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Boric acid - GR, ≥99.8% , CAS No.10043-35-3

CAS: 10043-35-3 Cat. No.: B111594 Formula: H3BO3 Molecular Weight: 61.84 EC Number: 233-139-2
1201 Citations COA
Boric acid - GR, ≥99.8% CAS No(10043-35-3) by Aladdin Scientific
AVAILABLE TO ORDER
GRADE & PURITY GR ? Guaranteed Reagent grade — the highest analytical purity tier, with tightly controlled impurities. Use for precise quantitative work and reference measurements. ≥99.8%
Synonyms
BORIC ACID (EP IMPURITY) | Boric acid (h(sub 3)bo(sub 3)) | INS-284 | [B(OH)3] | Boric acid, NF/USP grade | MFCD00011337 | Acidum boricum (Salt/Mix) | Borsaeure | DTXSID1020194 | Kill-off | NSC 81726 | BORIC ACID [II] | Boron hydroxide | Bluboro (Salt/Mix
Storage
Room temperature,Desiccated
Shipped In
FedEx DG Service
★
Size
USA
Germany (EU)*
Price
Qty
500g
B111594-500g
1 In stock
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$19.90
12×500g
B111594-12×500g
Made to order · 8–12 wks
$224.90
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SDS
Safety data
COA
Certificate
DS
Datasheet
SP
Spec sheet
Specifications Names and Identifiers Documentation Advanced Data Taxonomic Classification 3D Structure Associated Targets(Human) Associated Targets(non-human) Mechanisms of Action Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Documents & Articles Citations of This Product Solution Calculators Reviews
🧪
Why this grade

GR, ≥99.8% GR for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Desiccated Ships FedEx DG Service Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 1201 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
BORIC ACID (EP IMPURITY) | Boric acid (h(sub 3)bo(sub 3)) | INS-284 | [B(OH)3] | Boric acid, NF/USP grade | MFCD00011337 | Acidum boricum (Salt/Mix) | Borsaeure | DTXSID1020194 | Kill-off | NSC 81726 | BORIC ACID [II] | Boron hydroxide | Bluboro (Salt/Mix
Specifications & Purity
GR, ≥99.8%
Storage
Room temperature,Desiccated
Shipped In
FedEx DG Service
Grade
GR
Purity
≥99.8%
Names and Identifiers
Pubchem Sid508815475
Canonical SmilesB(O)(O)O
IUPAC Nameboric acid
InChIKeyKGBXLFKZBHKPEV-UHFFFAOYSA-N
INCHI1S/BH3O3/c2-1(3)4/h2-4H
Isomeric SMILES B(O)(O)O
WGK Germany 1
Molecular Weight 61.84
Reaxy-Rn 3600274
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3600274&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomInorganic compounds
SuperclassMixed metal/non-metal compounds
ClassMiscellaneous mixed metal/non-metals
SubclassMiscellaneous metallic oxoanionic compounds
Intermediate Tree Nodes Not available
Direct ParentMiscellaneous borates
Alternative Parents Metalloid salts  Inorganic salts  
Molecular FrameworkNot available
Substituents Borate - Inorganic salt - Inorganic metalloid salt
DescriptionThis compound belongs to the class of inorganic compounds known as miscellaneous borates. These are inorganic compounds in which the largest metallic oxoanion is borate, to which either no atom or a non metal atom is bonded.
External Descriptors an anion
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
ESR1 Tclin Estrogen receptor alpha (17718 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
VDR Tclin Vitamin D receptor (26531 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TSHR Tclin Thyroid stimulating hormone receptor (29986 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TDP1 Tchem Tyrosyl-DNA phosphodiesterase 1 (345557 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
LMNA Tbio Prelamin-A/C (36751 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TRPV6 Tchem Transient receptor potential cation channel subfamily V member 6 (136 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Hyaloperonospora parasitica (23 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates（CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

