398039

1,2-Propanediol

ACS reagent, ≥99.5%

• Sinônimo(s): 1,2-PDO, Propylene glycol
• Fórmula linear: CH₃CH(OH)CH₂OH
• Número CAS: 57-55-6
• Peso molecular: 76.09
• Beilstein: 1340498
• Número CE: 200-338-0
• Número MDL: MFCD00064272
• Código UNSPSC: 12352100
• ID de substância PubChem: 24864713
• NACRES: NA.21

Propriedades

• grau: ACS reagent
• Nível de qualidade: 200
• densidade de vapor: 2.62 (vs air)
• pressão de vapor: 0.08 mmHg ( 20 °C)
• Ensaio: ≥99.5%
• Formulário: liquid
• temperatura de autoignição: 779 °F
• Lim. expl.: 12.5 %
• Impurezas: ≤0.0005 meq/g Titr. acid; ≤0.2% water
• resíduo de ignição: ≤0.005%
• cor: APHA: ≤10
• índice de refração: n20/D 1.432 (lit.)
• p.e.: 187 °C (lit.)
• pf: −60 °C (lit.)
• densidade: 1.036 g/mL at 25 °C (lit.)
• traços de ânion: chloride (Cl^-): ≤1 ppm
• grupo funcional: hydroxyl
• cadeia de caracteres SMILES: CC(O)CO
• InChI: 1S/C3H8O2/c1-3(5)2-4/h3-5H,2H2,1H3
• chave InChI: DNIAPMSPPWPWGF-UHFFFAOYSA-N

Descrição

Descrição geral

1,2-Propanediol, a 1,2-alkanediol is an industrially important chemical. Due to its increasing demand many green methods have been proposed for its synthesis mainly using the inexpensive glycerol as the starting material. It is a raw material for the synthesis of intermediates, building blocks and polymers.

Aplicação

1,2-Propanediol may be used in the following processes:

• Green synthesis of propylene carbonate.
• Production of lactic acid by green catalytic oxidation.
• Propanal generation by catalytic dehydration.

Outras notas

The article number 398039-4X2L will be discontinued. Please order the single bottle 398039-2L which is physically identical with the same exact specifications.

Informações de segurança

• Código de classe de armazenamento: 10 - Combustible liquids
• Classe de risco de água (WGK): WGK 1
• Ponto de fulgor (°F): 219.2 °F - closed cup
• Ponto de fulgor (°C): 104 °C - closed cup
• Equipamento de proteção individual: Eyeshields, Gloves