Industrial chemicals · Taylor, TXTechnical Data Sheet
Boric Acid Powder 99% ACS Grade
ACS Grade · 99%
- CAS番号
- 10043-35-3
- 構造
構造・PubChem - グレード
- ACS Grade · 99%
- 注意喚起語
- Danger
- 危険有害性
Identity & Composition
- 製品名
- Boric Acid Powder 99% ACS Grade
- Alliance Code
- boric-acid-powder-99-acs-grade
- グレード
- ACS Grade
- 濃度
- 99%
- CAS番号
- 10043-35-3PubChem
- 化学式
- H3BO3Adjudicated
- 分子量
- 61.83 g/molAdjudicated
- 製品種別
- Solution
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay (H3BO3) | min. 99.8 % | 99.96 % | titr. | Interpreted |
| Insoluble matter in CH3OH | max. 0.005 % | 0.0012 % | — | Interpreted |
| Lead (Pb) | max. 0.0005 % | 0.000025 % | — | Interpreted |
| Potassium (K) | max. 0.005 % | 0.00046 % | — | Interpreted |
| Nonvolatile with methanol | 0.05% | 0.0044 % | — | Interpreted |
| Residue on ignition (as SO4) (CH3OH + HCl) | max. 0.05 % | 0.0061 % | — | Interpreted |
| Insoluble in methanol | 0.005% | 0.005% | — | Interpreted |
| Insoluble matter in H2O | max. 0.005 % | 0.00082 % | — | Interpreted |
| Arsenic (As) | <= 1 ppm | 0.066 ppm | — | Interpreted |
| Calcium (Ca) | 0.005% | 0.00038 % | — | Interpreted |
| Chloride (Cl) | 0.001% | 0.00016 % | — | Interpreted |
| Heavy metals (as Pb) | 0.001% | 0.00009 % | — | Interpreted |
| Iron (Fe) | 0.001% | 0.00012 % | — | Interpreted |
| Phosphate (PO4) | 0.001% | 0.000048 % | — | Interpreted |
| Sulfate (SO4) | 0.01% | 0.0024 % | — | Interpreted |
| Sodium (Na) | max. 0.005 % | 0.0013 % | ICP-OES | 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.
物理的及び化学的性質
| Property | 値 | Source |
|---|---|---|
| 外観 | Fine white crystalline powder, soft texture | Adjudicated |
| 形状 | Solid | Published reference |
| 臭い | Odorless | Adjudicated |
| pH | 3.8–4.8 (33 g/L aqueous solution) | Adjudicated |
| 比重 | 1.44–1.49 at 20 °C (water = 1) | Adjudicated |
| 密度 | 1.435 at 68 °F (USCG, 1999) - Denser than water; will sink | Published reference |
| 沸点 | Not applicable — decomposes before boiling | Adjudicated |
| 融点 | 169–171 °C (336–340 °F), with decomposition | Adjudicated |
| 引火点 | 該当しない | Adjudicated |
| 蒸気圧 | Negligible at 20 °C | Adjudicated |
| Solubility (water) | Soluble in water (about 49 g/L at 20 °C, much more in hot water); soluble in methanol and glycerol | Adjudicated |
Regulatory & Transport
DOT / 49 CFR
- 国連番号
- 非該当Adjudicated
- 危険有害性クラス
- 非該当Adjudicated
- 容器等級
- 非該当Adjudicated
- 正式輸送品名
- 非該当Adjudicated
GHS / OSHA HCS 2024
- 注意喚起語
- DangerAdjudicated
- H-Codes (Hazard Statements)
- H360FDECHA C&L Inventory
- P-Codes (Precautionary Statements)
- P201, P202, P280, P308+P313, P405, P501ECHA C&L Inventory
許容濃度
- OSHA PEL (29 CFR 1910.1000)
- —no canonical
- ACGIH TLV
- 2 mg/m³ TWA; 6 mg/m³ STEL (inhalable fraction; borate compounds, inorganic)Adjudicated
- NIOSH REL
- 5 mg/m³ TWANIOSH Pocket Guide
- NIOSH IDLH
- —no canonical
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
- LD₅₀ Oral (rat)
- 2,660 mg/kg (rat)Adjudicated
- LD₅₀ Dermal (rabbit)
- > 2,000 mg/kgAdjudicated
- LC₅₀ Inhalation (rat, 4 h)
- > 2.12 mg/L (dust, 4 h)Adjudicated
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 Boric Acid Powder 99% 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 | グレード | Conc. | Match | Notes |
|---|---|---|---|---|
| B6768 | ACS reagent | ≥99.5% | Unverified candidate | Same ACS reagent grade. |
Cross-references are informational. Confirm against the manufacturer's current specification before substitution. Competitor trademarks are property of their respective owners.
Applications
- Laboratory analytical reagent supplied "for analysis" to ACS and ISO specificationitwreagents.com
- Laboratory, research or manufacturing use for material meeting ACS specificationsmedia.vwr.com
- Research use only; the supplier excludes human or animal consumption, cosmetic, pharmaceutical and diagnostic usebioshopcanada.com
- Used in the production of agricultural products, flame-retardants, coatings, and metallurgyrosemill.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
- 塩基及び酸化剤から離し、乾燥した換気の良い場所で容器を密閉して保管すること。施錠して、食品及び飼料から離して保管すること。Adjudicated
- Handling Precautions
- Use standard chemical PPE — splash goggles, gloves, lab coat. Refer to SDS for hazard-specific PPE requirements.Class-level guidance — not product-specific; the SDS controls.
- Incompatibilities
- 強塩基、強酸化剤、カリウムおよびその他のアルカリ金属、無水酢酸。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)
Not regulated for transport.
Confirm against shipping documents and carrier requirements before tender.
Revision History
Last reviewed 2026-06-18 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
| Version | Date | Change | Trigger |
|---|---|---|---|
| 1.3 | 2026-10-08 | Canonical data updated: 22 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.2 | 2026-09-30 | Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.1 | 2026-06-18 | Canonical data re-verified: 4 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.