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Sodium tetraborate

Product Name
Sodium tetraborate
CAS No.
1330-43-4
Chemical Name
Sodium tetraborate
Synonyms
BORAX;Na2B4O7;SODIUM BORATE;BUFFER SOLUTION;Anhydrous borax;DI-SODIUM TETRABORATE;Sodium borate anhydrous;pH standard;Sodium tetraborate, anhydrous, for analysis, 99.5%;fr28
CBNumber
CB6233954
Molecular Formula
B4Na2O7
Formula Weight
201.22
MOL File
1330-43-4.mol
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Sodium tetraborate Property

Melting point:
741 °C (lit.)
Boiling point:
1575°C
Density 
2.367 g/mL at 25 °C (lit.)
vapor pressure 
7.3 hPa (1200 °C)
refractive index 
1.501
Flash point:
1575°C
storage temp. 
Store at +5°C to +30°C.
solubility 
H2O: 0.1 M at 20 °C, clear, colorless
form 
Solid
Specific Gravity
2.367
color 
White
PH
9.0-10.5 (25℃, 0.1M in H2O)
Water Solubility 
26 g/L (20 ºC)
Sensitive 
Hygroscopic
λmax
λ: 260 nm Amax: ≤0.020
λ: 280 nm Amax: ≤0.015
Merck 
14,8590
Exposure limits
ACGIH: TWA 2 mg/m3; STEL 6 mg/m3
NIOSH: TWA 1 mg/m3
Stability:
Stable. Incompatible with powdered metals.
InChIKey
UQGFMSUEHSUPRD-UHFFFAOYSA-N
NIST Chemistry Reference
Sodium borate(1330-43-4)
EPA Substance Registry System
Sodium tetraborate (1330-43-4)
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Safety

Hazard Codes 
Xn,Xi,T
Risk Statements 
62-63-36/38-36/37/38-61-60
Safety Statements 
36/37-24/25-26-36-23-45-53
RIDADR 
UN 1760 8/PG 2
OEB
C
OEL
TWA: 1 mg/m3
WGK Germany 
1
RTECS 
ED4588000
F 
34
TSCA 
Yes
HS Code 
28401100
Hazardous Substances Data
1330-43-4(Hazardous Substances Data)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H319Causes serious eye irritation

Precautionary statements

P202Do not handle until all safety precautions have been read and understood.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P308+P313IF exposed or concerned: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
221732
Product name
Sodium tetraborate
Purity
99%
Packaging
100g
Price
$39.7
Updated
2024/03/01
Sigma-Aldrich
Product number
221732
Product name
Sodium tetraborate
Purity
99%
Packaging
500g
Price
$67.8
Updated
2024/03/01
Sigma-Aldrich
Product number
1.06309
Product name
di-Sodium tetraborate
Purity
anhydrous 99.99 Suprapur?
Packaging
25g
Price
$153
Updated
2024/03/01
Sigma-Aldrich
Product number
1.06306
Product name
di-Sodium tetraborate
Purity
anhydrous for analysis
Packaging
250g
Price
$221
Updated
2024/03/01
Sigma-Aldrich
Product number
1.06306
Product name
di-Sodium tetraborate
Purity
anhydrous for analysis
Packaging
1kg
Price
$339
Updated
2024/03/01
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Sodium tetraborate Chemical Properties,Usage,Production

Chemical Properties

Sodium borate, Na2B407.10H20, also known as sodium tetraborate and sodium pyrobomte, is a white crystalline powder that melts at 120°C (248 °F). Sodium borate in its natural impure form is also known as borax, Borax is a noncombustible (an inherent fire retardant), bluish-gray or green, odorless crystalline powder or granules. Sodium borate is used in glass and ceramic enamel mixes,detergents, fertilizers, pharmaceuticals, and photograph.

Uses

Refined borax (Na2B4O7) is an additive in laundry products such as soaps and water-softening compounds. Also used for cosmetics, body powders, and the manufacture of paper and leather. Borax is an environmentally safe natural herbicide and insecticide.

