Preservative

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1,3-Propanediol

1. Introduction:

INCI	CAS#	Molecular	M.W.
1,3-Propanediol	504-63-2	C₃H₈O₂	76.10

1,3-Propanediol: Biology base, reproducible, high purity, stability Analysis of Structures, no visible irritation for eye and skin. Colour less, Odor less, hygroscopicity of viscous liquid .

2. Application:

Polytrimethylene terephthalate（PTT), drug intermediate & New Antioxidant, chain extender in polyurethane

Cosmetics, pesonal care products, solvent, antifreeze

3. Specifications:

Content of 1,3-Propanediol（GC area%）	Min 99.8
Color（Hazen/APHA）	Max.10
Water（ppm）	Max.1000
Heavy Metals(wt%）	Max. 0.001

4. Package：

200kg/drum

5. Shelf life:

12month

6. Storage:

under shady ,dry, and sealed conditions, fire prevention.