Industrial chemicals · Taylor, TXTechnical Data Sheet
Technical Data Sheet
Hydrochloric Acid 31% Technical Grade
Technical Grade · 31%
- CAS番号
- 7647-01-0
- UN番号
- UN1789
- 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 Grade · 31%
- 注意喚起語
- Danger
- 危険有害性
- 正式輸送品名
- Hydrochloric acid
Last reviewed 2026-07-17 by Andre Taki, Chief Commercial Officer.
Identity & Composition
- 製品名
- Hydrochloric Acid 31% Technical Grade
- Alliance Code
- hydrochloric-acid-31-technical-grade
- グレード
- Technical Grade
- 濃度
- 31%
- CAS番号
- 7647-01-0PubChem
- 化学式
- HClAdjudicated
- 分子量
- 36.46PubChem
- 製品種別
- Solution
- IUPAC名
- hydrogen chloridePubChem
- InChI-Key
- VEXZGXHMUGYJMC-UHFFFAOYSA-NPubChem
- SMILES
- ClPubChem
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay, Baumé | 20.0 min. | 20.3 | — | Interpreted |
| Arsenic (As) | 0.5 max. (ppm as As) | 0.024 ppm | — | Interpreted |
| Fluorinated organic compounds | 25 max. (ppm) | 0.68 ppm | — | Interpreted |
| Heavy metals (as Pb) | 1 max. (ppm) | 0.12 ppm | — | Interpreted |
| Oxidizing substances (as Cl2) | 10 max. (ppm as Cl2) | 0.47 ppm | — | Interpreted |
| Specific gravity | Min 1.1602 at 60°F (15.5°C) | 1.1626 | — | Interpreted |
| Sulfate (SO4) | Max 60.00 ppm | 8.5 ppm | — | Interpreted |
| Total organic compounds (non-fluorine-containing) | 5 max. (ppm) | 0.63 ppm | — | Interpreted |
| Iron (Fe) | 3 ppm max | 0.31 ppm | ICP-MS | Interpreted |
| Free chlorine (as Cl2) | 10 ppm max | 0.33 ppm | DPD colorimetric | Interpreted |
| Nonvolatile matter | 100 ppm max | 8 ppm | Gravimetric, evaporation to dryness at 105 C | Interpreted |
| baume ° | 20 min | 20.3 | — | 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 Grade | 31% | — | current | current |
| ACS Reagent | 37% | — | hydrochloric-acid-37-acs-reagent-grade | View TDS → |
| Technical Grade | 37% | — | hydrochloric-acid-37-hcl-37-technical-grade | View TDS → |
| ACS | 31% | — | hydrochloric-acid-31-acs-grade | View TDS → |
| ACS | 25% | — | hydrochloric-acid-25-acs-grade | View TDS → |
| Technical | 25% | — | hydrochloric-acid-25-technical-grade | View TDS → |
| ACS | 20% | — | hydrochloric-acid-20-acs-grade | View TDS → |
| Technical | 20% | — | hydrochloric-acid-20-technical-grade | View TDS → |
| Technical Grade | 15% | — | hydrochloric-acid-15-technical-grade | View TDS → |
| ACS | 10% | — | hydrochloric-acid-10-acs-grade | View TDS → |
| Technical | 10% | — | hydrochloric-acid-10-technical-grade | View TDS → |
| ACS | 5% | — | hydrochloric-acid-5-acs-grade | View TDS → |
| Technical Grade | 5% | — | hydrochloric-acid-5-technical-grade | 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 corrosive liquid | Adjudicated |
| 形状 | Liquid | Published reference |
| 色 | 0 - 20 | Interpreted |
| 臭い | Pungent, acrid odor | Adjudicated |
| pH | < 1 | Adjudicated |
| 比重 | 1.155–1.162 (water = 1) | Adjudicated |
| 密度 | 1.155 (31% w/w aqueous solution, 20 °C) | Published reference |
| 沸点 | 85 °C (185 °F) | Adjudicated |
| 融点 | -46.9 °C (-52.5 °F), freezing point | Adjudicated |
| 引火点 | 該当しない | Adjudicated |
| 蒸気圧 | 35–40 mmHg at 30 °C (86 °F) | Adjudicated |
| 蒸気密度 | 1.27 (air = 1) | Adjudicated |
| Solubility (water) | Completely miscible with water | Adjudicated |
| 粘度 | 1.55 mPa·s at 30 °C | 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.
