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Oleic acid (purity≥98%)

CAS 112-79-8C18H34O2MW 282.5

Oleic acid (purity≥98%) (CAS registry number 112-79-8) is supplied as a chemical raw material for formulation and synthesis work. The molecular formula is C18H34O2, giving a molecular weight of 282.5 g/mol. This is a organic compound of 18 carbon with 2 heteroatoms, predominantly aliphatic; of medium-to-high molecular weight. Documents are issued per shipment rather than per catalogue entry: each batch is accompanied by a Certificate of Analysis, and safety data sheets, technical datasheets and third-party test reports are supplied on request for export documentation.

Product Overview

CAS Number112-79-8
Molecular FormulaC18H34O2
Molecular Weight282.5
Melting Point42 - 44 °C
LogP6.78
Purityper batch COA (not published)
Packagingper order / batch confirmation (not published)
ApplicationsCosmetic Raw Materials
CategoryCosmetic Raw Materials

Applications

Cosmetic Raw Materials

Recorded applications for this entry: Cosmetic Raw Materials. Where your formulation differs, the relevant point to check is not the use category but the impurity profile — tell us the end use and we will map it to the specification.

For export enquiries, include the destination country and the intended application in your message. This lets us confirm whether the grade needs any additional documentation beyond the standard per-batch COA, and whether the packing suits the planned transport mode.

Packaging & Storage

Packagingper order / batch confirmation (not published)
Purityper batch COA (not published)
StorageSealed, cool and dry place
ShippingStandard chemical transport
SampleAvailable on request
Lead TimeIn stock / per order

Packing is per order / batch confirmation (not published) and purity is per batch COA (not published). Both are agreed at order stage; for export movements the packing is chosen with the transport mode and destination in mind, and drum, bag or repacked formats are all available. Storage: sealed, in a cool and dry place, away from direct sunlight.

Each shipment is accompanied by a batch Certificate of Analysis. For cross-border orders, MSDS, technical datasheets and third-party test reports can be issued to match your documentation set; declare the destination country when you enquire so the paperwork matches on arrival. Contact: info@591daili.com · +86-18553102138.

Quality & Documentation

COA (Certificate of Analysis) is provided with every batch. MSDS/technical data sheets and third-party test reports are available on request. Purity and packaging are subject to batch COA and order confirmation.

Molecular Character — Selection Notes

What the structure means for your process

For this product specifically: the saturated aliphatic backbone is stable at ambient conditions, so oxidation risk comes mainly from oxygen, peroxides or trace transition metals introduced in processing rather than from the skeleton itself. If oxidisable components are also present, evaluate the order of addition during storage.

From a process-selection standpoint, This product is an aliphatic organic carrying 2 oxygen, and is strongly lipophilic, essentially insoluble in water. defines where this material fits and where it does not. Three points deserve checking before purchase: structural type, which sets the reactive sites and compatibility; polarity class, which dictates the solvent system; and molecular-weight range, which governs dosage and dispersion feasibility.

How it behaves in your formulation

At 200~320 g/mol the molecule carries both functional groups and enough bulk to contribute film formation, thickening, opacity or release control. Grades in this band often need adjusting for the specific use, so stating your application when enquiring is more effective than asking for a generic grade.

Strongly lipophilic and effectively insoluble in water, so it serves as an oil-phase component: solvent carrier, thickener base or film former. Introducing it into an aqueous phase requires pre-dissolution in a small amount of solvent or an emulsified envelope; adding it dry will leave it floating.

Storage, handling and documents

On documentation: the batch COA travels with every shipment; MSDS, technical datasheets and third-party test reports can be issued on request. If your quality system requires supplier qualification documents — business licence, production permit, management-system certificates — state the destination country and the document list when you enquire, and we will assemble the set at once.

A few points on receipt and storage. pre-dissolve lipophilic material in a compatible solvent before introducing it to the aqueous phase; specific handling and PPE follow the MSDS issued with the batch.. For inbound or outbound shipments, confirm packing group and transport classification in advance to avoid demurrage caused by documentation mismatch.

Technical Profile

Oleic acid (purity≥98%) is a cosmetic-ingredient compound with CAS registry number 112-79-8 and molecular formula C18H34O2 (molecular weight 282.5), belonging to the cosmetic raw materials segment of chemical raw materials.

This entry belongs to the cosmetic raw materials range, where the material is normally supplied against a stated grade rather than blended to a formula. Where a buyer works to a published standard, the useful conversation is about which data the grade is qualified against and how deviations are handled, rather than about the use category itself.

Jinan Shenghe Chemical Co., Ltd. supplies Oleic acid (purity≥98%) with stable inventory and provides a Certificate of Analysis (COA) with each batch; custom repacking is available per process requirement.

CAS number: 112-79-8 — searchable in PubChem for physicochemical, safety and regulatory data.

Its molecular formula C18H34O2 comprises 18 C, 34 H, 2 O atoms.

