Boric Acid SDS MSDS Sheet

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Boric Acid SDS, Safety Data Sheet
MSDS Sheet, Material Safety Data Sheet 01-Dec-20

Product Name & Other Names: Boric Acid or ortho-Boric acid or Boracic acid (H3BO3).
CAS No.: 10043-35-3
EINECS EC Number: 233-139-2
Molecular Weight: 61.8
Chemical Formula: H3BO3
Relevant uses and uses advised against (if any): Industrial use only.
Supplier: As per letterhead.

GHS, Globally Harmonized System Classification in accordance with 29 CFR 1910
Classification according to Regulation (EC) No 1272/2008

Precautionary statements:
P201: Obtain special instructions before use.
P202: Do not handle until all safety precautions have been read and understood.
P281: Use personal protective equipment as required.
P308+313: IF exposed or concerned: Get medical advice/attention.
P405: Store locked up.
P501: Dispose of contents/container to authorized agents only.

Classification according to EU Directives 67/548/EEC or 1999/45/EC:
Hazard Symbol:
Xn = Harmful
Risk Phrases:
R60 = May impair fertility.
R61 = May cause harm to the unborn child.
Products containing Boric Acid are not intended for ingestion. Boric Acid has a low acute toxicity. Small amounts swallowed accidentally are not likely to cause effects; swallowing large amounts may cause gastrointestinal symptoms.

Product Name & Other Names: Boric Acid or ortho-Boric acid or Boracic acid or (H3BO3).
CAS No.: 10043-35-3
EINECS EC Number: 233-139-2

Inhalation: Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Call a physician.
Ingestion: Do NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. Loosen tight clothing such as a collar, tie, belt, or waistband. Get medical attention if symptoms appear.
Skin Contact: Remove any contaminated clothing. Wash skin with soap or mild detergent and water for at least 15 minutes. Get medical attention if irritation develops or persists. Wash cloths and Shoes before re-use.
Eye Contact: Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Cold water may be used. Get medical attention.
Note to physicians: Observation only is required for adult ingestion of less than 6 grams of boric acid. For ingestion more than 6 grams, maintain adequate kidney function and force fluids. Gastric lavage is recommended for symptomatic patients only. Hemodialysis should be reserved for massive acute ingestion or patients with renal failure.

Fire: It is not considered to be a fire hazard. It is a flame retardant.
Fire Extinguishing Media: Use any means suitable for extinguishing surrounding fire. Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Special hazards arising from the substance or mixture: Borane/boron oxides
Special Information: In the event of a fire, wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full face piece operated in the pressure demand or other positive pressure mode. At high temperatures under fire conditions, it may produce toxic or irritating fumes. Fire-extinguishing work is done from the windward and the suitable fire-extinguishing method according to the surrounding situation is used. Uninvolved persons should evacuate to a safe place.

Personal precautions, protective equipment, and emergency procedures: Ventilate area of leak or spill. Avoid breathing dust/fumes/gas/mist/vapors/spray. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc.). Restrict unprotected personnel from the area. Prevent any contact with hot surfaces. Do not approach facing the wind. Do not touch the spilled material.
Environmental precautions: Do not let the product enter drains, soil, or water sources.
Methods and materials used for containment Cleanup procedures and Storage:
Small Spill: Use appropriate tools to put the spilled solid in a convenient waste disposal container. Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed containers for disposal. Finish cleaning by spreading water on the contaminated surface and dispose of according to legal authority requirements.
Large Spill: Contain spilled material. Cover with an inert, non-combustible absorbent material, (e.g. sand, earth, diatomaceous earth, vermiculite). Vacuum or sweep-up and remove to an approved disposal container. Finish cleaning by spreading water on the contaminated surface and allow to evacuate through the sanitary system.

Precautions for safe handling: Apply according to good manufacturing and industrial hygiene practices. Ensure proper ventilation. In case of insufficient ventilation, wear suitable respiratory equipment. Wash thoroughly after handling. Do not drink, eat, or smoke while handling. Avoid contact with skin, eyes, and clothing. Minimize dust generation. Avoid breathing dust/fumes/gas/mist/vapors/spray. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc.). Prevent any contact with hot surfaces.
Conditions for safe storage, including any incompatibilities: Store in cool, dry, and ventilated area away from heat sources and protected from sunlight in tightly closed original container. Keep air contact to a minimum. Store protected from heat, sparks and ignition sources and incompatible materials. Avoid contact with skin and eyes. Avoid inhalation of dust/mist/vapor. Do not store with incompatible materials like potassium, acetic anhydride, alkalis, carbonates, and hydroxides. Keep in a well closed container stored under cold to warm conditions, 2C to 40 C, (36 to 104F). Carbon steel or aluminum containers are suitable for storage. Stainless steel is needed for moist conditions.

