Borax Anhydrous

SIAL/71997 - BioUltra, anhydrous, ≥99%

Synonym: Sodium tetraborate

CAS Number: 1330-43-4
Empirical Formula (Hill Notation): B₄Na₂O₇
Molecular Weight: 201.22
EC Number: 215-540-4
MDL Number: MFCD00081185
Linear Formula: Na₂B₄O₇
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-71997-100G	100 g	$117.00 1/EA	Add To Favorites
45-71997-500G	500 g	$448.00 1/EA	Add To Favorites

Properties
Safety Info.
Basic Data

λ	0.1 M in H₂O
anion traces	chloride (Cl^-): ≤10 mg/kg
	phosphate (PO₄^3-): ≤20 mg/kg
	sulfate (SO₄^2-): ≤50 mg/kg
assay	≥99%
cation traces	Al: ≤5 mg/kg
	As: ≤0.5 mg/kg
	Ba: ≤5 mg/kg
	Bi: ≤5 mg/kg
	Ca: ≤50 mg/kg
	Cd: ≤5 mg/kg
	Co: ≤5 mg/kg
	Cr: ≤5 mg/kg
	Cu: ≤5 mg/kg
	Fe: ≤5 mg/kg
	K: ≤50 mg/kg
	Li: ≤5 mg/kg
	Mg: ≤5 mg/kg
	Mn: ≤5 mg/kg
	Mo: ≤5 mg/kg
	Ni: ≤5 mg/kg
	Pb: ≤5 mg/kg
	Sr: ≤5 mg/kg
	Zn: ≤5 mg/kg
form	crystals
impurities	insoluble matter, passes filter test
InChI	1S/B4O7.2Na/c5-1-7-3-9-2(6)10-4(8-1)11-3;;/q-2;2*+1
InChI key	UQGFMSUEHSUPRD-UHFFFAOYSA-N
loss	≤1% loss on drying, 20 °C (HV)
pH	9.0-10.5 (25 °C, 0.1 M in H₂O)
product line	BioUltra
Quality Level	200
SMILES string	[Na+].[Na+].[O-]B1Ob2ob([O-])ob(O1)o2
solubility	H₂O: 0.1 M at 20 °C, clear, colorless
UV absorption	λ: 260 nm A_max: ≤0.020
	λ: 280 nm A_max: ≤0.015

Symbol	GHS07,GHS08
Signal word	Danger
Hazard statements	H319 - H360FD
Precautionary statements	P202 - P264 - P280 - P305 + P351 + P338 - P308 + P313 - P337 + P313
Hazard Codes	T
Risk Statements	60-61
Safety Statements	53-45
RIDADR	NONH for all modes of transport
WGK Germany	WGK 1
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Purity	≥99%
UNSPSC	12352302

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