Industrial chemicals · Taylor, TXTechnical Data Sheet
Boric Acid Technical Grade
Technical
Identity & Composition
- Product Name
- Boric Acid Technical Grade
- Alliance Code
- boric-acid
- Grade
- Technical
- Concentration
- —
- CAS Number
- 10043-35-3PubChem
- Formula
- BH3O3PubChem
- Molecular Weight
- 61.84PubChem
- Product Type
- pure_substance
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay (H3BO3) | 99.90% min. | 99.95 % | — | Supplier specification |
| Boric oxide (B2O3) | 56.00% min. | 56.27 % | — | Supplier specification |
| Equivalent H3BO3 (alternate technical-grade limit, U.S. Borax Optibor TG) | 99.9-100.9 | 100.4 | U.S. Borax analytical methods | Supplier specification |
| Sieve, % retained on U.S. No. 20 (0.850 mm) — granular technical grade only | ≤2.0 | 0.4 % | — | Supplier specification |
| Chloride (Cl) | 15 ppm max. | 3 ppm | — | Supplier specification |
| Iron (Fe) | 10 ppm max. | 2 ppm | — | Supplier specification |
| Sulfate (SO4) | 500 ppm max. | 120 ppm | — | Supplier specification |
| Water insoluble matter | 0.010 % max. | 0.002 % | Gravimetric — hot water dissolution, filtration through tared Gooch crucible | 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
| Property | Value | Source |
|---|---|---|
| Appearance | Passes | Vendor COA |
| Form | Solid | Published reference |
| Odor | Odorless | Published reference |
| pH | 4.6 - 5.4 | Interpreted |
| Density | 0.85 - 1.00 g/cm3 | Interpreted |
| Boiling Point | 572 °F at 760 mmHg (decomposes) (NTP, 1992) | Published reference |
| Melting Point | 340 °F (NTP, 1992) | Published reference |
| Flash Point | N/A | 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 Technical Grade. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
Applications
- 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: 6 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.