Industrial chemicals · Taylor, TX
Technical Data Sheet

Technical Data Sheet

Isopropyl Acetate 99.98% ACS Grade

ACS Grade · 99.98%

Alliance Code
isopropyl-acetate-99-98-acs-grade
Reviewed
2026-07-17
Revision
1.7
CAS number
108-21-4
UN number
UN1220
Hazard class · packing group
3 · PG II
Structure
2D chemical structure of Isopropyl Acetate 99.98% ACS Grade
Structure · PubChem
Grade
ACS Grade · 99.98%
Signal word
Danger
Hazards
FlammableIrritant / harmfulH225 H319 H336
Proper shipping name
Isopropyl acetate
Last reviewed 2026-07-17 by Andre Taki, Chief Commercial Officer.

Identity & Composition

Product Name
Isopropyl Acetate 99.98% ACS Grade
Alliance Code
isopropyl-acetate-99-98-acs-grade
Grade
ACS Grade
Concentration
99.98%
CAS Number
108-21-4PubChem
Formula
—PubChem
Molecular Weight
102.13PubChem
Product Type
Solution
IUPAC Name
propan-2-yl acetatePubChem
InChI-Key
JMMWKBVZLWUJPJ-UHFFFAOYSA-NPubChem
SMILES
CC(C)OC(=O)CPubChem
Pharmacopoeia Compliance:ACS

Specifications

TestSpecificationTypicalMethodSource
Assay (isopropyl acetate)99.5 % min.99.88 %GCInterpreted
Acidity (as acetic acid)0.005 wt % max.0.00078 wt %—Interpreted
Color (Pt-Co)5 max.2—Interpreted
Copper (Cu)0.02 ppm max.0.0018 ppm—Interpreted
IdentificationConformsPasses testFTIRInterpreted
Iron (Fe)0.1 ppm max.0.017 ppm—Interpreted
Nickel (Ni)0.02 ppm max.0.0014 ppm—Interpreted
Lead (Pb)0.1 ppm max.0.0039 ppm—Interpreted
Non-volatile matter0.002 % max.0.00026 %—Interpreted
Water0.05 % max.0.012 %Karl FischerInterpreted
Isopropanol (free alcohol)0.1 % max.0.007 %GC-FID (ASTM D3545)Interpreted
Substances darkened by sulfuric acidPasses testPasses testACS reagent methodInterpreted
Distillation range (760 mm Hg)87 - 90 °C88.5 °CASTM D1078Interpreted

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

GradeConcentrationTypical AssaySKUTDS
This grade ACS Grade99.98%—currentcurrent
Technical99.98%—isopropyl-acetate-99-98View 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

PropertyValueSource
AppearanceColorless, volatile liquidAdjudicated
FormLiquidPublished reference
OdorSweet, fruity ester odorAdjudicated
Specific Gravity0.872 at 20 °C (water = 1)Adjudicated
Density0.874 at 68 °F (USCG, 1999) - Less dense than water; will floatPublished reference
Boiling Point89 °C (192 °F)Adjudicated
Melting Point-73 °C (-100 °F)Adjudicated
Flash Point2–5 °C (36–41 °F), closed cupAdjudicated
Vapor PressureAbout 48 mmHg (6.5 kPa) at 20–21 °CAdjudicated
Vapor Density3.5 (air = 1)Adjudicated
Solubility (water)Slightly soluble in water (about 31 g/L at 20 °C); miscible with most organic solventsAdjudicated
Refractive Index (nD 20)1.376 - 1.378Interpreted
ViscosityAbout 0.5 mPa·s at 25 °CAdjudicated

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 ≈ 99.98%

MaterialRatingMax T (°C)NotesSource
Buna-N (NBR)
elastomer
Fair60Acceptable for alcohols; poor for ketones.Parker O-ring Chemical Compatibility
EPDM
elastomer
Fair—Good for alcohols, poor for estersCole-Parmer Chemical Compatibility
Viton (FKM)
elastomer
Fair80Swells in acetone and esters; avoid for those.Parker O-ring Chemical Compatibility
FFKM (Kalrez)
fluoropolymer
Excellent200Premium ester / ketone sealingCole-Parmer Chemical Compatibility
PTFE
fluoropolymer
Excellent200Universal solvent compatibility.Cole-Parmer Chemical Compatibility
Borosilicate Glass
glass ceramic
Excellent100Universally inert.Cole-Parmer Chemical Compatibility
316L Stainless Steel
metal
Excellent80Inert; preferred for high-purity solvent service.Cole-Parmer Chemical Compatibility
Aluminium
metal
Good40Acceptable; avoid prolonged wet contactCole-Parmer Chemical Compatibility
Carbon Steel
metal
Fair50Trace moisture causes rust; flash-rust prevention required.Cole-Parmer Chemical Compatibility
HDPE
thermoplastic
Fair40Swells with many polar solvents; verify per solvent.Cole-Parmer Chemical Compatibility
PP
thermoplastic
Good50Acceptable but watch swelling with estersCole-Parmer Chemical Compatibility
PVC
thermoplastic
Fair25Esters soften PVC; avoid for estersCole-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.