Uses

Sodium Tetraborate, is an important boron compound, which has a wide variety of applications. It is a component of many detergents, cosmetics, and enamel glazes. It is also used to make buffer solutions in biochemistry, as a fire retardant, as an anti-fungal compound for fiberglass, as a flux in metallurgy, neutron-capture shields for radioactive sources, a texturing agent in cooking, and as a precursor for other boron compounds.

Production Methods

Anhydrous borax is produced from borax through high temperature fusion. On cooling, the clear, glass-like material is ground into fine white granules. Because of its higher bulk density, it is preferred where storage space is limited. It is used principally in the manufacture of glass, ceramics, and enamel.

General Description

Pale yellow solid or thick liquid with a faint odor of detergent. Mixes with water. Soap bubbles may be produced.

Air & Water Reactions

Water soluble.

Reactivity Profile

SODIUM PEROXOBORATE is incompatible with the following: Zirconium, strong acids, metallic salts . The true peroxoborate has been reported to detonate on light friction. The common "tetrahydrate" is not a peroxoborate, Sodium tetraborate is relatively stable under mild grinding with other substances.

Health Hazard

No adverse effects from inhaling borax have been reported. Ingestion may cause acute or chronic effects; initial symptoms are nausea, vomiting, and diarrhea; these may be followed by weakness, depression, headaches, skin rashes, drying skin, cracked lips, and loss of hair; shock may follow ingestion of large doses and may interfere with breathing. Eye contact with powder or solutions may cause irritation; no chronic effects have been recognized, but continued contact should be avoided. Local skin irritation may result from contact with powder or strong solutions; the latter may cause chronic dermatitis on prolonged contact, and if skin is broken, enough boron may be absorbed to cause boron poisoning (symptoms are similar to those for ingestion).

Agricultural Uses

Sodium tetraborate, also called borax, sodium borate, sodium pyroborate and sodium tetraborate decahydrate (Na2B4O7.10H2O) is a type of borate, and is used as a fertilizer to reduce boron deficiency. It is a white salt, finely ground for fertilizer application.
Sodium tetraborate(Na2B4O7) and sodium metaborate (Na2B2O4) are non-selective, taken up by roots, and have an unknown mechanism of action. Boron accumulates in reproductive structures after translocation from roots. Boron compounds are used for long-term, nonselective weed control in industrial and power line areas in combination with triazine and urea herbicides.

Safety Profile

A nuisance dust. Experimental reproductive effects. When heated to decomposition it emits toxic vapors of B.

Potential Exposure

Borax is used as a soldering flux, preservative against wood fungus; and as an antiseptic. Used in ant poisons, for fly control around refuse and manure piles, as a larvicide. It is used in the manufacture of enamels and glazes, fiberglass insulation; sodium perborate bleach; in tanning, cleaning compounds; for fireproofing fabrics and wood; and in artificial aging of wood.

Purification Methods

Most of the water of hydration is removed from the decahydrate (see below) by evacuation at 25o for three days, followed by heating to 100o and evacuation with a high-speed diffusion pump. The dried sample is then heated gradually to fusion (above 966o), allowed to cool gradually to 200o, then tranferred to a desiccator containing P2O5 [Grenier & Westrum J Am Chem Soc 78 6226 1956]. [Becher in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol I pp 794-795 1963.]

Incompatibilities

Dissolves in water forming a basic solution. Boron dust may form explosive mixture with air. Contact with strong oxidizers may be violent. Boron is incompatible with ammonia, bromine tetrafluoride, cesium carbide, chlorine, fluorine, interhalogens, iodic acid, lead dioxide, nitric acid, nitric oxide, nitrosyl fluoride, nitrous oxide, potassium nitrite, rubidium carbide, silver fluoride.

Waste Disposal

Borax, dehydrated: The material is diluted to the recommended provisional limit (0.10 mg/L) in water. The pH is adjusted to between 6.5 and 9.1 and then the material can be discharged into sewers or natural streams.

