Industrial chemicals · Taylor, TXTechnical Data Sheet
Nitric Acid 20% Technical Grade
Technical · 20%
- CAS番号
- 7697-37-2
- UN番号
- UN2031
- 危険有害性クラス・容器等級
- 8 · PG II
- 構造
構造・PubChem - グレード
- Technical · 20%
- 注意喚起語
- Danger
- 危険有害性
- 正式輸送品名
- Nitric acid, other than red fuming, with not more than 20 percent nitric acid
Identity & Composition
- 製品名
- Nitric Acid 20% Technical Grade
- Alliance Code
- nitric-acid-20
- グレード
- Technical
- 濃度
- 20%
- CAS番号
- 7697-37-2PubChem
- 化学式
- HNO3PubChem
- 分子量
- —PubChem
- 製品種別
- Solution
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay (HNO3) | 19.5 - 20.5% | 20.11 % | — | Interpreted |
| Color (APHA) | <= 100 | 10 | — | Interpreted |
| Nitrite (NO2) | <=100 ppm | 0.44 ppm | — | Interpreted |
| Chloride (Cl) | <= 10 ppm | 0.021 ppm | — | Interpreted |
| Iron (Fe) | <= 10 ppm | 0.0071 ppm | — | Interpreted |
| Phosphate (PO4) | 0.0001 % max | 0.0000019 % | Molybdenum blue colorimetric | Interpreted |
| Substances reducing permanganate (as HNO2) | 0.00015 % max | 0.000021 % | Titrimetric, KMnO4 decolorization | Interpreted |
| Lead (Pb) | 0.0000022% max | 0.00000018 % | — | Interpreted |
| Residue after Ignition | 4.5 ppm max | 0.25 ppm | — | Interpreted |
| Sulfates (SO4) | 1.6 ppm max | 0.044 ppm | — | Interpreted |
| fluoride | 1.5 ppm max | 0.015 ppm | — | Interpreted |
| oxides of nitrogen | 31 ppm max | 0.29 ppm | — | Interpreted |
| oxidizable constituents as hno2 | 4.6 ppm max | 0.21 ppm | — | Interpreted |
| non-volatiles | 0.016 % max | 0.000040 % | — | Interpreted |
| Composition | 20 % nitric acid in deionized water, by weight | Conforms | By formulation; confirmed by specific gravity | 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.
Available GradesSame CAS, alternate grades and concentrations
| グレード | 濃度 | Typical Assay | SKU | TDS |
|---|---|---|---|---|
| This grade Technical | 20% | — | 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 | 30% | — | nitric-acid-30 | View TDS → |
| Technical | 25% | — | nitric-acid-25 | View TDS → |
| Technical | 5% | — | nitric-acid-5 | 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.
物理的及び化学的性質
| Property | 値 | Source |
|---|---|---|
| 外観 | Clear, colorless to slightly yellow liquid | Adjudicated |
| 形状 | Liquid | Published reference |
| 臭い | Acrid, pungent odor | Adjudicated |
| pH | < 1 | Adjudicated |
| 比重 | 1.11 at 20 °C (water = 1) | Adjudicated |
| 密度 | 1.117 (20% w/w aqueous solution, 20 °C) | Published reference |
| 沸点 | Not characterized for the 20% solution | Published reference |
| 融点 | Not characterized for the 20% solution | Published reference |
| 引火点 | 該当しない | Adjudicated |
| 蒸気圧 | 48 mmHg (NIOSH, 2024) | Published reference |
| 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 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.
Regulatory & Transport
DOT / 49 CFR
- 国連番号
- UN203149 CFR 172.101
- 危険有害性クラス
- 8Adjudicated
- 容器等級
- IIAdjudicated
- 正式輸送品名
- Nitric acid, other than red fuming, with not more than 20 percent nitric acidAdjudicated
GHS / OSHA HCS 2024
- 注意喚起語
- DangerAdjudicated
- H-Codes (Hazard Statements)
- H290, H314, H332Adjudicated
- P-Codes (Precautionary Statements)
- P234, P260, P264, P271, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P390, P405, P406, P501Adjudicated
許容濃度
- 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
輸送情報は発行時点の49 CFR 172.101の照会結果を反映しています。データ出典：REL/IDLHはNIOSH Pocket Guide、PELはOSHA Zテーブル。出荷に関わる重要な判断の前に、必ず最新の規制本文で確認してください。
Health & Fire Hazard
Acute Toxicology
- LC₅₀ Inhalation (rat, 4 h)
- > 2.65 mg/L (nitric acid); the basis for the inhalation classification by dilutionAdjudicated
急性毒性値はSDS第11項またはNIOSH RTECSによる。
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 20% Technical 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 | グレード | Conc. | Match | Notes |
|---|---|---|---|---|
| 438073 | ACS Reagent | 70% | Unverified candidate | 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
- Used as a laboratory chemical, chemical reagent and oxidizerlaballey.com
- Used for gold recovery, etching, and testing jewelry and silverlaballey.com
- Production of fertilizers, dyes, and explosives.itwreagents.com
- Production of soluble metal nitrates.itwreagents.com
- Detection of aromatic amino acids and proteins through the xanthoprotein reaction.itwreagents.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
- ポリエチレン、ガラス、またはステンレス鋼製の容器に密閉して保管すること。通常の金属製容器は絶対に使用しないこと。塩基、漂白剤、有機物、および可燃物から遠ざけること。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
- 塩基；可燃物及び有機物、アルコール類及び溶剤；還元剤；シアン化物及び硫化物；ほとんどの金属（窒素酸化物及び水素を発生）；漂白剤（塩素を発生）。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 not more than 20 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, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
| Version | Date | Change | Trigger |
|---|---|---|---|
| 1.6 | 2026-10-08 | Canonical data updated: 15 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.5 | 2026-09-30 | Canonical data updated: 1 field changed via the provenance/adjudication pipeline.
| canonical_change |
| 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 |
| 1.2 | 2026-07-21 | Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.1 | 2026-07-17 | Canonical data re-verified: 7 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.