Crown ether [15-Crown-5]

Name: Crown ether [15-Crown-5]
Brand: Vaqora Chemicals
SKU: VQ-000334

About Crown ether [15-Crown-5]

Crown ether [15-Crown-5] is an indicator (Synthesis grade) carrying the CAS registry number 33100-27-5 at a purity of 98%. Its molecular formula is C10H20O5 and its molecular weight is 220.26 g/mol. The IUPAC name is 1,4,7,10,13-pentaoxacyclopentadecane. Common synonyms include 15-Crown-5 and 15-Crown-5 ether.

The material typically appears as a colourless to light yellow liquid. Reported physical data include a density of 1.113 g/mL at 20 °C. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.

Key uses span titration end-point detection, pH determination, analytical testing and catalysis. Buyers come mainly from academic and industrial research.

Vaqora Chemicals supplies Crown ether [15-Crown-5] in 5 g, 25 g, 500 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Titration end-point detection
pH determination
Analytical testing
Catalysis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Crown ether [15-Crown-5]
Catalogue No.	VQ-000334
CAS Number	33100-27-5
IUPAC name	1,4,7,10,13-pentaoxacyclopentadecane
Molecular formula	C₁₀H₂₀O₅
Molecular weight	220.26 g/mol
Exact mass	220.1311
Grade	Synthesis
Purity / assay	98%
HSN code	29329900
InChIKey	VFTFKUDGYRBSAL-UHFFFAOYSA-N
SMILES	C1COCCOCCOCCOCCO1
PubChem CID	36336

Physical properties
Physical form	Liquid
Appearance	Colourless to light yellow liquid
Density	1.113 g/mL at 20 °C
LogP (XLogP3)	-0.5
H-bond donors / acceptors	0 / 5
TPSA	46.2 Å²
Synonyms	15-Crown-5, 15-Crown-5 ether, 15-Crown 5-Ether, 1, 4, 7, 10, 13-pentaoxacyclopentadecane, 15-Crown-5, Vetec(TM) reagent grade, 98%, 1,4,10,13-Pentaoxacyclopentadecane, 15-Crown-5(1,4,7,10,13-Pentaoxacyclopentadecane), 15-crown 5, [15]crown-5, 5-19-12-00252 (Beilstein Handbook Reference), 15-Crown-5, 98%, 15-Crown-5, purum, >=98.0%

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation

Precautionary statements: P261, P264, P264 + P265, P270, P272, P280, P301 + P317, P302 + P352, P305 + P351 + P338, P321, P330, P332 + P317, P333 + P317, P337 + P317, P362 + P364, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Crown ether [15-Crown-5]?

The CAS Registry Number of Crown ether [15-Crown-5] is 33100-27-5. It is also known as 15-Crown-5, 15-Crown-5 ether, 15-Crown 5-Ether.

What is the molecular formula and molecular weight of Crown ether [15-Crown-5]?

Crown ether [15-Crown-5] has the molecular formula C10H20O5 and a molecular weight of 220.26 g/mol. Its IUPAC name is 1,4,7,10,13-pentaoxacyclopentadecane.

Which grade and pack sizes of Crown ether [15-Crown-5] can I order?

We supply Crown ether [15-Crown-5] in Synthesis (98%) grade, in 5 g, 25 g, 500 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Crown ether [15-Crown-5]?

Yes. Every lot of Crown ether [15-Crown-5] is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Crown ether [15-Crown-5] be shipped internationally?

Yes. Crown ether [15-Crown-5] is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.