1,2-Propanediol

We are 1,2-Propanediol CAS:57-55-6 manufacturer and supplier in China, Pls send inquiry of to info@nbinno.com of visit www.nbinno.com our official website should you have any interests

Synonyms:
Propane-1,2-diol
1,2-Propanediol
 
Molecular Formula: C3H8O2
Molecular Weight:  76.09440

Appearance and properties: transparent viscous liquid
Density: 1.036 g/mL at 25ºC(lit.)
Boiling point: 187ºC
Melting point: -60ºC
Flash point: 99ºC
Refractive index: n20/D 1.432(lit.)
 
Stability: Stable under normal temperatures and pressures.
Storage conditions: ventilated, low temperature and dry warehouse

use:
(±)-1,2-Propanediol is an aliphatic alcohol, which is often used as an excipient in many pharmaceutical preparations to increase the solubility and stability of the drug.

Items of Analysis Standard of Analysis Analytical method Test Results
Assay ≥99.00% DB37/T 2200 99.80%
Color (Pt-Co) ≤16 GB/T 3143 5
Moisture ≤0.20% GB/T 6283 0.058%
Density (20) g/cm3 1.035-1.040 GB/T 4472 1.038
Index of Refraction (ND20) 1.428-1.435 GB/T 6488 1.432
Acid value ≤0.02%  GB/T 14827 0.002%
Boiling range 183-190℃ GB/T 7534 186-189℃
Conclusion Conforms to HG/T 5392-2018 Standard
 

1,2-Propanediol


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