49 results found

Lot NumberCertificate TypeDateItem
I2620213Certificate of AnalysisSep 24, 2026 B111594
I2620420Certificate of AnalysisSep 24, 2026 B111594
I2620214Certificate of AnalysisSep 23, 2026 B111594
H2614206Certificate of AnalysisAug 24, 2026 B111594
H2614260Certificate of AnalysisAug 24, 2026 B111594
G2628166Certificate of AnalysisAug 05, 2026 B111594
F2605488Certificate of AnalysisJun 24, 2026 B111594
F2605502Certificate of AnalysisJun 24, 2026 B111594
D2607176Certificate of AnalysisApr 21, 2026 B111594
B2627380Certificate of AnalysisMar 13, 2026 B111594
B2627356Certificate of AnalysisMar 11, 2026 B111594
L2501236Certificate of AnalysisDec 11, 2025 B111594
L2501225Certificate of AnalysisDec 10, 2025 B111594
K2517367Certificate of AnalysisNov 24, 2025 B111594
K2517366Certificate of AnalysisNov 20, 2025 B111594
G2515139Certificate of AnalysisJul 24, 2025 B111594
G2515137Certificate of AnalysisJul 24, 2025 B111594
E2521222Certificate of AnalysisJun 02, 2025 B111594
E2521221Certificate of AnalysisMay 30, 2025 B111594
C2512376Certificate of AnalysisMar 18, 2025 B111594
C2512377Certificate of AnalysisMar 18, 2025 B111594
A2510245Certificate of AnalysisJan 16, 2025 B111594
A2510248Certificate of AnalysisJan 16, 2025 B111594
K2428435Certificate of AnalysisDec 05, 2024 B111594
K2428433Certificate of AnalysisDec 03, 2024 B111594
J2429356Certificate of AnalysisNov 04, 2024 B111594
J2429355Certificate of AnalysisNov 04, 2024 B111594
H2420489Certificate of AnalysisSep 06, 2024 B111594
F2412148Certificate of AnalysisJun 19, 2024 B111594
F2412147Certificate of AnalysisJun 19, 2024 B111594
C2413200Certificate of AnalysisMar 28, 2024 B111594
C2413197Certificate of AnalysisMar 28, 2024 B111594
A2409188Certificate of AnalysisJan 17, 2024 B111594
A2409185Certificate of AnalysisJan 17, 2024 B111594
F23251205Certificate of AnalysisJul 05, 2023 B111594
F23251227Certificate of AnalysisJul 04, 2023 B111594
B2309384Certificate of AnalysisFeb 16, 2023 B111594
I2214450Certificate of AnalysisSep 21, 2022 B111594
I2214451Certificate of AnalysisSep 21, 2022 B111594
F2213292Certificate of AnalysisJun 14, 2022 B111594
F2213291Certificate of AnalysisJun 14, 2022 B111594
E2231421Certificate of AnalysisJun 14, 2022 B111594
E2231420Certificate of AnalysisJun 14, 2022 B111594
C2219391Certificate of AnalysisMar 01, 2022 B111594
B2225634Certificate of AnalysisMar 01, 2022 B111594
B2225633Certificate of AnalysisMar 01, 2022 B111594
C2219389Certificate of AnalysisDec 13, 2021 B111594
C2219388Certificate of AnalysisDec 13, 2021 B111594
L2107457Certificate of AnalysisDec 13, 2021 B111594
Chemical and Physical Properties
SolubilitySoluble in water, soluble in ethanol, ether, and glycerol.
SensitivityHygroscopic
Boil Point(°C)300°C
Melt Point(°C)169°C
Molecular Weight61.840 g/mol
XLogP3
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count3
Rotatable Bond Count0
Exact Mass62.0175 Da
Monoisotopic Mass62.0175 Da
Topological Polar Surface Area60.700 Ų
Heavy Atom Count4
Formal Charge0
Complexity8.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
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Protein Concentration Determination
Poly(vinyl alcohol) (PVA): From Basics to Selection Key Parameters, Freeze–Thaw vs. Chemical Crosslinking Hydrogel Routes, and an Aladdin Product List
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How to Choose a Hydrogen Evolution (HER) Catalyst: Kinetic Barriers in Water Electrolysis, AWE/PEM/AEM Pathways, and a Materials-Family Roadmap (with a Product Map)
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Installing a Redox Switch on Biomolecules: Principles, Conjugation Essentials, and an Application Guide for ATTO MB2 NHS ester
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A Review of Ten Commonly Used Techniques for Detection, Quantification, and Interaction Analysis in Nucleic Acid Research
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Choosing Boron Sources to Make Reactions Robust: How Boronic Acids, Boronate Esters, BF₃K Salts, and MIDA Improve Suzuki–Miyaura Start-Up and Scale-Up Reproducibility (with Product Tables 1–5)
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Agarose Precast Gels: Composition, Advantages, and Application Workflows for Standardized Nucleic Acid Electrophoresis Matrices
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