Propylene Glycol

Name: Propylene Glycol
Brand: Vaqora Chemicals
SKU: VQ-007682

About Propylene Glycol

Propylene Glycol is an API reference standard carrying the CAS registry number 57-55-6. With the molecular formula C3H8O2, it has a molar mass of 76.09 g/mol. Systematically, it is named propane-1,2-diol. Common synonyms include 1,2-Propanediol and 1,2-Dihydroxypropane.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Laboratories use this the parent drug substance standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Propylene Glycol is dispatched with a Certificate of Analysis (COA) to destinations worldwide. This item is currently in stock for prompt dispatch.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Specifications & identifiers

Chemical identifiers
Product name	Propylene Glycol
Catalogue No.	VQ-007682
CAS Number	57-55-6
Other CAS	6094-99-1
IUPAC name	propane-1,2-diol
Molecular formula	C₃H₈O₂
Molecular weight	76.09 g/mol
Exact mass	76.0524
Grade	Reference Standard
HSN code	38229090
InChIKey	DNIAPMSPPWPWGF-UHFFFAOYSA-N
SMILES	CC(CO)O
PubChem CID	1030

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.9
H-bond donors / acceptors	2 / 2
TPSA	40.5 Å²
Synonyms	1,2-Propanediol, 1,2-Dihydroxypropane, 1,2-Propylene glycol, Methylethyl glycol, propane- 1, 2- diol, 2-Hydroxypropanol, Isopropylene glycol, Sirlene, Methylethylene glycol, Monopropylene glycol, Trimethyl glycol, Propylene Glycol USP

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H336May cause drowsiness or dizziness
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure

Precautionary statements: P260, P261, P264, P270, P271, P304 + P340, P308 + P316, P319, P321, P403 + P233, P405, 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

Other grades of CAS 57-55-6

Synthesis

Propylene glycol, 99%

CAS: 57-55-6
Formula: C₃H₈O₂
MW: 76.09 g/mol

VQ-019336

BP

Propylene Glycol, BP

CAS: 57-55-6
Formula: C₃H₈O₂
MW: 76.09 g/mol

VQ-047025

Food Grade

Propylene Glycol, food grade (FCC)

CAS: 57-55-6
Formula: C₃H₈O₂
MW: 76.09 g/mol

VQ-045754

AR

Propylene glycol, GR 99%+

CAS: 57-55-6
Formula: C₃H₈O₂
MW: 76.09 g/mol

VQ-019337

IP/BP/USP/EP/Ph. Eur.…

Propylene Glycol, IP/BP/USP/EP/Ph. Eur., AR

CAS: 57-55-6
Formula: C₃H₈O₂
MW: 76.09 g/mol

VQ-047243

Frequently asked questions

What is the CAS number of Propylene Glycol?

The CAS Registry Number of Propylene Glycol is 57-55-6. It is also known as 1,2-Propanediol, 1,2-Dihydroxypropane, 1,2-Propylene glycol.

What is the molecular formula and molecular weight of Propylene Glycol?

Propylene Glycol has the molecular formula C3H8O2 and a molecular weight of 76.09 g/mol. Its IUPAC name is propane-1,2-diol.

Which grade and pack sizes of Propylene Glycol can I order?

We supply Propylene Glycol in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Propylene Glycol?

Yes. Every lot of Propylene Glycol 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 Glycol be shipped internationally?

Yes. Propylene Glycol 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.