Registry Number	16558-02-4
PubChem CID	23665730
Molecular formula	C18H33NaO2
IUPAC name	sodium (Z)-octadec-9-enoate
UNII (FDA)	399SL044HN

Computed descriptors

Molecular Weight	304.4
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	15
Exact Mass	304.23782457
Monoisotopic Mass	304.23782457
Topological Polar Surface Area	40.1
Heavy Atom Count	21

Physicochemical values on record

Melting Point	455 °F (USCG, 1999)
Melting Point	232-235 °C

Documented uses on record

Synonyms and trade names

SODIUM OLEATE; 143-19-1; Oleic acid sodium salt; Osteum; Eunatrol; Olate flakes; Sodium 9-octadecenoate, (Z)-; 9-Octadecenoic acid (Z)-, sodium salt; Sodium 9-octadecenoate; CCRIS 1964; HSDB 758; oleate sodium; EINECS 205-591-0; UNII-399SL044HN; 9-Octadecenoic acid (9Z)-, sodium salt; 9-Octadecenoic acid, sodium salt, (Z)-

Regulatory listings held on file

Regulatory & Food Contact	FDA Substance added to food: ANTICAKING AGENT OR FREE-FLOW AGENT, EMULSIFIER OR EMULSIFIER SALT, FORMULATION FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS ANTICAKING_AGENT; EMULSIFIER: Food Additives ANTICAKING AGENT OR FREE-FLOW AGENT, EMULSIFIER OR EMULSIFIER SALT, FORMULATION AID, STABILIZER OR THICKENER The 1988 group ADI of "not specified" for the calcium, potassium and sodium salts of oleic acid was maintained TRS 776-JECFA 33/25
GHS notification summary	79.9% (417 / 522)

Regulatory & Food Contact

FDA Substance added to food: ANTICAKING AGENT OR FREE-FLOW AGENT, EMULSIFIER OR EMULSIFIER SALT, FORMULATION
FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS
ANTICAKING_AGENT; EMULSIFIER: Food Additives
ANTICAKING AGENT OR FREE-FLOW AGENT, EMULSIFIER OR EMULSIFIER SALT, FORMULATION AID, STABILIZER OR THICKENER
The 1988 group ADI of "not specified" for the calcium, potassium and sodium salts of oleic acid was maintained
TRS 776-JECFA 33/25

GHS notification summary

79.9% (417 / 522)

GHS hazard classification

GHS notification summary	79.9% (417 / 522)
Reported hazard statements	H412 (20.1%)

This chemical does not meet GHS hazard criteria for 79.9% (417 of 522) of all reports.

H412 (20.1%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]

What the public record says

Sodium Oleate · CAS 16558-02-4 · C18H33NaO2. UNII 399SL044HN. Melting Point: 455 °F (USCG, 1999); Melting Point: 232-235 °C.

Source: PubChem / Wikidata; the batch COA governs where values differ.

Sodium Oleate

Product Description

Product Overview

Applications

Technical Profile

What this product is

Identification

Frequently Asked Questions

Packaging & documentation

PubChem Public Data

Registry identifiers across databases

Computed descriptors

Physicochemical values on record

Documented uses on record

Synonyms and trade names

Regulatory listings held on file

GHS hazard classification

What the public record says

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