Home Categories Inorganic chemistry Sodium tetraborate
A7264012

Sodium tetraborate , Waterless grade, ≥99% , 1330-43-4

Synonym(s):
Borax;Borax, fused;di-Sodium tetraborate;Sodium tetraborate

CAS NO.:1330-43-4

Empirical Formula: B4Na2O7

Molecular Weight: 201.22

MDL number: MFCD00081185

EINECS: 215-540-4

Pack Size Price Stock Quantity
500G RMB60.00 In Stock
1KG RMB108.00 In Stock
5KG RMB319.20 In Stock
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Update time: 2022-07-08

PRODUCT 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)

Description and 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.

Safety

Symbol(GHS) 
GHS07,GHS08
Signal word  Danger
Hazard statements  H319-H360FD
Precautionary statements  P202-P264-P280-P305+P351+P338-P308+P313-P337+P313
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
34
TSCA  Yes
HS Code  28401100
Hazardous Substances Data 1330-43-4(Hazardous Substances Data)

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