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260282

Sigma-Aldrich

1,2-Pentanediol

96%

Sinonimo/i:

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

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50 ML
CHF 199.00
250 ML
CHF 700.00

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50 ML
CHF 199.00
250 ML
CHF 700.00

About This Item

Formula condensata:
CH3CH2CH2CH(OH)CH2OH
Numero CAS:
5343-92-0
Peso molecolare:
104.15
Beilstein:
1732199
Numero CE:
226-285-3
Numero MDL:
MFCD00010736
Codice UNSPSC:
12162002
ID PubChem:
24855730
NACRES:
NA.23

CHF 199.00

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Livello qualitativo

100

Saggio

96%

Stato

liquid

Indice di rifrazione

n20/D 1.439 (lit.)

P. ebollizione

206 °C (lit.)

Densità

0.971 g/mL at 25 °C (lit.)

Stringa SMILE

CCCC(O)CO

InChI

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

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Descrizione generale

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.[1][2][3]

Pittogrammi

Exclamation mark
GHS07

Avvertenze

Warning

Indicazioni di pericolo

H319

Classi di pericolo

Eye Irrit. 2

Codice della classe di stoccaggio

10 - Combustible liquids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

230.0 °F - closed cup

Punto d’infiammabilità (°C)

110 °C - closed cup

Dispositivi di protezione individuale

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

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Certificati d'analisi (COA)

Lot/Batch Number
MKCS8832
STBL3211
STBL2467
84298MJ
84298MJV

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Questions

1–3 of 3 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

      Helpful?

  3. Please tell me which solvents 1,2-Pentanediol is IMMISCIBLE with? Indeed, I would like to extract the molecules present in 1,2-Pentanediol.

    1 answer

    1. 1,2-Pentanediol is generally not miscible in non-polar solvents including hydrocarbons such as hexane, heptane, and octane, chlorinated solvents such as dichloromethane and chloroform, and aromatic solvents such as toluene and benzene. These solvents lack the polar functional groups that enable hydrogen bonding and solvation with 1,2-pentanediol, which has hydroxyl (-OH) groups that promote miscibility with polar solvents like water and alcohols.

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