Airborne Exposure Limits:
Occupational exposure limits for dust (total and resizable) are treated by OSHA, Cal OSHA and ACGIH as “Particulate Not Otherwise Classified” or “Nuisance Dust”
ACGIH/TLV 10 mg/m3; Cal OSHA/PEL 10 mg/m3; OSHA/PEL (total dust) 15 mg/m3; OSHA/PEL (respirable dust) 5 mg/m3
Ventilation System: A system of local and/or general exhaust is recommended to keep employee exposures as low as possible. Local exhaust ventilation is generally preferred because it can control the emissions of the contaminant at its source, preventing dispersion of it into the general work area. Please refer to the ACGIH document, Industrial Ventilation, A Manual of Recommended Practices, most recent edition, for details.
Personal Respirators (NIOSH Approved): For conditions of use where exposure to dust or mist is apparent and engineering controls are not feasible, a particulate respirator (NIOSH type N95 or better filters) may be worn. If oil particles (e.g. lubricants, cutting fluids, glycerin, etc.) are present, use a NIOSH type R or P filter. For emergencies or instances where the exposure levels are not known, use a full-face positive-pressure, air-supplied respirator. WARNING: Air-purifying respirators do not protect workers in oxygen-deficient atmospheres.
Skin Protection: Gloves and lab coat, apron, or coveralls.
Eye Protection: Use chemical safety goggles. Maintain eye wash fountain and quick-drench facilities in work area.
Other Control Measures: Maintain good housekeeping in work area. Dust deposits on floors and other surfaces may pick up moisture and cause the surfaces to become slippery and present safety hazards. Handle in accordance with good industrial hygiene and safety practice. Wash hands after handling.

Appearance: Boric Acid is white powder or granules.
Odor: Odorless.
Odor threshold: Not available.
pH: 5.1 Aqueous solution: (0.1M)
Relative density: around 1.43
Boiling Point: Decomposes.
Melting Point: 169C (336F)
Flash point: Not available.
Auto-ignition temperature: Not available.
Decomposition temperature: Not available.
Upper/lower flammability or explosive limits: Not available.
Vapor Pressure (mm Hg): 2.6 @ 20C (68F)
Vapor density: Not available.
Evaporation rate: Not available.
Flammability (solid, gas): Not available.
Partition coefficient: n-octanol/water: Not available.
Solubility: 1g/18mL in cold water.
Viscosity: Not available.
Molecular Weight: 61.8
Chemical Formula: H3BO3

Stability: It is stable under ordinary conditions of use and storage. If moisture is present, boric acid can be corrosive to iron.
Hazardous Decomposition Products: Loses chemically combined water upon heating, forming metaboric acid (HBO2) at 212-221F, then pyroboric acid (H2B4O7) at 285-320F, and Boric anhydride at higher temperatures.
Hazardous Polymerization: Will not occur.
Incompatibilities: Potassium, acetic anhydride, alkalis, carbonates, and hydroxides.

Toxicological Data: Oral rat LD50: 2660 mg/kg; LD50 in rabbits is greater than 2,000 mg/kg of body weight.
Oral woman LDLo: 200 mg/kg; investigated as a mutagen, tumorigen, reproductive effector.
Reproductive Toxicity: May impair fertility. May cause harm to the unborn child.
Carcinogenic Effects: Not a reported carcinogen by IARC, NTP, ACGIH, OSHA.

Toxicity to fish:
LC50 - Ptychocheilus lucius - 279 mg/l - 96 h;
LC0 - Lepomis macrochirus (Bluegill) - > 1.021 mg/l - 96 h
Toxicity to daphnia and other aquatic invertebrates:
LC50 - Daphnia magna (Water flea) - 53,2 mg/l - 21 d
EC50 - Daphnia magna (Water flea) - 133 mg/l - 48 h
Environmental Toxicity: This material may be toxic to aquatic life.
Persistence and Degradability: No information available.
Mobility: No information available.
Bioaccumulation/ Accumulation: No information available.
Results of PBT and vPvB assessment: No data available for assessment.

Whatever cannot be saved for recovery or recycling should be managed in an appropriate and approved waste disposal facility. Processing use or contamination of this product may change the waste management options. State and local disposal regulations may differ from federal disposal regulations. Dispose of container and unused contents in accordance with law.

DOT USA, TDG Canada & ADR/RID Europe: Not dangerous goods.
IMDG/IMO: Not dangerous goods.
IATA/ICAO: Not dangerous goods.

It should be noted that borates are safe under conditions of normal handling and use. They are essential nutrients to plants, and research shows that they play a beneficial role in human health.
USA:
SARA 302: No chemicals in this material are subject to the reporting requirements of SARA Title III, Section 302.
SARA 313: This material does not contain any chemical components with known CAS numbers that exceed the threshold (De Minimis) reporting levels established by SARA Title III, Section 313.
SARA 311/312: Chronic Health Hazard. See section 2.
California Prop. 65 Components: This product does not contain any chemicals known to State of California to cause cancer, birth defects, or any other reproductive harm.

European Labeling in Accordance with EC Directives:
H360 = May damage fertility or the unborn child

DISCLAIMER: The information and recommendations set forth herein (hereinafter "Information") are presented in good faith and believed correct as of the date hereof. It is compiled from various sources and it is not necessarily all inclusive nor fully adequate in every circumstance. In addition, these suggestions should not be confused with nor followed in violation of applicable laws, regulations, rules or insurance requirements applicable. This MSDS sheet is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this product. Individuals receiving the information must exercise their independent judgment in determining its appropriateness for a particular purpose.

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