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Sigma-Aldrich

1,2-Pentanediol

96%

Synonym(s):

1, 2-Dihydroxypentane, 1, 2-Pentylene glycol, 4-Methyl-1 2-butanediol

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About This Item

Linear Formula:
CH3CH2CH2CH(OH)CH2OH
CAS Number:
5343-92-0
Molecular Weight:
104.15
Beilstein:
1732199
EC Number:
226-285-3
MDL number:
MFCD00010736
UNSPSC Code:
12162002
PubChem Substance ID:
24855730
NACRES:
NA.23

Assay

96%

form

liquid

refractive index

n20/D 1.439 (lit.)

bp

206 °C (lit.)

density

0.971 g/mL at 25 °C (lit.)

SMILES string

CCCC(O)CO

InChI

1S/C5H12O2/c1-2-3-5(7)4-6/h5-7H,2-4H2,1H3

InChI key

WCVRQHFDJLLWFE-UHFFFAOYSA-N

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General description

1,2-Pentanediol belongs to the class of diol monomers commonly used in the preparation of various polymers including polyesters and polyurethanes. These polymers are used in packaging, engineering plastic, textiles, cosmetics, detergents, lubricants, optical films, polyester resins, polyurethane foams, inks, adhesives, and sealants due to their desirable properties such as flexibility, durability, chemical resistance, and thermal insulation properties. 1,2-Pentanediol also finds diverse applications, serving as an organic solvent, plasticizer, surfactant, and reactant in the synthesis of various compounds.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H319

Hazard Classifications

Eye Irrit. 2

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

230.0 °F - closed cup

Flash Point(C)

110 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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