Industrial chemicals · Taylor, TXTechnical Data Sheet
Technical Data Sheet
Denatured Alcohol 190 Proof 3C Technical Grade
Technical · 95%
Last reviewed 2026-07-17 by Andre Taki, DOT Hazmat Specialist.
Identity & Composition
- Product Name
- Denatured Alcohol 190 Proof 3C Technical Grade
- Alliance Code
- denatured-alcohol-190-proof-3c
- Grade
- Technical
- Concentration
- 95%
- CAS Number
- 64-17-5PubChem
- Formula
- C2H6OPubChem
- Molecular Weight
- 46.07PubChem
- Product Type
- pure_substance
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Acidity (as acetic acid) | NMT 0.0025% (wt/wt) | 0.0005 % | — | Supplier specification |
| Denaturant formula compliance (SDA Formula No. 3-C) | Five gallons of isopropyl alcohol per 100 gallons of alcohol | Passes test | — | Federal regulation |
| Ethanol (190 Proof) | 95.24% (v/v) +/- 0.48% | 95.24 % | — | Supplier specification |
| Isopropanol (denaturant) | 4.76% (v/v) +/- 0.24% | 4.76 % | — | Supplier specification |
| Weight per gallon in air | 6.784 lbs @ 15.56 °C. (60 °F.) | Passes test | Not stated | Supplier specification |
| Non-volatile residue | 2.5 mg/100 ml, max. | 0.5 mg/100 ml | Gravimetric, evaporation to dryness | Interpreted |
Specification values are guaranteed limits. Typical values are representative of production lots and are not guaranteed. Lot-specific certificates of analysis ship with every order.
Available GradesSame CAS, alternate grades and concentrations
| Grade | Concentration | Typical Assay | SKU | TDS |
|---|---|---|---|---|
| This grade Technical | 95% | — | current | current |
| Technical | 95% | — | denatured-alcohol-190-proof-3a | View TDS → |
| Technical | — | — | denatured-alcohol-200-proof-3a | View TDS → |
| Technical | — | — | denatured-alcohol-200-proof-3c | 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
| Property | Value | Source |
|---|---|---|
| Appearance | Ethanol with a small amount of an adulterant added so as to be unfit for use as a beverage. | Published reference |
| Form | Liquid | Published reference |
| Color | 10 Max. | Supplier specification |
| Odor | Characteristic | Supplier specification |
| Specific Gravity (20 °C) | 0.8135-0.8155 @ 15.56°C | Supplier specification |
| Density | 0.79 at 68 °F (USCG, 1999) - Less dense than water; will float | Published reference |
| Boiling Point | 173.3 °F at 760 mmHg (NTP, 1992) | Published reference |
| Melting Point | -173.4 °F (NTP, 1992) | Published reference |
| Flash Point | 55 °F (NTP, 1992) | Published reference |
| Vapor Pressure | 40 mmHg at 66 °F ; 50 mmHg at 77 °F (NTP, 1992) | Published reference |
| Solubility (water) | greater than or equal to 100 mg/mL at 73 °F (NTP, 1992) | Published reference |
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 ≈ 95%
| 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 |
Glass (borosilicate) glass ceramic | Excellent | 100 | 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 13 of 13 materials compatible at 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. |
Glass (borosilicate) glass ceramic | Excellent | 100 | 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
- UN1987Adjudicated
- Hazard Class
- 3Adjudicated
- Packing Group
- IIAdjudicated
- Proper Shipping Name
- Alcohols, n.o.s.Adjudicated
GHS / OSHA HazCom 2012
- Signal Word
- DangerAdjudicated
- H-Codes (Hazard Statements)
- H225, H319Adjudicated
- P-Codes (Precautionary Statements)
- P210, P233, P240, P241, P242, P243, P264, P280, P303+P361+P353, P305+P351+P338, P337+P313, P403+P235, P501Adjudicated
Occupational Exposure Limits
- 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 Denatured Alcohol 190 Proof 3C Technical Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
Applications
- TTB-authorized as a solvent for cellulose and synthetic resin coatings, other coatings, and cellulose and non-cellulose plastics including resins.law.cornell.edu
- TTB-authorized in special (restricted sale) solvents, polishes, inks (including meat branding inks), wood stains, shampoos, and soaps and bath preparations.law.cornell.edu
- TTB-authorized in disinfectants, insecticides, fungicides and other biocides, embalming fluids, sterilizing and preserving solutions, industrial detergents and soaps, and cleaning solutions.law.cornell.edu
- TTB-authorized use list includes processing pectin, other food products, crude drugs, vitamins, antibiotics and medicinal chemicals — this is a formula-scoped TTB authorization, not a food-grade or pharmaceutical-grade claim.law.cornell.edu
- TTB-authorized as a raw material for ethylamines, dyes and intermediates, drugs and medicinal chemicals, organo-silicone products, other chemicals, and synthetic resins.law.cornell.edu
- TTB-authorized as a fuel, including automobile, airplane, rocket and jet fuels, proprietary heating fuels, and other fuel uses.law.cornell.edu
- TTB-authorized as a fluid in scientific instruments, brake fluids, cutting oils, and refrigerating uses.law.cornell.edu
- TTB-authorized for general laboratory and experimental use (own use only), laboratory reagents for sale, and product development and pilot plant uses.law.cornell.edu
- Use restriction: Formula 3-C may not be used to manufacture Reagent alcohol under the general-use formula of 27 CFR 20.117.law.cornell.edu
- The manufacturer's specification sheet for SDA 3C 190 Proof states the product is for further commercial manufacturing, laboratory use, or research.greenfield.com
- Manufacturer's spec sheet for SDA 3C 190 Proof lists use as a raw material for ethylamines, dyes and intermediates, drugs and medicinal chemicals, organo-silicone products, and synthetic resins.greenfield.com
- Solvent for coatings, plastics, photographic materials, explosives, soldering flux, adhesives, polishes, inks, and stains.greenfield.com
- Automobile, airplane, rocket, jet, heating, and other fuel uses.greenfield.com
- Laboratory, experimental, product-development, pilot-plant, and specialized uses.greenfield.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)
UN1987, Alcohols, n.o.s., 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, DOT Hazmat Specialist.
| Version | Date | Change | Trigger |
|---|---|---|---|
| 1.2 | 2026-07-22 | Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.1 | 2026-07-17 | 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.