Propylene oxide, 99%+

Name: Propylene oxide, 99%+
Brand: Vaqora Chemicals
SKU: VQ-019042

About Propylene oxide, 99%+

Propylene oxide is a monomer (AR / Puriss grade) carrying the CAS registry number 75-56-9 at a purity of ≥99%. Formula C3H6O, molecular weight 58.08 g/mol. Systematically, it is named 2-methyloxirane. Alternative names: (±)-Methyloxirane and 1,2-Epoxypropane.

In its supplied form it is a colourless liquid. Key physical data: a melting point of -112 °C. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Key uses span polymerisation, crosslinking and curing, adhesives and coatings and pharmaceutical synthesis. It is used across polymers and plastics, paints and coatings and pharmaceutical manufacturing.

Vaqora Chemicals supplies Propylene oxide in 100 mL, 1 L and 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Polymerisation
Crosslinking & curing
Adhesives & coatings
Pharmaceutical synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Propylene oxide, 99%+
Catalogue No.	VQ-019042
CAS Number	75-56-9
IUPAC name	2-methyloxirane
Molecular formula	C₃H₆O
Molecular weight	58.08 g/mol
Exact mass	58.0419
Grade	AR / Puriss
Purity / assay	≥99%
HSN code	29102000
InChIKey	GOOHAUXETOMSMM-UHFFFAOYSA-N
SMILES	CC1CO1
PubChem CID	6378

Physical properties
Physical form	Liquid
Appearance	Colourless liquid
Melting point	-112 °C
H-bond donors / acceptors	0 / 1
TPSA	12.5 Å²
UN number	UN 1280
Synonyms	(±)-Methyloxirane, 1,2-Epoxypropane, Methyloxirane, Propene oxide, Epoxypropane, Propyleneoxide, Oxirane, methyl-, Propylene epoxide, Methyl oxirane, 2,3-Epoxypropane, Methyloxacyclopropane, Methyl ethylene oxide

Safety & hazard information (GHS)

Flammable

Toxic

Health hazard

Signal word: Danger

Hazard statements

H224Extremely flammable liquid and vapor
H302Harmful if swallowed
H311Toxic in contact with skin
H319Causes serious eye irritation
H331Toxic if inhaled
H335May cause respiratory irritation
H340May cause genetic defects
H350May cause cancer

Precautionary statements: P203, P210, P233, P240, P241, P242, P243, P261, P262, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P316, P318, P319, P321, P330

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

Other grades of CAS 75-56-9

Propylene oxide, 95-97%

CAS: 75-56-9
Formula: C₃H₆O
MW: 58.08 g/mol

VQ-019041

GC

Propylene oxide, for GC >99%

CAS: 75-56-9
Formula: C₃H₆O
MW: 58.08 g/mol

VQ-045861

Frequently asked questions

What is the CAS number of Propylene oxide, 99%+?

The CAS Registry Number of Propylene oxide, 99%+ is 75-56-9. It is also known as (±)-Methyloxirane, 1,2-Epoxypropane, Methyloxirane.

What is the molecular formula and molecular weight of Propylene oxide, 99%+?

Propylene oxide, 99%+ has the molecular formula C3H6O and a molecular weight of 58.08 g/mol. Its IUPAC name is 2-methyloxirane.

Which grade and pack sizes of Propylene oxide, 99%+ can I order?

We supply Propylene oxide, 99%+ in AR / Puriss (≥99%) grade, in 100 mL, 1 L, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Propylene oxide, 99%+?

Yes. Every lot of Propylene oxide, 99%+ 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 Propylene oxide, 99%+ be shipped internationally?

Yes. Propylene oxide, 99%+ is classified as hazardous (UN 1280), 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.