16033

1,2-Propanediol

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

• Szinonimák: 1,2-PDO, Propylene glycol
• Lineáris képlet: CH₃CH(OH)CH₂OH
• CAS-szám: 57-55-6
• Molekulatömeg: 76.09
• Beilstein: 1340498
• EC-szám: 200-338-0
• MDL-szám: MFCD00064272
• UNSPSC kód: 12352100
• PubChem Substance ID: 57647543
• NACRES: NA.21

Tulajdonságok

• gőzsűrűség: 2.62 (vs air)
• Minőségi szint: 200
• gőznyomás: 0.08 mmHg ( 20 °C)
• Teszt: ≥99.5%
• form: liquid
• öngyulladási hőmérséklet: 779 °F
• minőség: meets analytical specification of Ph. Eur., BP, USP
• eltarthatósági idő: 24 mo.
• robbanási határérték: 12.5 %
• szennyeződések: 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)
• izzítási maradék: ≤0.005% (as SO₄)
• törésmutató: n20/D 1.431-1.433; n20/D 1.432 (lit.)
• bp: 187 °C (lit.)
• mp: −60 °C (lit.)
• sűrűség: 1.036 g/mL at 25 °C (lit.)
• anion nyomok: chloride (Cl^-): ≤50 mg/kg; sulfate (SO₄^2-): ≤50 mg/kg
• alkalmasság: complies for appearance of solution
• funkcionális csoport: hydroxyl
• SMILES string: CC(O)CO
• InChI: 1S/C3H8O2/c1-3(5)2-4/h3-5H,2H2,1H3
• Nemzetközi kémiai azonosító kulcs: DNIAPMSPPWPWGF-UHFFFAOYSA-N

Leírás

Általános leírás

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.

Alkalmazás

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).

Kiszerelés

bottled under inert gas

Egyéb megjegyzések

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.

Biztonsági adatok

• Tárolási osztály kódja: 10 - Combustible liquids
• WGK: WGK 1
• Lobbanási pont (F): 219.2 °F - closed cup
• Lobbanási pont (C): 104 °C - closed cup
• Egyéni védőeszköz: Eyeshields, Gloves