Technical Data Sheet
ACS Reagent
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay (sum of 5 isomers, total hexanes, plus methylcyclopentane) | min. 98.5 % | 99.6 % | Gas chromatography (GC) | Interpreted |
| Color (APHA) | 10 max. | 5 | — | Interpreted |
| n-Hexane | 45.0% min. | 56.7 % | — | Interpreted |
| Residue After Evaporation | 0.001% max. | 0.00021 % | — | Interpreted |
| Sulfur Compounds (as S) | 0.005% max. | 0.000023 % | — | Interpreted |
| Thiophene | To Pass Test | Passes test | — | Interpreted |
| Water Soluble Titratable Acid | 0.0003 meq/g max. | 0.000010 meq/g | — | Interpreted |
| Substances Darkened by Sulfuric Acid | To Pass Test | Passes test | ACS monograph procedure (sulfuric acid shake test), visual comparison | Interpreted |
| Distillation Range | 62 - 70 C | 66 C | ASTM D1078 | 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.
| Grade | Concentration | Typical Assay | SKU | TDS |
|---|---|---|---|---|
| This grade ACS Reagent | — | — | current | current |
| Technical Grade | — | — | hexane-technical-grade-1 | 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.
| Property | Value | Source |
|---|---|---|
| Appearance | Clear, volatile light hydrocarbon liquid | Adjudicated |
| Form | Liquid | Published reference |
| Odor | Gasoline-like (petroleum distillate) odor | Adjudicated |
| Specific Gravity | 0.659 at 25 °C (water = 1) | Adjudicated |
| Density | 0.659 at 68 °F (USCG, 1999) - Less dense than water; will float | Published reference |
| Boiling Point | 69 °C (156 °F) at 760 mmHg | Adjudicated |
| Melting Point | -95 °C (-139 °F) | Adjudicated |
| Flash Point | -22 °C (-8 °F), closed cup | Adjudicated |
| Vapor Pressure | 160–176 hPa (120–132 mmHg) at 20 °C | Adjudicated |
| Vapor Density | 2.97 (air = 1) | Adjudicated |
| Solubility (water) | Practically insoluble in water (about 0.01 g/L) | Adjudicated |
| Refractive Index (nD 20) | 1.372 - 1.380 | Interpreted |
| Viscosity | 0.31 mPa·s at 20 °C | Adjudicated |
| Material | Rating | Max T (°C) | Notes | Source |
|---|---|---|---|---|
Buna-N (NBR) elastomer | Good | 80 | Good for non-aromatic hydrocarbons; poor for aromatics. | Parker O-ring Chemical Compatibility |
EPDM elastomer | Not recommended | — | Swells in hydrocarbons; never use. | Parker O-ring Chemical Compatibility |
Viton (FKM) elastomer | Excellent | 100 | Standard for hydrocarbon service. | Parker O-ring Chemical Compatibility |
PTFE fluoropolymer | Excellent | 200 | Universal. | Cole-Parmer Chemical Compatibility |
316L Stainless Steel metal | Excellent | 100 | Inert. | Cole-Parmer Chemical Compatibility |
Carbon Steel metal | Good | 80 | Acceptable for dry hydrocarbons. | Cole-Parmer Chemical Compatibility |
HDPE thermoplastic | Not recommended | — | Aromatic solvents swell and dissolve HDPE. | 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.
Showing 7 of 7 material ratings within the selected envelope.
| Material | Rating | Max T (°C) | Notes |
|---|---|---|---|
Buna-N (NBR) elastomer | Good | 80 | Good for non-aromatic hydrocarbons; poor for aromatics. |
EPDM elastomer | Not recommended | — | Swells in hydrocarbons; never use. |
Viton (FKM) elastomer | Excellent | 100 | Standard for hydrocarbon service. |
PTFE fluoropolymer | Excellent | 200 | Universal. |
316L Stainless Steel metal | Excellent | 100 | Inert. |
Carbon Steel metal | Good | 80 | Acceptable for dry hydrocarbons. |
HDPE thermoplastic | Not recommended | — | Aromatic solvents swell and dissolve HDPE. |
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.
Acute toxicology values from SDS Section 11 or NIOSH RTECS.
One zipped download containing the TDS, SDS, latest lot COA (when available), and a fresh Letter of Continuing Guaranty for Hexane ACS Reagent Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
Cross-references are informational. Confirm against the manufacturer's current specification before substitution. Competitor trademarks are property of their respective owners.
Laboratory and analytical solvent (ACS reagent): extraction, chromatography and spectroscopy.Adjudicated
Restrictions on Use: For industrial, professional and laboratory use. Do not use for cleaning or degreasing in poorly ventilated spaces: repeated n-hexane exposure damages the peripheral nerves.
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.
UN1208, Hexanes, 3, PG II
Sourced from 49 CFR 172.101. Confirm against shipping documents and carrier requirements before tender.
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 | 2026-10-07 | Canonical data updated: 20 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: 4 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.2 | 2026-07-22 | Canonical data updated: 2 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.1 | 2026-06-18 | Canonical data re-verified: 3 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.