|
specification |
|
properties |
index |
|
content,wt.% |
≥99.5 |
|
color (pt-co) |
≤10 |
|
odor |
no odor |
|
moisture,wt.% |
≤0.2 |
|
chloride (nacl),ppm |
≤8 |
|
sulfate (na2so4),ppm |
≤8 |
|
arsenic content (as),ppm |
≤1 |
|
heavy metal (pb),ppm |
≤5 |
|
iron content,ppm |
≤1 |
|
|
description |
chemical name: 1,2-1,2-propanediol(pharmaceutical grade)
molecular formula: c3h8o2
molecular weight: 76
properties: colorless, clear and viscous liquid, no odor, has a little sweet taste. soluble in water, ethyl alcohol and many organic solvents.
uses: as raw material for unsaturated polyester resin, plasticizer, surfactant, emulsifier. it can also be used as midew preventive, preservative, foaming agent, antifreezing agent and tobacco wetting agent.
|