Industrial chemicals · Taylor, TXTechnical Data Sheet
Technical Data Sheet
Methyl Isobutyl Ketone (MIBK) ACS Grade
ACS Grade
- CAS number
- 108-10-1
- UN number
- UN1245
- Hazard class · packing group
- 3 · PG II
- Structure
Structure · PubChem - Grade
- ACS Grade
- Signal word
- Danger
- Hazards
- Proper shipping name
- Methyl isobutyl ketone
Last reviewed 2026-06-18 by Andre Taki, Chief Commercial Officer.
Identity & Composition
- Product Name
- Methyl Isobutyl Ketone (MIBK) ACS Grade
- Alliance Code
- methyl-isobutyl-ketone-mibk-acs-grade
- Grade
- ACS Grade
- Concentration
- —
- CAS Number
- 108-10-1PubChem
- Formula
- C6H12OPubChem
- Molecular Weight
- 100.16PubChem
- Product Type
- Pure substance
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay (C6H12O) | Min. 98.5% | 99.7 % | — | Interpreted |
| Titrable Acid | 0.002 meq/g max | 0.00018 meq/g | — | Interpreted |
| Color, APHA | 15 max | 5 | — | Interpreted |
| Residue After Evaporation | 0.005% max | 0.00051 % | — | Interpreted |
| Water | 0.1 % max | 0.012 % | — | Interpreted |
| Identification (Infrared Spectrum) | Conforms to reference spectrum | Passes test | FTIR / ASTM E1252 | Interpreted |
| Distillation Range | 115.0 - 117.0 °C | 115.8 °C | ASTM D1078 | Interpreted |
| Substances Darkened by Sulfuric Acid | Passes test | Passes test | ACS visual comparison test | Interpreted |
Values are reproduced from the current product reference. Source labels do not by themselves establish a supplier guarantee or a test result for your lot. Confirm applicable acceptance limits and request lot-specific documentation.
Available GradesSame CAS, alternate grades and concentrations
| Grade | Concentration | Typical Assay | SKU | TDS |
|---|---|---|---|---|
| This grade ACS Grade | — | — | current | current |
| Technical Grade | — | — | methyl-isobutyl-ketone-mibk-technical-grade | View TDS → |
Typical assay shown is the rolling-window mean from the sibling product's most recent lots. Grade selection drives downstream end-use — verify the sibling grade matches your specification before substitution.
Physical & Chemical Properties
One or more physical-property values are temporarily suppressed pending verification against vendor COA data. For complete properties refer to the Safety Data Sheet (SDS) or contact sales@alliancechemical.com.
| Property | Value | Source |
|---|---|---|
| Appearance | Clear, volatile liquid with sharp ketone odor | Adjudicated |
| Form | Liquid | Published reference |
| Odor | Sweet, camphor-like | Adjudicated |
| Specific Gravity | 0.798–0.802 at 20 °C (water = 1) | Adjudicated |
| Density | 0.802 at 68 °F (USCG, 1999) - Less dense than water; will float | Published reference |
| Boiling Point | 115–117 °C (239–243 °F) | Adjudicated |
| Melting Point | -84 °C (-119 °F) | Adjudicated |
| Flash Point | 14–17 °C (57–63 °F), closed cup | Adjudicated |
| Vapor Pressure | 15–16 mmHg (20–21.5 hPa) at 20 °C | Adjudicated |
| Vapor Density | 3.45 (air = 1) | Adjudicated |
| Solubility (water) | Slightly soluble in water (17–20 g/L at 20 °C); miscible with alcohols, ethers and most organic solvents | Adjudicated |
| Refractive Index (nD 20) | 1.3940 - 1.3970 | Interpreted |
| Viscosity | 0.6 mPa·s at 20 °C | Adjudicated |
Polar solvent — purity vs. intended end-use (electronics, pharma, general industrial) is the dominant grade consideration. See application guidance for grade selection.