Sodium tetraborate Preparation Products And Raw materials

Raw materials

Jaw crusher

Preparation Products

Boron 2,4,5-Trichlorophenol 1,1-diethylguanidine hydrochloride Boron nitride
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View Lastest Price from Sodium tetraborate manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
Sodium tetraborate 1330-43-4
Price
US $30.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
5000kg/week
Release date
2024-05-28
Hebei Weibang Biotechnology Co., Ltd
Product
Sodium tetraborate 1330-43-4
Price
US $100.00/kg
Min. Order
1kg
Purity
99%min
Supply Ability
200TON
Release date
2024-10-30
Hebei Yanxi Chemical Co., Ltd.
Product
Sodium tetraborate 1330-43-4
Price
US $0.00/kg
Min. Order
1kg
Purity
0.99
Supply Ability
20 tons
Release date
2023-11-13

1330-43-4, Sodium tetraborateRelated Search:

Sodium citrate Sodium bicarbonate Sodium chloride Sodium perborate Sodium hydroxide Sodium acetate Sodium benzoate Disodium succinate SODIUM TETRABORATE PENTAHYDRATE Sodium sulfate Sodium tetraborate decahydrate Ethylenediaminetetraacetic acid disodium salt Diclofenac sodium Sodium chlorite BUFFER SOLUTION, PH 4.00 +/-0.02,BUFFER SOLUTION, PH 3.00 +/-0.02 Sodium borate silicate Lithium tetraborate Sodium Monofluorophosphate

  • Anhydrous borax
  • anhydrousborax
  • Antipyoninum
  • B4-Na2-O7
  • borates,tetra,sodiumsalt,anhydrous
  • borates,tetra,sodiumsalts(anhydrous)
  • borates,tetra,sodiumsalts(pentahydrate)
  • borax(anhydrous)
  • borax,dehydrated
  • di-Sodium tetraborate anhydrous 99.99 Suprapur
  • di-Sodium tetraborate anhydrous for analysis
  • ZIRCONYL NITRATE SOLUTION PHE
  • Borax, Sodium Borate
  • boricacid(h2b4o7),disodiumsalt
  • boricacid(h2b4o7),sodiumsalt
  • Dehybor
  • di-Sodiumtetraborate,anhydrou
  • FB 48
  • fr28
  • fusedsodiumborate
  • Na2B4O7
  • rasorite65
  • Sodium borate anhydrous
  • BORIC ACID DISODIUM SALT
  • BUFFER 4.01
  • BUFFER SOLUTION SODIUM TETRABORATE
  • Buffer solution pH 9.2
  • BUFFER SOLUTION
  • BUFFER/INDICATOR SOLUTION
  • BUFFER PH 10.01
  • DI-SODIUM TETRABORATE
  • DEHYBOR(R)
  • FUSED BORAX
  • GLASS BORATE
  • SPECTROMELT(R) B 10
  • SODIUM BORATE
  • SODIUM BIBORATE
  • SODIUM TETRABORATE
  • PH=9.2
  • Sodium tetraborate, anhydrous, for analysis, 99.5%
  • SODIUM TETRABORATE, ANHYDROUS REAGENT
  • Sodiumtetraborate,anhydrous(99.999%-B)(50ppmK)PURATREM
  • Sodiumtetraborate,anhydrous,99+%
  • sodium tetraborate, anhydrous, puratronic
  • SODIUMBORATE,TECHNICAL
  • ANYHYDROUSSODIUMTETRABORATE
  • SodiuM tetraborate, 98%, for analysis, anhydrous
  • Disodium tetraborate,anhydrous
  • BORAX BUFFER SOLUTION
  • SODIUM TETRABORATE ANHYDROUS, DECOMPOSER
  • SODIUM TETRABORATE, 99.999%
  • SODIUM TETRABORATE GRANULATED, DRY
  • BoraxAnhydrous98.5%
  • DI-SODIUM TETRABORATE ANHYDROUS SUPRAPUR
  • DI-SODIUM TETRABORATE ANHYDROUS GR FOR A
  • SPECTROMELT B 10 DI-SODIUM TETRABORATE
  • Borax Anhydrous puriss. p.a., anhydrous, >=98.0% (T)
  • SodiuM tetraborate 99%