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Boric Acid SDS MSDS Sheet
Buy Boric Acid; Door Delivery
Boric Acid USP NF BP ACS IP grade Manufacturers Specifications
Boric Acid SDS MSDS Sheet, Material Safety Data Sheet
1. Product Identification
Synonyms: ortho-Boric acid; boracic acid; Borofax, boric acid (H3BO3)
CAS No.: 10043-35-3
EINECS EC Number: 233-139-2
Relevant Uses: Industrial use only.
Supplier: As per letterhead.
2. Hazards Identification
GHS, Globally Harmonized System Classification in accordance with 29 CFR 1910
Classification according to Regulation (EC) No 1272/2008
Reproductive toxicity Category 1A, 1B
Labeling according to GHS & Regulation (EC) No 1272/2008
GHS Label Elements
Signal Words: Danger
H360: May damage fertility or the unborn child
Precautionary statements: P201, P202, P281, P308+P313, P405, P501
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:
R60, R61, R36/38, R40, R62.
For the full text of the S-statements R-phrases mentioned in this Section, see Section 16.
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.
3. Composition/Information on Ingredients
Ingredient: Boric Acid
CAS No.: 10043-35-3;
EINECS EC Number: 233-139-2
Molecular Weight: 61.83
Chemical Formula: H3BO3
4. First Aid Measures
Always seek medical attention after first aid measures are provided.
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 in excess of 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.
5. Fire Fighting Measures
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.
6. Accidental Release Measures
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: Use a shovel to put the material into a convenient waste disposal container. Finish cleaning by spreading water on the contaminated surface and allow to evacuate through the sanitary system.
7. Handling and Storage
Keep in a well closed container stored under cold to warm conditions, 2 to 40 C, (36 to 104F). Protect against physical damage. Carbon steel or aluminum containers are suitable for storage. Stainless steel is needed for moist conditions. Use good housekeeping practices to prevent accumulation of dust and follow sound cleaning techniques that will keep airborne particulates at a low level. Wash hands after handling this material. Avoid contact especially when skin is cut or abraided. Containers may be hazardous when empty since they retain product residues (dust, solids); observe all warnings and precautions listed for the product.
8. Exposure Controls/Personal Protection
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.
9. Physical and Chemical Properties
Appearance: Boric Acid is white powder or granules.
Solubility: 1g/18mL in cold water.
pH: 5.1 Aqueous solution: (0.1M)
% Volatile by volume @ 21C (70F): 0
Boiling Point: Decomposes.
Melting Point: 169C (336F)
Vapor Pressure (mm Hg): 2.6 @ 20C (68F)
10. Stability and Reactivity
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.
11. Toxicological Information
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.
12. Ecological Information
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.
13. Disposal Considerations
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 federal, state and local requirements.
14. Transport Information
US DOT & ADR/RID: Not dangerous goods
IMDG: Not dangerous goods
IATA: Not dangerous goods
15. Regulatory Information
It should be noted that borates are safe under conditions of normal handling and use, besides, they are essential nutrients to plants, and research shows that they play a beneficial role in human health.
EPA TSCA Inventory: 10043-35-3
OSHA: Hazardous by definition of Hazard Communication Standard (29 CFR 1910.1200).
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: Hazards Chronic Health Hazard
Massachusetts Right to Know Components: No components are subject to the Massachusetts Right to Know Act.
Pennsylvania Right To Know Components: Boric acid CAS-No. 10043-35-3.
New Jersey Right To Know Components: Boric acid CAS-No. 10043-35-3
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.
Clean Air Act (Montreal Protocol): Boric acid was not manufactured with and does not contain any Class I or Class II ozone depleting substances.
Chemical Weapons Convention: No; TSCA 12(b): No; CDTA: No
HMIS (Perceived): Health Hazard: 2, Fire Hazard: 0, Reactivity: 0, Personal Protection: E
NFPA (Perceived): Health: 1, Flammability: 0, Reactivity: 0, Specific hazard:
Canada WHMIS: CLASS D-2A: Material causing other toxic effects (VERY TOXIC).
Canadian DSL: 10043-35-3
16. Other Information
EINECS EC Number: 233-139-2
H360 = May damage fertility or the unborn child
T = Toxic
R36/38- Irritating to eyes and skin.
R40- Possible risks of irreversible effects.
R60 = May impair fertility.
R61 = May cause harm to the unborn child.
R62- Possible risk of impaired fertility.
Safety Phrase: S24/25- Avoid contact with skin and eyes.
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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Last 21 August, 2017
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