57 55 6 industrial grade Propylene glycol PG

Molecular form: C3H8O2
CAS No.: 57-55-6
EINECS No.: 200-338-0
Molecular weight: 76
Boiling point: 187.9℃
Flash point: 103℃
Density: 1.036
Refraction rate: 1.4328
Melting point: <-60℃
Appearance: Transparent colorless liquid

Uses: 
PG is the raw material for preparing unsaturated polyester resin, plasticizer, surface active agent, emulsifying agent and demulsifying agent. It can also be used as mould inhibitor, antiseptic for fruit, ice inhibitor and moisture preserving agent for tobacco.

Items	Specification
	Battery Grade	High Grade	Industry Grade
PG Content %, ≥	99.5	99.5	99
Refractive index (25℃)	1.4307~1.4317	1.431~1.435	1.426~1.435
Distillation range, IBP, ≤	184.0℃	184.0℃	183.0℃
Distillation range, DP, ≤	189.0℃	190.0℃	190.0℃
Moisture wt%, ≤	0.2	0.2	0.2
Colourity (Pt-Co) APHA, ≤	10	10	16

 

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