MaterialRatingMax T (°C)Notes
Buna-N (NBR)
elastomer
Fair60Acceptable for alcohols; poor for ketones.
EPDM
elastomer
Fair—Good for alcohols, poor for esters
Viton (FKM)
elastomer
Fair80Swells in acetone and esters; avoid for those.
FFKM (Kalrez)
fluoropolymer
Excellent200Premium ester / ketone sealing
PTFE
fluoropolymer
Excellent200Universal solvent compatibility.
Borosilicate Glass
glass ceramic
Excellent100Universally inert.
316L Stainless Steel
metal
Excellent80Inert; preferred for high-purity solvent service.
Aluminium
metal
Good40Acceptable; avoid prolonged wet contact
Carbon Steel
metal
Fair50Trace moisture causes rust; flash-rust prevention required.
HDPE
thermoplastic
Fair40Swells with many polar solvents; verify per solvent.
PP
thermoplastic
Good50Acceptable but watch swelling with esters
PVC
thermoplastic
Fair25Esters soften PVC; avoid for esters

Regulatory & Transport

DOT / 49 CFR

UN Number
UN122049 CFR 172.101
Hazard Class
3Adjudicated
Packing Group
IIAdjudicated
Proper Shipping Name
Isopropyl acetateAdjudicated

GHS / OSHA HCS 2024

Signal Word
DangerAdjudicated
H-Codes (Hazard Statements)
H225, H319, H336Adjudicated
P-Codes (Precautionary Statements)
P210, P233, P240, P241, P242, P243, P261, P264, P271, P280, P303+P361+P353, P304+P340, P305+P351+P338, P312, P337+P313, P370+P378, P403+P233, P403+P235, P405, P501Adjudicated

Occupational Exposure Limits

OSHA PEL (29 CFR 1910.1000)
250 ppm TWAOSHA 29 CFR 1910.1000
ACGIH TLV
100 ppm TWA / 200 ppm STELAdjudicated
NIOSH REL
—no canonical
NIOSH IDLH
1,800 ppmAdjudicated

Regional Classifications

EC Number (EU EINECS)
203-561-1Web SDS consensus
REACH SVHC
Not listedWeb SDS consensus
California Prop 65
Not listedWeb SDS consensus
WGK Water Hazard (DE)
1Web SDS consensus
TDG Classification (Canada)
un1220, class 3, pg iiWeb SDS consensus

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

NFPA 704

130
  • Health:1Web SDS consensus
  • Fire:3Web SDS consensus
  • Reactivity:0Web SDS consensus
  • Specific: —

HMIS III

Health1Web SDS consensus
Flammability3Web SDS consensus
Physical Hazard0Web SDS consensus
PPEBWeb SDS consensus

Acute Toxicology

LD₅₀ Oral (rat)
3,000–6,750 mg/kg (rat)Adjudicated
LD₅₀ Dermal (rabbit)
> 17,400 mg/kgAdjudicated
LC₅₀ Inhalation (rat, 4 h)
50.6 mg/L (rat, 8 h)Adjudicated

NFPA 704 ratings 0 (no hazard) – 4 (severe hazard) per NFPA 704 standard. HMIS III ratings 0 – 4 per the American Coatings Association. 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 Isopropyl Acetate 99.98% ACS Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.

Download audit packet

Catalog EquivalentsCross-reference vs major chemical suppliers

Sigma-Aldrich

SKUGradeConc.MatchNotes
109584ACS reagent≥99.5%Unverified candidateSame ACS reagent grade.

Cross-references are informational. Confirm against the manufacturer's current specification before substitution. Competitor trademarks are property of their respective owners.

Applications

  • General-purpose fast-evaporating solvent, miscible with most common organic solvents, with properties between ethyl and butyl acetatestobec.com
  • Active solvent for synthetic resins including cellulose acetate butyrate, nitrocellulose, vinyl copolymers, polyesters, polyamides, acrylics and alkydsstobec.com
  • Solvent in coatings: automotive OEM and refinish, can and coil, general industrial, industrial maintenance and marine, industrial wood, transportationstobec.com
  • Fragrance carrier in cosmetics and personal care, and solvent in flexographic and gravure printing inksstobec.com
  • Solvent for cellulose, plastics, oils and fats; component of some printing inks and perfumescorecheminc.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 away from ignition sources, oxidizers, acids and bases. 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 acids and bases (hydrolysis).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)

UN1220, Isopropyl acetate, 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 2026-07-17 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).

VersionDateChangeTrigger
1.72026-10-08Canonical data updated: 23 fields changed via the provenance/adjudication pipeline.
  • synonyms· canonical change (coa.data_provenance / adjudication)
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canonical_change
1.62026-10-07Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
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canonical_change
1.52026-10-05Canonical data updated: 2 fields changed via the provenance/adjudication pipeline.
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canonical_change
1.42026-09-30Canonical data updated: 4 fields changed via the provenance/adjudication pipeline.
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canonical_change
1.32026-08-05Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
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canonical_change
1.22026-07-22Canonical data updated: 1 field changed via the provenance/adjudication pipeline.
  • dotSubsidiaryHazardClass· canonical change (coa.data_provenance / adjudication)
canonical_change
1.12026-07-17Canonical data re-verified: 25 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).
  • acs_compliance· canonical adjudication / reground (coa.data_provenance)
  • countryOfOrigin· canonical adjudication / reground (coa.data_provenance)
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  • hmis_flammability· canonical adjudication / reground (coa.data_provenance)
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canonical_change
1.02026-05-20Initial 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.