1,3-Propanediol

Description

1,3-Propanediol · CAS 504-63-2 · C3H8O2. UNII 5965N8W85T. Boiling Point: 210-212 °C; Density: 1.0597 at 20 °C/4 °C; Density: 1.0536 @25 °C.

Identification

CAS Registry Number	504-63-2
PubChem CID	10442
Molecular formula	C3H8O2
IUPAC name	propane-1,3-diol
UNII (FDA)	5965N8W85T
FEMA number	4753

Computed Descriptors

Molecular Weight	76.09
XLogP3	-1
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	2
Exact Mass	76.052429494
Monoisotopic Mass	76.052429494
Topological Polar Surface Area	40.5
Heavy Atom Count	5
Formal Charge	0

Physical & Chemical Properties

Boiling Point	210-212 °C
Density	1.0597 at 20 °C/4 °C
Density	1.0536 @25 °C
Vapor Pressure	0.04 [mmHg]
Vapor Pressure	0.0441 mm Hg at 25 °C
LogP	log Kow = -1.04
LogP	-1.04
Autoignition Temperature	Ignition Temp: 752 °F/ 400 °C

Physical description & handling notes

• Liquid; Liquid; Other Solid
• Colorless to pale yellow liquid; [Merck Index] Colorless odorless liquid; [Alfa Aesar MSDS]
• Colorless to pale yellow, very viscid liquid
• Sweet
• Flash Point: 174 °F/ 345 °C /closed cup/
• Miscible with water

Regulatory Status

Regulatory & Food Contact	Scientific procedures FDA has no questions DuPont Tate & Lyle BioProducts
GHS notification summary	91.8% (468 / 510)

GHS Hazard Classification

GHS notification summary	91.8% (468 / 510)
Reported hazard statements	H315

Documented Uses

• Used as an intermediate in the production of polyesters; [Hawley]
• Industrial uses: functional fluids (open system); intermediates; solvents (for cleaning or degreasing); solvents (which become part of product formulation or mixture) Consumer uses: anti-freeze and de-icing products; apparel and footwear care products; building/construction materials; floor coverings; ink, toner and colorant products; laundry and dishwashing products; personal care products
• Intermediate, especially for polyesters
• Polymers, foods, lubricants, medicines, intermediate for the synthesis of heterocyclic compounds
• For more Uses (Complete) data for 1,3-Propanediol (6 total), please visit the HSDB record page.
• EPA Safer Chemical Functional Use Classes -> Enzymes and Enzyme Stabilizers;Solvents

Synonyms

1,3-PROPANEDIOL; Propane-1,3-diol; 504-63-2; Trimethylene glycol; 1,3-Dihydroxypropane; 1,3-Propylene glycol; 2-Deoxyglycerol; 1,3-Propylenediol; beta-Propylene glycol; 2-(Hydroxymethyl)ethanol; omega-Propanediol; DTXSID8041246; 5965N8W85T; DTXCID6021246; CHEBI:16109; RefChem:906914

Frequently Asked Questions

What are the CAS number and molecular formula of 1,3-Propanediol?

CAS 504-63-2; molecular formula C3H8O2; molecular weight — g/mol.

What other names is 1,3-Propanediol known by?

1,3-PROPANEDIOL, Propane-1,3-diol, 504-63-2, Trimethylene glycol, 1,3-Dihydroxypropane, 1,3-Propylene glycol.

What is the regulatory status of 1,3-Propanediol?

Documented regulatory listings: Scientific procedures; FDA has no questions; DuPont Tate & Lyle BioProducts.

Is 1,3-Propanediol classified as hazardous?

91.8% of GHS notifications report no hazard classification (468 of 510).

What are the key physical properties of 1,3-Propanediol?

Boiling Point: 210-212 °C; Density: 1.0597 at 20 °C/4 °C; Density: 1.0536 @25 °C; Vapor Pressure: 0.04 [mmHg].

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.