Materials of ConstructionService envelope ≈ 100%
| Material | Rating | Max T (°C) | Notes | Source |
|---|---|---|---|---|
Buna-N (NBR) elastomer | Fair | 60 | Acceptable for alcohols; poor for ketones. | Parker O-ring Chemical Compatibility |
EPDM elastomer | Fair | — | Good for alcohols, poor for esters | Cole-Parmer Chemical Compatibility |
Viton (FKM) elastomer | Fair | 80 | Swells in acetone and esters; avoid for those. | Parker O-ring Chemical Compatibility |
FFKM (Kalrez) fluoropolymer | Excellent | 200 | Premium ester / ketone sealing | Cole-Parmer Chemical Compatibility |
PTFE fluoropolymer | Excellent | 200 | Universal solvent compatibility. | Cole-Parmer Chemical Compatibility |
Borosilicate Glass glass ceramic | Excellent | 100 | Universally inert. | Cole-Parmer Chemical Compatibility |
316L Stainless Steel metal | Excellent | 80 | Inert; preferred for high-purity solvent service. | Cole-Parmer Chemical Compatibility |
Aluminium metal | Good | 40 | Acceptable; avoid prolonged wet contact | Cole-Parmer Chemical Compatibility |
Carbon Steel metal | Fair | 50 | Trace moisture causes rust; flash-rust prevention required. | Cole-Parmer Chemical Compatibility |
HDPE thermoplastic | Fair | 40 | Swells with many polar solvents; verify per solvent. | Cole-Parmer Chemical Compatibility |
PP thermoplastic | Good | 50 | Acceptable but watch swelling with esters | Cole-Parmer Chemical Compatibility |
PVC thermoplastic | Fair | 25 | Esters soften PVC; avoid for esters | Cole-Parmer Chemical Compatibility |
Ratings reflect the service envelope (concentration × temperature) shown. Always confirm against your specific duty cycle and contact-time before equipment selection. The most cautious rating across overlapping references is shown.
Materials Selection Tool
Showing 12 of 12 material ratings within the selected envelope.
| Material | Rating | Max T (°C) | Notes |
|---|---|---|---|
Buna-N (NBR) elastomer | Fair | 60 | Acceptable for alcohols; poor for ketones. |
EPDM elastomer | Fair | — | Good for alcohols, poor for esters |
Viton (FKM) elastomer | Fair | 80 | Swells in acetone and esters; avoid for those. |
FFKM (Kalrez) fluoropolymer | Excellent | 200 | Premium ester / ketone sealing |
PTFE fluoropolymer | Excellent | 200 | Universal solvent compatibility. |
Borosilicate Glass glass ceramic | Excellent | 100 | Universally inert. |
316L Stainless Steel metal | Excellent | 80 | Inert; preferred for high-purity solvent service. |
Aluminium metal | Good | 40 | Acceptable; avoid prolonged wet contact |
Carbon Steel metal | Fair | 50 | Trace moisture causes rust; flash-rust prevention required. |
HDPE thermoplastic | Fair | 40 | Swells with many polar solvents; verify per solvent. |
PP thermoplastic | Good | 50 | Acceptable but watch swelling with esters |
PVC thermoplastic | Fair | 25 | Esters soften PVC; avoid for esters |
Regulatory & Transport
DOT / 49 CFR
- UN Number
- UN124549 CFR 172.101
- Hazard Class
- 3Adjudicated
- Packing Group
- IIAdjudicated
- Proper Shipping Name
- Methyl isobutyl ketoneAdjudicated
GHS / OSHA HCS 2024
- Signal Word
- DangerAdjudicated
- H-Codes (Hazard Statements)
- EUH066, H225, H319, H332, H335, H351Adjudicated
- P-Codes (Precautionary Statements)
- P201, P202, P210, P233, P240, P241, P242, P243, P260, P261, P264, P271, P280, P303+P361+P353, P304+P340, P305+P351+P338, P308+P313, P312, P337+P313, P370+P378, P403+P233, P403+P235, P405, P501Adjudicated
Occupational Exposure Limits
- OSHA PEL (29 CFR 1910.1000)
- 100 ppm TWAOSHA 29 CFR 1910.1000
- ACGIH TLV
- 20 ppm TWA; 75 ppm STEL (A3: confirmed animal carcinogen with unknown relevance to humans)Adjudicated
- NIOSH REL
- 50 ppm TWA / 75 ppm STELNIOSH Pocket Guide
- NIOSH IDLH
- 500 ppmNIOSH Pocket Guide
Transport descriptions reflect 49 CFR 172.101 lookup at time of publication. Sourced data: NIOSH Pocket Guide for REL/IDLH, OSHA Z-Tables for PEL. Always verify against the latest regulatory text before shipment-critical decisions.
