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API Reference Standards

Propylene Glycol

Reference StandardIn stock

Buy Propylene Glycol (CAS 57-55-6) from Zemixal: C3H8O2, COA and SDS with every lot, worldwide shipping. Part of our API Reference Standards range.

Pack sizes
Propylene Glycol chemical structure
CAS number57-55-6
FormulaC3H8O2
Molar mass76.09 g/mol
Physical formSolid
HS code38229090
InChIKeyDNIAPMSPPWPWGF-UHFFFAOYSA-N
IUPAC namepropane-1,2-diol

About Propylene Glycol

Propylene Glycol is part of the Zemixal API Reference Standards range. Identity at a glance (Reference Standard): CAS 57-55-6, formula C3H8O2 and molar mass 76.09 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Identification & assay
  • Method development & validation
  • QC reference material

Storage and safety notes

Classified under GHS with signal word Danger and hazard statements H336, H370 and H372. Read the SDS before first use.

Order it in 10 mg, 25 mg, 50 mg, 100 mg and 250 mg packs or ask for a bulk quotation. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Typical uses

  • Identification & assay
  • Method development & validation
  • QC reference material

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of Propylene Glycol
Product namePropylene Glycol
Catalogue numberZX-006748
CAS number57-55-6
Other CAS numbers6094-99-1
IUPAC namepropane-1,2-diol
Molecular formulaC3H8O2
Molar mass76.09 g/mol
Exact mass76.0524
GradeReference Standard
Physical formSolid
XLogP3-0.9
H-bond donors / acceptors2 / 2
Topological polar surface area40.5 Ų
HS code38229090
InChIKeyDNIAPMSPPWPWGF-UHFFFAOYSA-N
SMILESCC(CO)O
PubChem CID1030
Synonyms1,2-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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

  • 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Propylene Glycol
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 mgQuoted on request
500 mgQuoted on request
1 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Propylene Glycol

Which CAS number identifies Propylene Glycol?
Propylene Glycol is registered under CAS 57-55-6. You may also see it listed as 1,2-Propanediol, 1,2-Dihydroxypropane, 1,2-Propylene glycol. Our catalogue number for this item is ZX-006748.
What are the formula and molar mass of Propylene Glycol?
For Propylene Glycol, its formula is C3H8O2 and its molar mass is 76.09 g/mol. The systematic (IUPAC) name is propane-1,2-diol. InChIKey DNIAPMSPPWPWGF-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Propylene Glycol?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Propylene Glycol?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Propylene Glycol to my country?
Yes. Because Propylene Glycol is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 57-55-6

All 6 grades

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