Industrial chemicals · Taylor, TXTechnical Data Sheet
Boric Acid Powder 99% Acs Grade
ACS Grade · 99%
Identity & Composition
- Product Name
- Boric Acid Powder 99% Acs Grade
- Alliance Code
- boric-acid-powder-99-acs-grade
- Grade
- ACS Grade
- Concentration
- 99%
- CAS Number
- 10043-35-3PubChem
- Formula
- BH3O3PubChem
- Molecular Weight
- 61.84PubChem
- Product Type
- solution
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay (H3BO3) | min. 99.8 % | 99.95 % | titr. | Supplier specification |
| Insoluble matter in CH3OH | max. 0.005 % | 0.001 % | — | Supplier specification |
| Lead (Pb) | max. 0.0005 % | 0.00003 % | — | Supplier specification |
| Potassium (K) | max. 0.005 % | 0.0005 % | — | Supplier specification |
| Nonvolatile with methanol | 0.05% | 0.005 % | — | ACS Reagent Chemicals |
| Residue on ignition (as SO4) (CH3OH + HCl) | max. 0.05 % | 0.007 % | — | Supplier specification |
| Insoluble in methanol | 0.005% | 0.001 % | — | ACS Reagent Chemicals |
| Insoluble matter in H2O | max. 0.005 % | 0.0008 % | — | Supplier specification |
| Arsenic (As) | <= 1 ppm | 0.05 ppm | — | Supplier specification |
| Calcium (Ca) | 0.005% | 0.0005 % | — | ACS Reagent Chemicals |
| Chloride (Cl) | 0.001% | 0.0002 % | — | ACS Reagent Chemicals |
| Heavy metals (as Pb) | 0.001% | 0.0001 % | — | ACS Reagent Chemicals |
| Iron (Fe) | 0.001% | 0.0001 % | — | ACS Reagent Chemicals |
| Phosphate (PO4) | 0.001% | 0.00005 % | — | ACS Reagent Chemicals |
| Sulfate (SO4) | 0.01% | 0.003 % | — | ACS Reagent Chemicals |
| Sodium (Na) | max. 0.005 % | 0.001 % | ICP-OES | Interpreted |
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
One or more physical-property values are temporarily suppressed pending verification against vendor COA data. For complete properties refer to the Safety Data Sheet (SDS) or contact sales@alliancechemical.com.
| Property | Value | Source |
|---|---|---|
| Appearance | Boric acid is an odorless white solid. Melting point 171 °C. Sinks and mixes with water. (USCG, 1999) | Published reference |
| Form | Solid | Published reference |
| Odor | Odorless | Published reference |
| Density | 1.435 at 68 °F (USCG, 1999) - Denser than water; will sink | Published reference |
| Boiling Point | 572 °F at 760 mmHg (decomposes) (NTP, 1992) | Published reference |
| Melting Point | 340 °F (NTP, 1992) | Published reference |
| Flash Point | No data | Published reference |
| Vapor Pressure | 1.6X10-6 mm Hg at 25 °C (2.136X10-4 Pa); log P (in Pa) = 26.83 - 9094/T where T is deg K | Published reference |
| Solubility (water) | 10 to 50 mg/mL at 66 °F (NTP, 1992) | Published reference |
Regulatory & Transport
DOT / 49 CFR
- UN Number
- Not regulatedAdjudicated
- Hazard Class
- Not regulatedAdjudicated
- Packing Group
- Not regulatedAdjudicated
- Proper Shipping Name
- Not regulatedAdjudicated
GHS / OSHA HazCom 2012
- Signal Word
- DangerAdjudicated
- H-Codes (Hazard Statements)
- H360FDECHA CLP Annex VI
- P-Codes (Precautionary Statements)
- P201, P202, P280, P308+P313, P405, P501ECHA CLP Annex VI
Occupational Exposure Limits
- OSHA PEL (29 CFR 1910.1000)
- —no canonical
- ACGIH TLV
- —no canonical
- NIOSH REL
- 5 mg/m³ TWANIOSH Pocket Guide
- NIOSH IDLH
- —no canonical
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 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 | Grade | Conc. | Match | Notes |
|---|---|---|---|---|
| B6768 | ACS reagent | ≥99.5% | Exact | 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
- Storage: RT (RT (room temperature))itwreagents.com
- 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
- Consult the SDS for material-specific incompatibilities.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)
Not regulated for transport.
Confirm against shipping documents and carrier requirements before tender.
Revision History
Last reviewed 2026-06-18 by Andre Taki, DOT Hazmat Specialist.
| Version | Date | Change | Trigger |
|---|---|---|---|
| 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.