Boric acid#10043-35-3

Using advanced production processes and automated control technologies, key process parameters are monitored and recorded in real time to ensure that the production process is stable, controllable and traceable.

Classification:Inorganic Salt
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PRODUCT DESCRIPTION

Orthoboric acid Chemical Properties

Melting point

160 °C (dec.) (lit.)

Boiling point

219-220 °C (9.7513 mmHg)

density

1.440 g/cm3

vapor pressure

2.6 mm Hg ( 20 °C)

storage temp.

Store at +5°C to +30°C.

solubility

H2O: soluble

form

working solution

pka

8.91±0.43(Predicted)

Specific Gravity

1.435

color

≤10(APHA)

Odor

Odorless

PH Range

3.8 - 4.8

PH

3.6-4.4 (25℃, saturated solution in H2O)

Water Solubility

49.5 g/L (20 ºC)

Sensitive

Hygroscopic

λmax

λ: 260 nm Amax: 0.05λ: 280 nm Amax: 0.05

Merck

14,1336

BRN

1697939

Exposure limits

ACGIH: TWA 2 mg/m3; STEL 6 mg/m3

InChIKey

KGBXLFKZBHKPEV-UHFFFAOYSA-N

LogP

-1.09 at 22℃

CAS DataBase Reference

10043-35-3(CAS DataBase Reference)

NIST Chemistry Reference

B(OH)3(10043-35-3)

EPA Substance Registry System

Orthoboric acid (10043-35-3)

Safety Information

Hazard Codes

Xi,T,Xn

Risk Statements

36/37/38-60-63-62-61

Safety Statements

26-36-53-45-37/39-36/37/39-22-24/25-23

WGK Germany

2

RTECS

ED4550000

F

3

TSCA

Yes

HS Code

28100090

Hazardous Substances Data

10043-35-3(Hazardous Substances Data)

Toxicity

LD50 orally in rats: 5.14 g/kg (Smyth).

Product Application of Orthoboric acidCAS#10043-35-3

It is widely used in the glass industry (optical glass, acid-resistant glass, heat-resistant glass, glass fiber for insulating materials), which can improve the heat resistance and transparency of glass products, improve mechanical strength, and shorten melting time. In the enamel and ceramic industry, it is used to enhance the gloss and fastness of enamel products, and is also one of the components of glaze and pigment. In the metallurgical industry, it is used as an additive and solvent, especially boron steel with high hardness and good ductility, which can replace nickel steel. Boric acid has anti-corrosion properties and can be used as a preservative, such as wood antiseptic. It is used in metal welding, leather, photography and other industries, as well as in the manufacture of dyes, heat-resistant and fire-resistant fabrics, artificial gems, capacitors, and cosmetics. It can also be used as an insecticide and catalyst. In agriculture, boron-containing trace element fertilizers have fertilizer effects on many crops, can improve crop quality and increase yield. Boric acid is also one of the basic raw materials for the production of other borides. The boron compounds produced by it are widely used in national defense and other industrial departments and scientific research units.



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