Technical Data Sheet

Boric Acid Powder 99% Acs Grade

ACS Grade · 99%

CAS Number
10043-35-3
Alliance Code
boric-acid-powder-99-acs-grade
Generated
2026-06-02
Last reviewed 2026-05-20 by Hossein Taki, Vice President.

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

Available GradesSame CAS, alternate grades and concentrations

GradeConcentrationTypical AssaySKUTDS
This grade ACS Grade99%currentcurrent
boric-acidView 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.

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.

Download audit packet

Catalog EquivalentsCross-reference vs major chemical suppliers

Sigma-Aldrich

SKUGradeConc.MatchNotes
B6768ACS reagent≥99.5%ExactSame ACS reagent grade.

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 2026-05-20 by Hossein Taki, Vice President (Vice President, Alliance Chemical · CAGE Code 1LT50 · DOT Hazmat Registrant #2188383).

    VersionDateChangeTrigger
    1.02026-05-20Initial 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.