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33253 Boric acid, ACS, 99.5% min

CAS Number
10043-35-3
Synonyms
Boracic acid
Orthoboric acid

Stock No. Size Price ($) Quantity Availability
33253-36 500g 45.60
33253-A3 2kg 103.00
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Boric acid, ACS, 99.5% min

MDL
MFCD00011337
EINECS
233-139-2

Chemical Properties

Formula
BH3O3
Formula Weight
61.83
Form
Granular
Melting point
ca 185° dec.
Flash Point
None
Density
1.435
Storage & Sensitivity
Ambient temperatures.
Solubility
Soluble in water (1 gram in 18ml cold or 4ml boiling water). Solubility in water is increased by addition of HCl, citric or tartaric acidIt is fairly soluble in boiling water but less in cold water. Soluble in lower alcohols, acetone and moderately soluble in pyridine.

Grade Specifications

Maximum level of impurities: Insoluble in methanol 0.005%, Nonvolatile with methanol 0.5%, Cl 0.001%, PO4 0.001%, SO4 0.01%, Ca 0.005%, Heavy Metals (as Pb) 0.001%, Fe 0.001%

Applications

In hardening steel, preservatives, manufacturing of cements, porcelain, enamels, glass, borates, artificial gems, in nickeling baths, painting, photographyIt is a precursor material for other boron compounds. A dilute water solution of boric acid is usually employed as a mild antiseptic and eyewash. Boric acid is too employed in leather manufacture, electroplating, and cosmetics.

Notes

It should be stored separately from strong bases and at room temperature. Boric acid can be crystallized from an acidified borax solution.

Literature References

Matsumiya, H.; Hara, T. Conversion of glucose into 5-hydroxymethylfurfural with boric acid in molten mixtures of choline salts and carboxylic acids Biomass Bioenerg. 2015, 72, 227-232.

Kajiwara, M.; Ito, Y. N.; Miyazaki, Y.; Fujimori, T.; Takehara, K.; Yoshimura, K. Voltammetric study of the boric acid-salicylaldehyde-H-acid ternary system and its application to the voltammetric determination of boron. Phys. Chem. Chem. Phys. 2015, 17, 4578-4588.

GHS Hazard and Precautionary Statements

Hazard Statements: H303-H360

May be harmful if swallowed. May damage fertility or the unborn child.

Precautionary Statements: P201-P312a-P308+P313

Obtain special instructions before use. Call a POISON CENTER/doctor if you feel unwell. IF exposed or concerned: Get medical advice/attention.

Other References

Merck
14,1336
Beilstein
1697939
Harmonized Tariff Code
2810.00
TSCA
Yes
RTECS
ED4550000

Recommended

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  • 36665

    Citric acid monohydrate, ACS, 99.0-102.0%
  • 53131

    Nickel(II) chloride hexahydrate, 99.95% (metals basis)

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