Industrial chemicals · Taylor, TX
Certificate of Analysis

Sample Certificate of Analysis

Methyl Isobutyl Ketone (MIBK) ACS Grade

ACS Grade

Category
Hydrocarbon & Oxygenated Solvents (A)
Revision
1.5

Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.

CAS number
108-10-1
Structure
2D chemical structure of Methyl Isobutyl Ketone (MIBK) ACS Grade
Structure · PubChem
Grade
ACS Grade
Assay specification
Min. 98.5%
Answer summary

Sample specification reference for Methyl Isobutyl Ketone (MIBK) ACS Grade. Source-record results are reference values, not measurements for your lot.

Last reviewed 2026-06-18 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).

Specifications

ParameterSpecificationSource reference resultTest Method
Assay (C6H12O)Min. 98.5%99.7 %—
Titrable Acid0.002 meq/g max0.00018 meq/g—
Residue After Evaporation0.005% max0.00051 %—
Water0.1 % max0.012 %—
Identification (Infrared Spectrum)Conforms to reference spectrumPasses testFTIR / ASTM E1252
Distillation Range115.0 - 117.0 °C115.8 °CASTM D1078
Specific Gravity @ 20/20 °C0.798 - 0.8020.800ASTM D4052 / digital densitometer
Refractive Index @ 20 °C (n20/D)1.3940 - 1.39701.3956ASTM D1218 / Abbe refractometer
Substances Darkened by Sulfuric AcidPasses testPasses testACS visual comparison test

Specification limits and source-record results are reproduced from the current product reference used by the TDS. This sample is not an issued certificate and does not identify a tested lot. Contact Alliance Chemical with the product and lot number for lot-specific documentation.

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ProductMethyl Isobutyl Ketone (MIBK) ACS Grade