1,2-Propanediol, puriss. p.a., ACS reagent, >=99.5% (GC)

Code: 82280-1L D2-231

Application

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


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Application

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

General description

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

Other Notes

Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. 82280.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit sigma.com/metlin.

anion tracessulfate (SO42-): ≤20 mg/kg, chloride (Cl-): ≤1 mg/kg
assay≥99.5% (GC)
autoignition temp.779 °F
bp187 °C (lit.)
cation tracesCd: ≤1 mg/kg, Fe: ≤1 mg/kg, Mg: ≤1 mg/kg, Ni: ≤1 mg/kg, Cr: ≤1 mg/kg, Ca: ≤5 mg/kg, Na: ≤20 mg/kg, K: ≤20 mg/kg, Pb: ≤1 mg/kg, Co: ≤1 mg/kg, Cu: ≤1 mg/kg, Mn: ≤1 mg/kg, Zn: ≤5 mg/kg
density1.036 g/mL at 25 °C (lit.)
evapn. residue≤0.005%
expl. lim.12.5 %
formviscous liquid
gradepuriss. p.a., ACS reagent
ign. residue﹤0.005% (as SO4)
impurities≤0.1% water, ≤0.003% free acid (as CH3COOH)
InChI keyDNIAPMSPPWPWGF-UHFFFAOYSA-N
InChI1S/C3H8O2/c1-3(5)2-4/h3-5H,2H2,1H3
mp−60 °C (lit.)
Quality Level200
refractive indexn20/D 1.432 (lit.), n20/D 1.433
shelf life3 yr
SMILES stringCC(O)CO
vapor density2.62 (vs air)
vapor pressure0.08 mmHg ( 20 °C)
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82280-250ML
1,2-Propanediol, puriss. p.a., ACS reagent, >=99.5% (GC)

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Cas Number57-55-6
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