Property Curves
Source: Perry’s Chemical Engineers’ Handbook (31% reference)
Source: Perry’s Chemical Engineers’ Handbook (31% reference)
Reference curves drawn from public engineering data. For engineering use, consult the cited source for the underlying tabulated values.
Materials of Construction
| Material | Rating | Conditions | Source |
|---|---|---|---|
| Rubber-lined steel (rubber lining) | Compatible | 20° Bé muriatic acid, 31.45 wt.% min HCl; bulk tank car and tank truck service | oxychem.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
- UN178949 CFR 172.101
- 危険有害性クラス
- 8Adjudicated
- 容器等級
- IIAdjudicated
- 正式輸送品名
- Hydrochloric acidAdjudicated
GHS / OSHA HCS 2024
- 注意喚起語
- DangerAdjudicated
- H-Codes (Hazard Statements)
- H290, H314, H335Adjudicated
- P-Codes (Precautionary Statements)
- P234, P260, P261, P264, P271, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P390, P403+P233, P405, P406, P501Adjudicated
許容濃度
- OSHA PEL (29 CFR 1910.1000)
- 5 ppm ceilingOSHA 29 CFR 1910.1000
- ACGIH TLV
- 2 ppm CeilingAdjudicated
- NIOSH REL
- 5 ppm ceilingNIOSH Pocket Guide
- NIOSH IDLH
- 50 ppmNIOSH Pocket Guide
Regional Classifications
- EC Number (EU EINECS)
- 231-595-7Web SDS consensus
- REACH SVHC
- 非該当Web SDS consensus
- カリフォルニア州Prop 65
- 非該当Web SDS consensus
- WGK Water Hazard (DE)
- 1Web SDS consensus
- TDG Classification (Canada)
- un1789, class 8, pg iiWeb SDS consensus
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
NFPA 704
- Health:3Web SDS consensus
- Fire:0Web SDS consensus
- 反応性:1Web SDS consensus
- Specific:CORWeb SDS consensus
HMIS III
Health3Web SDS consensus
Flammability0Web SDS consensus
Physical Hazard2Web SDS consensus
PPECWeb SDS consensus
Acute Toxicology
- LD₅₀ Oral (rat)
- 700 mg/kgWeb SDS consensus
- LC₅₀ Inhalation (rat, 4 h)
- 3124 ppmWeb SDS consensus
NFPA 704の評価は0（危険なし）～4（重大な危険）、NFPA 704規格による。 HMIS IIIの評価は0～4、American Coatings Associationによる。 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 Hydrochloric Acid 31% 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
Honeywell
Cross-references are informational. Confirm against the manufacturer's current specification before substitution. Competitor trademarks are property of their respective owners.
Applications
- Pickling and metal cleaning agent in metal processing, to remove oxides and scalechemceed.com
- Oil well acidizing — dissolves calcium and magnesium carbonate rock formations to increase permeability and productionchemceed.com
- Beneficiation of ores and rock phosphate; stimulation of oil and gas wells in carbonate and sandstone reservoirsitwreagents.com
- Metallurgical pickling, etching and brazingitwreagents.com
- Removal of calcium carbonate (scale) deposits from equipment and cleaning of boreholes and gravel-pack filters after drillingitwreagents.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
- 直射日光を避け、涼しく換気の良い場所で、密閉された通気口（ベント）付きの耐食性容器（ポリエチレンまたはガラス）に入れて保管すること。漂白剤およびその他の酸化剤、塩基、金属から遠ざけること。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、水酸化物、炭酸塩、アミンおよびアンモニア；次亜塩素酸ナトリウム（漂白剤）を含む酸化剤（塩素ガスを発生）；鉄、銅、ニッケルおよびアルミニウムを含むほとんどの金属および金属酸化物（可燃性水素を発生）；シアン化物、硫化物および亜硫酸塩（有毒ガスを発生）；ホルムアルデヒド。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)
UN1789, Hydrochloric acid, 8, PG II
Sourced from 49 CFR 172.101. Confirm against shipping documents and carrier requirements before tender.
NMFC Class
60
Placard
Corrosive
容器等級
PG II
Revision History
Last reviewed 2026-07-17 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
| Version | Date | Change | Trigger |
|---|---|---|---|
| 1.7 | 2026-10-07 | Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.6 | 2026-10-05 | Canonical data updated: 23 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 | 2026-08-27 | Canonical data updated: 2 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: 1 field changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.1 | 2026-07-17 | Canonical data re-verified: 25 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.