ChemicalBook CAS DataBase List Sodium tetraborate

Sodium tetraborate

$14 - $1110

Product nameSodium tetraborate
Cas No1330-43-4
MFB4Na2O7
MW201.22
EINECS215-540-4
MDL NumberMFCD00081185

Synonyms

Buffer solution pH 9.00 (20°C);ZINC CHLORIDE - FORMIC ACID SOLUTION PHE;ZINC ACETATE SOLUTION PHE;sodiumborate,anhydrous ;sodiumboronoxide ;sodiumtetraborate(anhydrous) ;sodiumtetraborate(na2b4o7) ;sodiumtetraborate,anhydrous

Price

Brand	Packaging	Price	Product name
AK Scientific Y2095	5g	$14	Sodium tetraborate, anhydrous
Alfa Aesar J67259	250ml	$34.2	Borate, 0.5M buffer soln., pH 8.5, low endotoxin
Alfa Aesar J60068	250ml	$81.6	Sodium borate, 0.5M buffer soln., pH 8.0
Alfa Aesar J60803	250ml	$82.4	Borate, 0.5M buffer soln., pH 8.5
Alfa Aesar 010875	25g	$83	Sodium tetraborate, anhydrous, Puratronic?
Alfa Aesar J60979	500ml	$84.1	Borate-buffered saline (5X)
Alfa Aesar J62902	250ml	$84.6	Sodium borate, 0.5M buffer soln., pH 8.5
Alfa Aesar J67128	100ml	$42.21	Borate, 0.5M buffer soln., pH 9.0, low endotoxin
Alfa Aesar J67259	100ml	$46.3	Borate, 0.5M buffer soln., pH 8.5, low endotoxin
Alfa Aesar 012305	1kg	$55.5	Sodium tetraborate, anhydrous, 99.5% (metals basis)

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Properties

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)

Sodium tetraborate

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