Last reviewed 2026-06-18 by Andre Taki, DOT Hazmat Specialist.
1. 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
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.
Appearance
Boric acid is an odorless white solid. Melting point 171 °C. Sinks and mixes with water. (USCG, 1999)Product record
Form
SolidProduct record
Odor
OdorlessProduct record
Density
1.435 at 68 °F (USCG, 1999) - Denser than water; will sinkProduct record
Boiling Point
572 °F at 760 mmHg (decomposes) (NTP, 1992)Product record
Melting Point
340 °F (NTP, 1992)Product record
Flash Point
No dataProduct record
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 KProduct record
Solubility (water)
10 to 50 mg/mL at 66 °F (NTP, 1992)Product record
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)
—unknown
ACGIH TLV
—unknown
NIOSH REL
5 mg/m³ TWANIOSH Pocket Guide
NIOSH IDLH
—unknown
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.
Cross-references are informational. Confirm against the manufacturer's current specification before substitution. Competitor trademarks are property of their respective owners.
Application Guidance
Boric Acid Powder 99% Acs Grade (ACS Grade) application guidance is available on request. Contact Alliance Chemical Technical Services for grade-specific use recommendations.
Storage & Handling
Recommended Storage
Cool, dry, well-ventilated area in original sealed containers. Refer to product SDS for material-specific guidance.
Handling Precautions
Use standard chemical PPE — splash goggles, gloves, lab coat. Refer to SDS for hazard-specific PPE requirements.
Incompatibilities
Consult the SDS for material-specific incompatibilities.
Shelf Life
24 months from date of manufacture in sealed, original packaging
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.
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).
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.
Boric Acid Powder 99% Acs Grade — Technical Data Sheet | Alliance Chemical