Industrial chemicals · Taylor, TXTechnical Data Sheet
Nitric Acid 65%ACS Grade
ACS Grade · 65%
Identity & Composition
- Product Name
- Nitric Acid 65%ACS Grade
- Alliance Code
- nitric-acid-65
- Grade
- ACS Grade
- Concentration
- 65%
- CAS Number
- 7697-37-2PubChem
- Formula
- HNO3PubChem
- Molecular Weight
- 63.013PubChem
- Product Type
- solution
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay | ≥ 65% | 65 % | — | Supplier specification |
| Arsenic (As) | Max 0.0094 ppm | 0.0009 ppm | — | Derived by dilution |
| Chloride (Cl) | Max 0.47 ppm | 0.09 ppm | — | Derived by dilution |
| Heavy Metals (as Pb) | Max 0.19 ppm | 0.02 ppm | — | Derived by dilution |
| Iron (Fe) | Max 0.19 ppm | 0.03 ppm | — | Derived by dilution |
| Lead (Pb) | ≤ 0.000005% | 0.0000005 % | — | Supplier specification |
| Mercury (Hg) | Max 0.0047 ppm | 0.0002 ppm | — | Derived by dilution |
| Nickel (Ni) | Max 0.047 ppm | 0.005 ppm | — | Derived by dilution |
| Residue after Ignition | Max 4.7 ppm | 0.9 ppm | — | Derived by dilution |
| Sulfates (SO4) | ≤ 0.0001% | 0.000019 % | — | Supplier specification |
| Phosphate (PO4) | Max 0.0001 % | 0.00001 % | Molybdenum blue colorimetric | Interpreted |
| Substances reducing permanganate (as HNO2) | Max 0.0005 % | 0.00009 % | Titrimetric, KMnO4 decolorization | Interpreted |
| fluoride | 5 ppm max | 0.05 ppm | — | Supplier specification |
| oxides of nitrogen | 100 PPM max | 0.9 ppm | — | Supplier specification |
| oxidizable constituents as hno2 | 15 ppm max | 0.9 ppm | — | Supplier specification |
| non-volatiles | 0.05 % max | 0.00015 % | — | Supplier specification |
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.
Physical & Chemical Properties
| Property | Value | Source |
|---|---|---|
| Appearance | Colorless and free from suspended matter or sediment | ACS Reagent Chemicals |
| Form | Liquid | Published reference |
| Color | Max 10 | Derived by dilution |
| Odor | Characteristic choking odor | Published reference |
| Specific Gravity (20 °C) | 1.391 | Published reference |
| Density | 1.390 - 1.400 | Interpreted |
| Boiling Point | Not characterized for the 65% solution | Published reference |
| Melting Point | Not characterized for the 65% solution | Published reference |
| Vapor Pressure | 48 mmHg (NIOSH, 2024) | Published reference |
| Solubility (water) | Miscible (NIOSH, 2024) | Published reference |
Strong acid — density and vapor-pressure values shown are at 20 °C; values shift markedly with concentration and temperature. Reference concentration-temperature curves before specifying equipment.
Materials of Construction
| Material | Rating | Conditions | Source |
|---|---|---|---|
| chromium | Compatible | hot nitric acid; concentration not stated | itwreagents.com |
Compatibility is drawn from published manufacturer and supplier documentation for this product; each rating is sourced. Confirm against your specific duty cycle before equipment selection.
Materials Selection Tool
Showing 16 of 16 materials compatible at the selected envelope.
| Material | Rating | Max T (°C) | Notes |
|---|---|---|---|
Buna-N (NBR) elastomer | Poor | — | Swells and degrades |
EPDM elastomer | Good | 40 | Acceptable but FKM preferred |
Viton (FKM) elastomer | Excellent | 80 | Preferred elastomer |
PTFE fluoropolymer | Excellent | 200 | Universal acid compatibility. |
Borosilicate Glass glass ceramic | Excellent | 100 | Inert to most strong acids (avoid HF). |
Glass (borosilicate) glass ceramic | Excellent | 100 | Inert under all conditions |
316 stainless steel metal | Poor | 25 | Severe pitting; use only for vapors |
Aluminium metal | Not recommended | — | Reacts to form H2 gas |
Carbon Steel metal | Not recommended | — | Catastrophic corrosion; never use. |
Hastelloy C-276 metal | Excellent | 90 | Premium HCl alloy |
Inconel 625 metal | Good | 60 | Acceptable for dilute service |
Tantalum metal | Excellent | 100 | Best-in-class but expensive |
CPVC thermoplastic | Excellent | 90 | Preferred for elevated temperature |
FRP (vinyl ester) thermoplastic | Good | 60 | Common bulk-storage tank material |
HDPE thermoplastic | Excellent | 60 | Standard drum / IBC material |
PVC thermoplastic | Excellent | 60 | Standard piping for ambient service |
Regulatory & Transport
DOT / 49 CFR
- UN Number
- UN203149 CFR 172.101
- Hazard Class
- 8Adjudicated
- Packing Group
- IIAdjudicated
- Proper Shipping Name
- Nitric acid, other than red fuming, with at least 65 percent, but not more than 70 percent nitric acidAdjudicated
GHS / OSHA HazCom 2012
- Signal Word
- DangerAdjudicated
- H-Codes (Hazard Statements)
- EUH071, H272, H290, H314, H331Adjudicated
- P-Codes (Precautionary Statements)
- P210, P220, P234, P260, P264, P271, P280, P284, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P311, P320, P321, P363, P370+P378, P403+P233, P405, P501Adjudicated
Occupational Exposure Limits
- OSHA PEL (29 CFR 1910.1000)
- 2 ppm TWAOSHA 29 CFR 1910.1000
- ACGIH TLV
- —no canonical
- NIOSH REL
- 2 ppm TWA / 4 ppm STELNIOSH Pocket Guide
- NIOSH IDLH
- 25 ppmNIOSH Pocket Guide
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 Nitric Acid 65%ACS Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
Catalog EquivalentsCross-reference vs major chemical suppliers
Sigma-Aldrich
| SKU | Grade | Conc. | Match | Notes |
|---|---|---|---|---|
| 438073 | ACS Reagent | 70% | Exact | ACS Reagent fuming-free 70% |
Cross-references are informational. Confirm against the manufacturer's current specification before substitution. Competitor trademarks are property of their respective owners.
Applications
- Raw material in the chemical industry for producing nitrates and fertilizers, and as separating water for parting gold and silveritwreagents.com
- Used in the production of fertilizers, dyes and explosivesitwreagents.com
- Used to produce soluble metal nitratesitwreagents.com
- Analytical detection of aromatic amino acids and proteins via the xanthoprotein reactionitwreagents.com
- Professional laboratory use.labbox.es
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, dry, well-ventilated area in compatible containers (lined steel, HDPE, FRP — verify per concentration). Segregate from bases, oxidizers, metals, and cyanides.Class-level guidance — not product-specific; the SDS controls.
- Handling Precautions
- Use full PPE including face shield, acid-resistant gloves and apron. Add acid to water slowly with stirring; never reverse. Ventilation required.Class-level guidance — not product-specific; the SDS controls.
- Incompatibilities
- Bases, active metals (aluminium, zinc), cyanides, sulfides, oxidizing agents. Reacts violently with organic anhydrides.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)
UN2031, Nitric acid, other than red fuming, with at least 65 percent, but not more than 70 percent nitric acid, 8, 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 |
|---|---|---|---|
| 1.4 | 2026-08-05 | Canonical data updated: 1 field changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.3 | 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 |
| 1.2 | 2026-07-17 | Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
| 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.