Industrial chemicals · Taylor, TXTechnical Data Sheet
Nitric Acid 30%
Technical · 30%
- CAS number
- 7697-37-2
- UN number
- UN2031
- Hazard class · packing group
- 8 · PG II
- Structure
Structure · PubChem - Grade
- Technical · 30%
- Signal word
- Danger
- Hazards
- Proper shipping name
- Nitric acid, other than red fuming, with more than 20 percent and less than 65 percent nitric acid
Identity & Composition
- Product Name
- Nitric Acid 30%
- Alliance Code
- nitric-acid-30
- Grade
- Technical
- Concentration
- 30% w/w
- CAS Number
- 7697-37-2Adjudicated
- Formula
- HNO3Adjudicated
- Molecular Weight
- 63.013Adjudicated
- Product Type
- Solution
Specifications
Not yet characterized — Specification limits for this product have not been published yet. Contact Technical Services for the current specification and available lot-specific documentation.
Available GradesSame CAS, alternate grades and concentrations
| Grade | Concentration | Typical Assay | SKU | TDS |
|---|---|---|---|---|
| This grade Technical | 30% | — | current | current |
| ACS Grade | 70% | — | nitric-acid-70-acs-grade-low-particle | View TDS → |
| Technical | 70% | — | nitric-acid-70-technical-grade | View TDS → |
| ACS Grade | 69% | — | nitric-acid-acs-69-55-gallon-drum | View TDS → |
| Technical | 69% | — | nitric-acid-69-technical-grade | View TDS → |
| ACS Grade | 65% | — | nitric-acid-65 | View TDS → |
| Technical | 65% | — | nitric-acid-65-technical-grade | View TDS → |
| Technical | 40% | — | nitric-acid-40 | View TDS → |
| Technical | 25% | — | nitric-acid-25 | View TDS → |
| Technical | 20% | — | nitric-acid-20 | View TDS → |
| Technical | 5% | — | nitric-acid-5 | View TDS → |
Typical assay for each grade is the average of its recent lots. Confirm a grade meets your specification before substituting it.
Physical & Chemical Properties
| Property | Value | Source |
|---|---|---|
| Appearance | Clear, colorless to slightly yellow liquid | Adjudicated |
| Odor | Acrid, pungent odor | Adjudicated |
| pH | < 1 | Adjudicated |
| Specific Gravity | 1.18 at 20 °C (water = 1) | Adjudicated |
| Boiling Point | About 107 °C (225 °F) | Adjudicated |
| Melting Point | About -36 °C (-33 °F), freezing point | Adjudicated |
| Flash Point | Not applicable | Adjudicated |
| Solubility (water) | Completely miscible with water (releases heat) | Adjudicated |
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 ConstructionService envelope ≈ 30%
MOC ratings are required for this chemical class but no compatibility data has been seeded yet. Treat as no-data and consult Alliance Technical Services before equipment selection.
Regulatory & Transport
DOT / 49 CFR
- UN Number
- UN2031Adjudicated
- Hazard Class
- 8Adjudicated
- Packing Group
- IIAdjudicated
- Proper Shipping Name
- Nitric acid, other than red fuming, with more than 20 percent and less than 65 percent nitric acidAdjudicated
GHS / OSHA HCS 2024
- Signal Word
- DangerAdjudicated
- H-Codes (Hazard Statements)
- H290, H314, H331Adjudicated
- P-Codes (Precautionary Statements)
- P234, P260, P264, P271, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P390, P403+P233, P405, P406, P501Adjudicated
Occupational Exposure Limits
- OSHA PEL (29 CFR 1910.1000)
- 2 ppm TWAOSHA 29 CFR 1910.1000
- ACGIH TLV
- 2 ppm TWA / 4 ppm STELAdjudicated
- 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: 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
Acute Toxicology
- LC₅₀ Inhalation (rat, 4 h)
- > 2.65 mg/L (nitric acid); the basis for the inhalation classification by dilutionAdjudicated
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 Nitric Acid 30%. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
Applications
Stainless-steel passivation and pickling; metal cleaning and etching; equipment and dairy-line descaling; pH adjustment; laboratory use.Adjudicated
Restrictions on Use: For industrial and professional use. Never mix with bleach (releases chlorine), organic solvents or other combustible materials. Always add acid to water.
Storage & Handling
- Recommended Storage
- Keep closed in polyethylene, glass or stainless-steel containers, never ordinary metal. Keep away from bases, bleach, organics and combustibles.Adjudicated
- 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; combustible and organic materials, alcohols and solvents; reducing agents; cyanides and sulfides; most metals (release nitrogen oxides and hydrogen); bleach (releases chlorine).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)
UN2031, Nitric acid, other than red fuming, with more than 20 percent and less than 65 percent nitric acid, 8, PG II
Sourced from 49 CFR 172.101. Confirm against shipping documents and carrier requirements before tender.
Revision History
| Version | Date | Change | Trigger |
|---|---|---|---|
| 1.5 | 2026-10-08 | Canonical data updated: 17 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.4 | 2026-10-06 | Canonical data updated: 1 field changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.3 | 2026-10-05 | Canonical data updated: 1 field changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.2 | 2026-08-27 | Canonical data updated: 2 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.1 | 2026-08-04 | Canonical data updated: 12 fields changed via the provenance/adjudication pipeline.
| canonical_change |
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.