16033

1,2-propanediol

meets analytical specification of Ph. Eur., BP, USP, ≥99.5%

• Synonyme(s) : Propylène glycol
• Formule linéaire : CH₃CH(OH)CH₂OH
• Numéro CAS: 57-55-6
• Poids moléculaire : 76.09
• Numéro Beilstein : 1340498
• Numéro CE : 200-338-0
• Numéro MDL: MFCD00064272
• Code UNSPSC : 12352100
• ID de substance PubChem : 57647543
• Nomenclature NACRES : NA.21

Propriétés

• Densité de vapeur: 2.62 (vs air)
• Niveau de qualité: 200
• Pression de vapeur: 0.08 mmHg ( 20 °C)
• Pureté: ≥99.5%
• Forme: liquid
• Température d'inflammation spontanée: 779 °F
• Qualité: meets analytical specification of Ph. Eur., BP, USP
• Durée de conservation: 24 mo.
• Limite d'explosivité: 12.5 %
• Impuretés: acidic reac. impurities, complies; organic volatile impurities, complies (GC); oxidizing substances, complies; reducing matter, complies; residual solvents, complies; ≤0.0005% heavy metals (as Pb); ≤0.002% free alkali (as NaOH); ≤0.003% free acid (as CH₃COOH); ≤0.2% water (Karl Fischer)
• Résidus de calcination: ≤0.005% (as SO₄)
• Indice de réfraction: n20/D 1.431-1.433; n20/D 1.432 (lit.)
• Point d'ébullition: 187 °C (lit.)
• Pf: −60 °C (lit.)
• Densité: 1.036 g/mL at 25 °C (lit.)
• Traces d'anions: chloride (Cl^-): ≤50 mg/kg; sulfate (SO₄^2-): ≤50 mg/kg
• Adéquation: complies for appearance of solution
• Groupe fonctionnel: hydroxyl
• Chaîne SMILES: CC(O)CO
• InChI: 1S/C3H8O2/c1-3(5)2-4/h3-5H,2H2,1H3
• Clé InChI: DNIAPMSPPWPWGF-UHFFFAOYSA-N

Description

Description générale

1,2-Propanediol is an 1,2-alkanediol. It can be obtained from glycerol, via hydrogenolysis in the presence of Ru/C and Amberlyst ion-exchange resins.

1,2-Propanediol is an important petrochemical that can be prepared by the hydrogenolysis of glycerol. It is mainly used as a cryoprotectant for biological samples and also as an additive in food, cosmetic and pharmaceutical industries.

Application

1,2-Propanediol may be employed as a cryoprotective agent for the preservation (by cooling to sub-zero temperatures) of human embryos and and oocytes (human and mouse).

Conditionnement

bottled under inert gas

Autres remarques

The article number 16033-4X5L will be discontinued. Please order the single bottle 16033-5L which is physically identical with the same exact specifications.
The article number 16033-6X1L will be discontinued. Please order the single bottle 16033-1L which is physically identical with the same exact specifications.
The article number 16303-4X2.5L-R will be discontinued. Please order the single bottle 16303-2.5L-R which is physically identical with the same exact specifications.

Informations sur la sécurité

• Code de la classe de stockage: 10 - Combustible liquids
• Classe de danger pour l'eau (WGK): WGK 1
• Point d'éclair (°F): 219.2 °F - closed cup
• Point d'éclair (°C): 104 °C - closed cup
• Équipement de protection individuelle: Eyeshields, Gloves