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Home> Encyclopedia > Hot Product Listed B   > Boric acid
11113-50-1 structure

Boric acid

CAS No.:11113-50-1
EINECS(EC#): 234-343-4
Molecular Weight:61.83302
Molecular Formula:BH3O3 (isomer)
Names and Identifiers
Synonyms

Boric acid BoricAcid(AS),Borofax borid acid Borsrenatliche

Inchi
InChI=1S/BH3O3/c2-1(3)4/h2-4H
Canonical Smiles
B(O)(O)O
Properties
Appearance
Clear, dark blueLiquid
Density
1.437
Melting Point
170.9 deg C
Solubility
Solubility: in glycerol 17.5% at 25 deg C; ethylene glycol 18.5% at 25 deg C; in methanol 173.9 g/L at 25 deg C; in ethanol 94.4 g/L at 25 deg C; in acetone 0.6% at 25 deg C; ethyl acetate 1.5% at 25 deg C
Water solubility: 2.52% at 0 deg C; 3.49% at 10 deg C; 4.72% at 20 deg C; 6.23% at 30 deg C; 8.08% at 40 deg C; 10.27% at 50 deg C; 12.97% at 60 deg C; 15.75% at 70 deg C; 19.10% at 80 deg C; 23.27% at 90 deg C; 27.53% at 100 deg C<
Color/Form
Colorless, transparent crystals or white granules or powder
Colorless triclinic crystals
White waxy triclinic solid plates
HS Code
2810002000
Spectral properties
INDEX OF REFRACTION: 1.337, 1.461, 1.462
Safety and Handling
Skin, Eye, and Respiratory Irritations
Irritant to skin in dry form.
Boric acid ... produced mild eye irritation in the Draize test in rabbits.
... May produce irritation of the nasal mucous membranes, the respiratory tract, and eyes. /Boron compounds/
Products containing 0.4% and 2.4% boric acid were moderately irritating and practically nonirritating /to the skin/, respectively.
Fire Potential
Not flammable
Formulations/Preparations
Technical, 99.9%; CP; USP
Three grades of granular and powdered boric acid are manufactured in the United States. ... technical grade, NF grade ... /and/ special quality grade
Saturated solutions at 0 deg C contain 2.6% acid; at 100 deg C, 28% boric acid is soluble
Single Active Ingredient Products: Wettable powder 99.0%; Dust 99.0%, 64.0%, and 65.0%; Liquid Concentrate 26.3%; Ready-to-Use Paste 50.0%; Pelleted/Tableted 40.0%; Bait Tube 53.3%.
Exposure Standards and Regulations
Drug products containing certain active ingredients offered over-the-counter (OTC) for certain uses. A number of active ingredients have been present in OTC drug products for various uses, as described below. However, based on evidence currently available, there are inadequate data to establish general recognition of the safety and effectiveness of these ingredients for the specified uses: boric acid is included in topical acne drug products; dandruff/seborrheic dermatitis/psoriasis drug products; skin bleaching drug products; astringent drug products; fever blister and cold sore treatment drug products; insect bite and sting drug products; poison ivy, poison oak, poison sumac drug products; ophthalmic anti-infective drug products; diaper rash drug products; and antiseptic drug products.
Reactivities and Incompatibilities
During an attempt to make triacetyl borate, a mixture of boric acid and acetic anhydride exploded when heated to 58-60 deg C.
A mixture of potassium and /boric acid/ ... may explode on impact ...
Incompatible /with/ alkali carbonates and hydroxides.
Other Preventative Measures
Containers of boric acid should bear an autoclavable poison label.
Avoid depositing product onto exposed food and feed processing, preparation and serving surfaces, or introducing material into air. Do not apply when food processing facility is in operation. Any product visible after application must be brushed into cracks and crevices, or removed. Place product in areas that are inaccessible to children and pets.
Protective Equipment and Clothing
Irritant to skin in dry form.
Boric acid ... produced mild eye irritation in the Draize test in rabbits.
... May produce irritation of the nasal mucous membranes, the respiratory tract, and eyes. /Boron compounds/
Products containing 0.4% and 2.4% boric acid were moderately irritating and practically nonirritating /to the skin/, respectively.
Octanol/Water Partition Coefficient
log Kow = 0.175
Disposal Methods
SRP: The most favorable course of action is to use an alternative chemical product with less inherent propensity for occupational exposure or environmental contamination. Recycle any unused portion of the material for its approved use or return it to the manufacturer or supplier. Ultimate disposal of the chemical must consider: the material's impact on air quality; potential migration in soil or water; effects on animal, aquatic, and plant life; and conformance with environmental and public health regulations.
MSDS

2.Hazard identification

2.1 Classification of the substance or mixture

Reproductive toxicity, Category 1B

2.2 GHS label elements, including precautionary statements

Pictogram(s)
Signal word

Danger

Hazard statement(s)

H360FD

Precautionary statement(s)
Prevention

P201 Obtain special instructions before use.

P202 Do not handle until all safety precautions have been read and understood.

P280 Wear protective gloves/protective clothing/eye protection/face protection.

Response

P308+P313 IF exposed or concerned: Get medical advice/ attention.

Storage

P405 Store locked up.

Disposal

P501 Dispose of contents/container to ...

2.3 Other hazards which do not result in classification

none

Precursor and Product
Computational chemical data
  • Molecular Weight:61.83302g/mol
  • Molecular Formula:BH3O3
  • Exact Mass:62.017524
  • Monoisotopic Mass:62.017524
  • Complexity:8
  • Rotatable Bond Count:0
  • Hydrogen Bond Donor Count:3
  • Hydrogen Bond Acceptor Count:3
  • Topological Polar Surface Area:60.7
  • Heavy Atom Count:4
  • Defined Atom Stereocenter Count:0
  • Undefined Atom Stereocenter Count:0
  • Defined Bond Stereocenter Count:0
  • Undefined Bond Stereocenter Count:0
  • Isotope Atom Count:0
  • Covalently-Bonded Unit Count:1
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