Boric acid
Boric acid (CAS: 10043-35-3, H<sub>3</sub>BO<sub>3</sub>, MW: 61.83) is a white crystalline solid supplied by Tech Serve Solutions as an ACS reagent with a minimum assay of 99.8%. It is a versatile inorganic acid utilised in various industrial applications, including the production of borate salts, heat-resistant glass, and flame-retardant fabrics. Boric acid also finds use in leather manufacturing, porcelain enamels, and as a component in insecticides and wood preservatives.
- IUPAC
- Boracic Acid, Hydrogen Borate, Orthoboric Acid; Boracic acid; Hydrogen orthoborate; Trihydroxyborane; Borsäure (German); ácido bórico (Spanish); Acide borique (French);
- Synonyms
- Boracic AcidHydrogen BorateOrthoboric AcidHydrogen orthoborateTrihydroxyborane
Chemical Manufacturing
Boric acid serves as a primary precursor for synthesising borate salts and other boron compounds essential in various chemical industries.
Glass and Ceramics
It is incorporated into the production of heat-resistant glass and porcelain enamels, enhancing their durability and thermal properties.
Industrial Preservatives
Boric acid is employed as an effective wood preservative and as a component in insecticides, protecting materials from degradation and pests.
Textile Industry
Its flame-retardant properties make it valuable for fireproofing fabrics, improving safety in textile applications.
| Molecular weight | 61.83 |
|---|---|
| Linear formula | H3BO3 |
| Assay | ≥99.8% |
| Grade | ACS reagent |
| Solubility | H2O: soluble1 M, clear, colorless (hot) |
| pH | 3.6-4.0 (20 °C, 4%) |
| Vapour pressure | 2.6 mmHg (20 °C) |
| Melting point | 160 °C (dec.)(lit.) |
| Loss on drying | ≤0.5% loss on drying, 20 °C (HV) |
| Impurities tested | ≤0.005% insoluble in methanol≤0.05% with methanol-HCl non-volat. matter |
| Application | The main uses of boric acid is to make borate salts such as borax and other boron compounds. Boric acid is also used in heat resistant glass, in fireproofing fabrics, in electroplating baths, in leather manufacturing, porcelain enamels and in hardening steels. Boric acid has antiseptic and antiviral activity. Aqueous solutions have been used as mouth-washes, eye-drops, skin lotions and cosmetics. Boric acid and its salts are components of many commercial insecticides and wood preservatives. |
Hazard statements
- H360FD
Precautionary statements
- P201Obtain special instructions before use
- P308IF exposed or concerned
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | T |
| Risk statements (R) | 60-61 |
| Safety statements (S) | 53-45 |
| Cation traces | As: ≤0.5 mg/kgCa: ≤20 mg/kgCd: ≤5 mg/kgCu: ≤5 mg/kgFe: ≤1 mg/kgMg: ≤5 mg/kgPb: ≤5 mg/kgZn: ≤5 mg/kg |
| Anion traces | chloride (Cl-): ≤3 mg/kgphosphate (PO43-): ≤5 mg/kgsulfate (SO42-): ≤5 mg/kg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Uv Absorption | λ: 260 nm Amax: 0.015λ: 280 nm Amax: 0.010 |
|---|---|
| Description | white cystals |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Boric Acid (CAS 10043-35-3) used for?
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Boric acid is used in the production of borate salts and boron compounds, heat-resistant glass, fireproofing fabrics, electroplating baths, leather manufacturing, porcelain enamels, hardening steels, as an antiseptic, antiviral agent, in mouth-washes, eye-drops, skin lotions, cosmetics, insecticides, and wood preservatives.
What is the CAS number and chemical formula for Boric Acid?
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The CAS number for Boric Acid is 10043-35-3, and its chemical formula is H₃BO₃.
What grade and purity does Tech Serve Solutions supply for Boric Acid?
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Tech Serve Solutions supplies Boric Acid in ACS reagent grade with an assay of ≥99.8%.
How should Boric Acid be handled safely?
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Boric acid is classified with a GHS signal word of 'Danger' and carries Hazard Statement H360FD (May damage fertility. May damage the unborn child.). Handle with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection (e.g., N100 respirator). Ensure P201 (Obtain special instructions before use) and P308 + P313 (IF exposed or concerned: Get medical advice/attention) precautions are followed.
Is Boric Acid available for export globally?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Boric Acid.
How can I request a sample or quote for Boric Acid?
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To request a sample or quote for Boric Acid, please contact our sales team through the website or provide your details via the product inquiry form.
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