1,2-Propanediol Analytical reference material Synonym: Propylene glycol CAS Number 57-55-6 Linear Formula CH3CH(OH)CH2OH Molecular Weight 76.09 grade analytical reference material vapor density 2.62 (vs air) vapor pressure 0.08 mmHg ( 20 C) assay 98.5% (qNMR) 99.5% (GC) form neat autoignition temp. 779 F shelf life limited shelf life, expiry date on the label expl. lim. 12.5% application(s) HPLC: suitable gas chromatography (GC): suitable impurities 0.5% water refractive index n20/D 1.432(lit.) n20/D 1.432-1.434 bp 187 C(lit.) mp 60 C(lit.) density 1.036g/mLat 25 C(lit.) format neat
FAQs of 1,2-Propanediol:
Q: What is the molecular formula of 1,2-Propanediol?
A: The molecular formula of 1,2-Propanediol is C3H8O2.
Q: What is the melting point of 1,2-Propanediol?
A: The melting point of 1,2-Propanediol is -27 C.
Q: What is the molecular weight of 1,2-Propanediol?
A: The molecular weight of 1,2-Propanediol is 76.09 Grams (g).
Q: What is the purity level of 1,2-Propanediol?
A: The purity level of 1,2-Propanediol is 98%.
Q: What is the common usage of 1,2-Propanediol?
A: 1,2-Propanediol is commonly used in cosmetics and personal care products such as lotions, cleansers, and other skin treatments.
Q: How does 1,2-Propanediol compare to propylene glycol?
A: 1,2-Propanediol is chemically similar to propylene glycol but is thought to be safer for use.