Industrial chemicals · Taylor, TXTechnical Data Sheet
Tert Butyl Acetate (TBA) Technical Grade
Technical
- CAS number
- 540-88-5
- UN number
- UN1123
- Hazard class · packing group
- 3 · PG II
- Structure
Structure · PubChem - Grade
- Technical
- Signal word
- Danger
- Hazards
- Proper shipping name
- Butyl acetates
Identity & Composition
- 製品名
- Tert Butyl Acetate (TBA) Technical Grade
- Alliance Code
- tert-butyl-acetate-tba
- Grade
- Technical
- 濃度
- —
- CAS番号
- 540-88-5PubChem
- 化学式
- C6H12O2PubChem
- 分子量
- —PubChem
- 製品種別
- pure_substance
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay / GC purity (tert-butyl acetate) | 99.5 wt. %, min. | 99.8 wt. % | Internal Method | Interpreted |
| 2,4,4-three Methyl 1 Pentene | Less than 0.2% | Passes test | — | Interpreted |
| Evaporation residue | No more than 0.002% | 0.0005% | — | Interpreted |
| Tertiary Butyl Alcohol | Less than 0.2% | Passes test | — | Interpreted |
| Water | 0.05 wt. %, max. | 0.015 wt. % | ASTM E-203 | Interpreted |
| Acidity (as acetic acid) | 0.01 wt. %, max. | 0.003 wt. % | ASTM D-1613 | 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
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 | 値 | Source |
|---|---|---|
| 外観 | Colorless and transparent | Interpreted |
| Form | Liquid | Published reference |
| 臭い | Characteristic ester odour; free of foreign odour | Interpreted |
| pH | 6 ~ 7 | Interpreted |
| Density | 0.860 ~ 0.866 g/cm3 (Water=1) | Interpreted |
| 沸点 | 95.0 - 98.5 °C | Interpreted |
| 融点 | '-5°C | Published reference |
| 引火点 | Report (typical -9 °C / 16 °F) | Interpreted |
| 蒸気圧 | 47.0 [mmHg] | Published reference |
| Solubility (water) | Insoluble (NIOSH, 2024) | Published reference |
| Refractive Index (nD 20) | 1.384 - 1.388 | Interpreted |
Polar solvent — purity vs. intended end-use (electronics, pharma, general industrial) is the dominant grade consideration. See application guidance for grade selection.
Materials of Construction
| 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
- IIAdjudicated
- Proper Shipping Name
- Butyl acetatesAdjudicated
GHS / OSHA HazCom 2012
- 注意喚起語
- DangerAdjudicated
- H-Codes (Hazard Statements)
- H225Adjudicated
- P-Codes (Precautionary Statements)
- P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, P501Adjudicated
許容濃度
- OSHA PEL (29 CFR 1910.1000)
- —no canonical
- ACGIH TLV
- —no canonical
- NIOSH REL
- —no canonical
- NIOSH IDLH
- —no canonical
Transport descriptions reflect 49 CFR 172.101 lookup at time of publication. Sourced data: ECHA CLP Annex VI for harmonised classifications, NIOSH Pocket Guide for REL/IDLH, OSHA Z-Tables for PEL. Always verify against the latest regulatory text before shipment-critical decisions.
Supplier Qualification Packet
One zipped download containing the TDS, SDS, latest lot COA (when available), and a fresh Letter of Continuing Guaranty for Tert Butyl Acetate (TBA) Technical Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
Applications
- VOC-exempt solvent used in lacquers, enamels, inks, adhesives, thinners and industrial cleanerschemceed.com
- Enhances compatibility with nitrocellulose, acrylic, alkyd, polyester and polyurethane resins, and works synergistically with other oxygen-containing solventschemceed.com
- Industrial solvent uses including chlorinated-solvent alternative, adhesives and cements, baking enamels, circuit board cleaners, degreasers, inks, lacquers, MEK/MIBK alternative, paint and coatingschemceed.com
- Excellent solvency for nitrocellulose, acrylic, alkyd, polyester and urethane resinsshilpachemspec.com
- Substitute for HAP and VOC solvents including toluene, xylene, esters, ketones and hydrocarbonsshilpachemspec.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
- Cool, well-ventilated flammable-liquid storage area. Tightly sealed original containers. Segregate from oxidizers and acids. Bond and ground bulk storage.Class-level guidance — not product-specific; the SDS controls.
- 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 oxidizers, strong acids, isocyanates, anhydrides. Hygroscopic — protect from atmospheric moisture for water-sensitive end uses.Class-level guidance — not product-specific; the SDS controls.
- 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 II
Sourced from 49 CFR 172.101. Confirm against shipping documents and carrier requirements before tender.
Revision History
Last reviewed 2026-07-17 by Andre Taki, DOT Hazmat Specialist.
| Version | Date | Change | Trigger |
|---|---|---|---|
| 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 | 2026-07-17 | Canonical data re-verified: 6 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.