Industrial chemicals · Taylor, TXTechnical Data Sheet
Technical Data Sheet
N-Butyl Acetate Technical Grade
Technical
- CAS number
- 123-86-4
- UN number
- UN1123
- Hazard class · packing group
- 3 · PG III
- Structure
Structure · PubChem - Grade
- Technical
- Signal word
- Warning
- Hazards
- Proper shipping name
- Butyl acetates
Last reviewed 2026-06-18 by Andre Taki, Chief Commercial Officer.
Identity & Composition
- Product Name
- N-Butyl Acetate Technical Grade
- Alliance Code
- n-butyl-acetate
- Grade
- Technical
- Concentration
- —
- CAS Number
- 123-86-4PubChem
- Formula
- —PubChem
- Molecular Weight
- 116.16PubChem
- Product Type
- Pure substance
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Purity | 99.5 % (by weight) min | 99.80 % | GC | Interpreted |
| Acidity as Acetic Acid | 0.01 mass % max | 0.0017 mass % | ASTM D 1613 | Interpreted |
| Boiling point / distillation range @ 760 mm Hg | 124-129 °C (255-264 °F) | 126.3 °C | — | Interpreted |
| Colour | 10 APHA max | 2 | ASTM D 1209 | Interpreted |
| Distillation DP | 129 °C max | 126.7 | ASTM D 1078 | Interpreted |
| Distillation IBP | 124 °C min | 125.8 | ASTM D 1078 | Interpreted |
| Flash Point | 25 °C min | 27 °C | — | Interpreted |
| Non-Volatile Matter | 0.005 g/100 mL max | 0.00046 g/100 mL | ASTM D 1353 | Interpreted |
| Water | 0.05 wt % max. | 0.02 wt % | — | 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.
Physical & Chemical Properties
| Property | Value | Source |
|---|---|---|
| Appearance | Colorless, volatile liquid with a characteristic odor | Adjudicated |
| Form | Liquid | Published reference |
| Odor | Characteristic ester odour; free of foreign odour | Interpreted |
| pH | 6.2 (5 g/L aqueous solution, 20 °C) | Adjudicated |
| Specific Gravity | 0.878–0.883 at 20 °C (water = 1) | Adjudicated |
| Density | 0.882-0.884 | Interpreted |
| Boiling Point | 124–126 °C (255–259 °F) at 1,013 hPa | Adjudicated |
| Melting Point | -78 °C (-108 °F) | Adjudicated |
| Flash Point | 23–27 °C (73–81 °F), closed cup | Adjudicated |
| Vapor Pressure | 10–15 hPa (8–11 mmHg) at 20 °C | Adjudicated |
| Vapor Density | 4.0 (air = 1) | Adjudicated |
| Solubility (water) | 5.3 g/L in water at 20 °C (slightly soluble) | Adjudicated |
| Refractive Index (nD 20) | 1.392-1.396 | Interpreted |
| Viscosity | 0.73 mPa·s at 20 °C (0.83 mm²/s kinematic) | 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
- UN112349 CFR 172.101
- Hazard Class
- 3Adjudicated
- Packing Group
- IIIAdjudicated
- Proper Shipping Name
- Butyl acetatesAdjudicated
GHS / OSHA HCS 2024
- Signal Word
- WarningAdjudicated
- H-Codes (Hazard Statements)
- H226, H336, EUH066ECHA C&L Inventory
- P-Codes (Precautionary Statements)
- P210, P233, P240, P241, P242, P243, P261, P264, P271, P280, P303+P361+P353, P304+P340, P312, P370+P378, P403+P233, P403+P235, P405, P501ECHA C&L Inventory
Occupational Exposure Limits
- OSHA PEL (29 CFR 1910.1000)
- 150 ppm TWAOSHA 29 CFR 1910.1000
- ACGIH TLV
- 50 ppm TWA / 150 ppm STELAdjudicated
- NIOSH REL
- 150 ppm TWA / 200 ppm STELNIOSH Pocket Guide
- NIOSH IDLH
- 1700 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)
- 10,768 mg/kgAdjudicated
- LD₅₀ Dermal (rabbit)
- > 14,000 mg/kgAdjudicated
- LC₅₀ Inhalation (rat, 4 h)
- > 21 mg/L (vapor)Adjudicated
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 N-Butyl Acetate Technical Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
Applications
- Medium-boiling ester solvent; an active solvent for film-formers such as cellulose acetate butyrate, nitrocellulose, polyesters, epoxies, alkyds, vinyl copolymers and acrylic resinsproductcatalog.eastman.com
- Used in nitrocellulose lacquers, dissolving the resin and imparting good flow propertiesproductcatalog.eastman.com
- Coatings and printing-ink applications: adhesives/sealants, aerosol, aerospace, architectural, automotive OEM/refinish and coil coatings, commercial printing inks, electronic chemicalsproductcatalog.eastman.com
- Used in two-component polyurethane coatings to balance flow and drying time.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 containers tightly closed in a cool, dry, well-ventilated flammables area away from heat, sparks, open flame and direct sunlight. Ground and bond containers when transferring.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 acids, strong bases (hydrolysis), nitrates, potassium tert-butoxide.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)
UN1123, Butyl acetates, 3, PG III
Sourced from 49 CFR 172.101. Confirm against shipping documents and carrier requirements before tender.
NMFC Class
77.5
Placard
Flammable Liquid
Packing Group
PG III
Revision History
Last reviewed 2026-06-18 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
| Version | Date | Change | Trigger |
|---|---|---|---|
| 1.6 | 2026-10-13 | Canonical data updated: 1 field changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.5 | 2026-10-06 | Canonical data updated: 23 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: 1 field 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.