Health & Fire Hazard
Acute Toxicology
- LD₅₀ Oral (rat)
- 2,080 mg/kg (rat)Adjudicated
- LD₅₀ Dermal (rabbit)
- > 3,000 mg/kgAdjudicated
- LC₅₀ Inhalation (rat, 4 h)
- 8.2–16.4 mg/L (2,000–4,000 ppm), vaporAdjudicated
Acute toxicology values from SDS Section 11 or NIOSH RTECS.
Supplier Qualification Packet
One zipped download containing the TDS, SDS, latest lot COA (when available), and a fresh Letter of Continuing Guaranty for Methyl Isobutyl Ketone (MIBK) ACS Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
Applications
- Solvent in manufacturing processes for lacquers and nitrocellulose, and for a number of polymers and resinslabdepotinc.com
- High-purity laboratory use, where ACS reagent specifications are the de facto quality standardlabdepotinc.com
- Active solvent for synthetic resins including cellulosics, vinyl copolymers, acrylics, alkyds, polyesters and epoxiesproductcatalog.eastman.com
- Solvent for inks, coatings and adhesives; extraction agent in dewaxing and deoiling of petroleum productsproductcatalog.eastman.com
- Extraction agent in the dewaxing and deoiling of petroleum products.productcatalog.eastman.com
- Used in manufacturing germicides, fungicides, pharmaceuticals, and electroplating solutions.productcatalog.eastman.com
- Denaturant in ethanol formulations.productcatalog.eastman.com
Applications are drawn from published manufacturer and supplier documentation; each is sourced. Suitability for a specific use is the buyer's to confirm.
Storage & Handling
- Recommended Storage
- Keep tightly closed in a cool, well-ventilated flammables area out of sunlight, away from ignition sources and oxidizers. Store locked up. Ground and bond containers.Adjudicated
- Handling Precautions
- Use chemical-resistant gloves and splash goggles. Bond and ground during transfer to prevent static accumulation. Eliminate ignition sources within vapor envelope.Class-level guidance — not product-specific; the SDS controls.
- Incompatibilities
- Strong oxidizing agents; strong reducing agents; strong bases.Adjudicated
- Shelf Life
- Consult Technical Services for product-specific shelf life
For full hazard, PPE, and emergency response guidance, refer to the Safety Data Sheet (SDS) for this product. The SDS controls in all cases where guidance differs.
Packaging & Logistics
Shipping Description (US DOT)
UN1245, Methyl isobutyl ketone, 3, PG II
Sourced from 49 CFR 172.101. Confirm against shipping documents and carrier requirements before tender.
NMFC Class
70
Placard
Flammable Liquid
Packing Group
PG II
Revision History
Last reviewed 2026-06-18 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
| Version | Date | Change | Trigger |
|---|---|---|---|
| 1.5 | 2026-10-08 | Canonical data updated: 27 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.4 | 2026-09-30 | Canonical data updated: 4 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.3 | 2026-08-05 | Canonical data updated: 2 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.2 | 2026-07-22 | Canonical data updated: 1 field changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.1 | 2026-06-18 | Canonical data re-verified: 5 fields updated against independent vendor SDSs, CLP Annex VI, 49 CFR, and OSHA HazCom 2024 (GHS classification, hazard/precautionary codes, signal word, physical properties as applicable).
| canonical_change |
| 1.0 | 2026-05-20 | Initial URL-first TDS published from canonical chemistry registry. | initial |
This Technical Data Sheet is provided for technical reference. The Safety Data Sheet (SDS) controls in all cases where guidance differs. Values reflect Alliance Chemical canonical data at time of generation; subsequent revisions are recorded in the Revision History above.