Also known as: Oleic acid (purity≥98%)

Category: cosmetic raw materials

Within the cosmetic raw materials segment, the technical questions differ from other categories. Buyers here are usually working to a specification or a standard rather than to a general description, so the useful conversation covers impurity profile, particle size or assay method, and which data the grade is qualified against.

For qualification work, we can supply a sample batch with full documentation so that incoming QC has something concrete to compare against. Mentioning the destination country at enquiry stage also lets us match the paperwork set to your import requirements.

Purity available is per batch COA (not published), with packing per order / batch confirmation (not published). Neither value is asserted in advance: every batch ships with a Certificate of Analysis carrying the measured results, so incoming QC compares against real data rather than a catalogue claim. MSDS, technical datasheets and third-party test reports can be issued for qualification purposes — state the standard you qualify against when you enquire.

Supplier: Jinan Shenghe Chemical Co., Ltd.. For export orders, state the destination country, the transport mode and the document set you need when you enquire — packing, paperwork and quotation terms all follow from those three. Samples can be arranged for qualification, and lead time depends on stock and order size rather than on a fixed promise.

Email: info@591daili.com · Tel/WhatsApp: +86-18553102138

Frequently Asked Questions

What is the CAS number of Oleic acid (purity≥98%)?

The CAS number of Oleic acid (purity≥98%) is 112-79-8.

What purity and packaging are available?

Typical purity is per batch COA (not published), supplied in per order / batch confirmation (not published), with COA provided.

What are the applications of Oleic acid (purity≥98%)?

Main applications include Cosmetic Raw Materials.

What quality documents are provided?

Each batch ships with a Certificate of Analysis (COA). MSDS and other technical documents are available on request.

How should Oleic acid (purity≥98%) be stored and handled?

Store sealed in a cool, dry place. Handling and PPE follow the MSDS supplied with the batch; general chemical-handling precautions are recommended.

Can I request a sample?

Samples are available on request. Please contact us at info@591daili.com or via WhatsApp for details.

How do I buy Oleic acid (purity≥98%) or get a quote?

Email info@591daili.com or reach us on WhatsApp with the product name, CAS number and required quantity; quotes within one business day. Supplier: Jinan Shenghe Chemical Co., Ltd..

PubChem Public Data

Independent reference data for Oleic acid (purity≥98%) (CAS 112-79-8), compiled from public chemistry databases. It is reproduced here so that a qualification decision does not depend on a single source: if your incoming specification and these values disagree, the difference is usually a measurement basis rather than an error. We would rather you saw the same reference figures we do. Values that vary by batch — assay, moisture, particle size, packaging, shelf life — are deliberately excluded and issued on the batch COA instead.

Registry identifiers across databases

CAS Registry Number112-79-8
PubChem CID637517
Molecular formulaC18H34O2
IUPAC name(E)-octadec-9-enoic acid
UNII (FDA)4837010H8C

Computed descriptors

Molecular Weight282.5
XLogP36.5
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count15
Exact Mass282.255880323
Monoisotopic Mass282.255880323
Topological Polar Surface Area37.3
Heavy Atom Count20

Physicochemical values on record

Melting Point42 - 44 °C
LogP6.78
Collision Cross Section175.9 Ų [M-H]-

Documented uses on record

  • Used as a laboratory chemical and to make other substances; [Sigma-Aldrich MSDS]

Synonyms and trade names

Elaidic acid; 112-79-8; (E)-octadec-9-enoic acid; trans-Oleic acid; trans-9-Octadecenoic acid; 9-Octadecenoic acid, (E)-; (E)-Oleic acid; 9-octadecenoic acid, (9E)-; trans-Octadec-9-enoic acid; (E)-9-Octadecenoic acid; trans-Elaidic acid; Elaidinsaure; acide elaidique; (9E)-Octadecenoic acid; 9-trans-Octadecenoic acid; Elaidinic acid

Regulatory listings held on file

GHS notification summary12.5% (1 / 8)

GHS hazard classification

GHS notification summary12.5% (1 / 8)
Reported hazard statementsH315 (87.5%), H319 (87.5%), H335 (75%)

This chemical does not meet GHS hazard criteria for 12.5% (1 of 8) of reports.

H315 (87.5%): Causes skin irritation [Warning Skin corrosion/irritation]

What the public record says

Oleic acid (purity≥98%) · CAS 112-79-8 · C18H34O2. UNII 4837010H8C. Melting Point: 42 - 44 °C; LogP: 6.78; Collision Cross Section: 175.9 Ų [M-H]-.

Physical description and handling notes

Cross-database discrepancies to expect

What are the CAS number and molecular formula of Oleic acid (purity≥98%)?

CAS 112-79-8; molecular formula C18H34O2; molecular weight — g/mol.

Source: public chemistry databases (PubChem / Wikidata) and the cited literature. Batch-dependent values are issued on the accompanying COA.

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