Methyl n-Propyl Ketone (MPK)

Certificate #: TYP-METHYLNPROPY
Lot Number: TYPICAL SAMPLE
Test Date: 2026-06-02
Category: Hydrocarbon & Oxygenated Solvents (A)
CAS Number: 107-87-9
Formula: C5H10O
Computed Assay: 99.80%(100 − Σ impurities)

Sample COA. Lot-specific COAs ship with each order.

Specifications

Parameter	Specification	Typical Result	Test Method
Assay (GC-FID)	99.5 – 100.5 %	99.8 %	GC-FID
Acidity (as acetic)	≤ 0.02 %	0.006 %	Titration per ACS/USP
Aldehydes	≤ 0.5 %	0.14 %	Per specification
Appearance/Odor	—	—	Visual Inspection
Color (APHA)	≤ 15 APHA	5 APHA	ASTM D1209
DEG Content	≤ 0.2 %	0.06 %	GC
Free Acid	≤ 0.02 %	0 %	Titration
Specific Gravity @20°C	0.804 – 0.8484 g/mL	0.808 g/mL	Hydrometer @ 25°C
Water (Karl Fischer)	≤ 0.05 %	0.01 %	ASTM E203 / ISO 6296

Generated 2026-06-02. Values are representative of typical production lots and reflect the published specification range. Lot-specific COAs are provided with every shipment.