Borax

Borax, kent as sodium borate, sodium tetraborate, or disodium tetraborate an aw, is an important boron compoond, a meeneral, an a saut o boric acid.

Borax

Names
IUPAC name Sodium tetraborate decahydrate
Identifiers
CAS Nummer	1303-96-4 (decahydrate) Y
3D model (JSmol)	Interactive eemage
ChEBI	CHEBI:86222 N
ChEMBL	ChEMBL1076681 N
ChemSpider	17339255 Y
EC Nummer	215-540-4
KEGG	D03243 N
PubChem CID	11954323
UNII	91MBZ8H3QO Y
InChI InChI=1S/B4O7.2Na.10H2O/c5-1-7-3-9-2(6)10-4(8-1)11-3;;;;;;;;;;;;/h;;;10*1H2/q-2;2*+1;;;;;;;;;; Y Key: CDMADVZSLOHIFP-UHFFFAOYSA-N Y InChI=1/B4O7.2Na.10H2O/c5-1-7-3-9-2(6)10-4(8-1)11-3;;;;;;;;;;;;/h;;;10*1H2/q-2;2*+1;;;;;;;;;; Key: CDMADVZSLOHIFP-UHFFFAOYAP
SMILES [Na+].[Na+].[O-]B1OB2OB([O-])OB(O1)O2.O.O.O.O.O.O.O.O.O.O
Properties
Chemical formula	Na2B4O7·10H2O or Na2[B4O5(OH)4]·8H2O
Molar mass	381.38 (decahydrate) 201.22 (anhydrate)
Appearance	white solit
Density	1.73 g/cm3 (solid)
Meltin pynt	743 °C (1,369 °F; 1,016 K) anhydrate
Bylin pynt	1,575 °C (2,867 °F; 1,848 K)
Magnetic susceptibility	−85.0·10−6 cm3/mol
Structur
Creestal structur	Monoclinic Prismatic
Space group	C2/c
Pynt group	2/m
Pharmacology
ATC code	S01AX07 (WHO)
Hazards
GHS pictograms
GHS hazard statements	H360
GHS precautionary statements	P201, P308+313
NFPA 704	0 1 0
US heal exposur leemits (NIOSH):
PEL (Permissible)	none
REL (Recommendit)	TWA 1 mg/m3 (anhydrate an pentahydrate) TWA 5 mg/m3 (decahydrate)
IDLH (Immediate danger)	N.D.
Relatit compoonds
Ither anions	Sodium aluminate; sodium gallate
Ither cations	Potassium tetraborate
Relatit compoonds	Boric acid, sodium perborate
Except whaur itherwise notit, data are gien for materials in thair staundart state (at 25 °C [77 °F], 100 kPa).
N verify (whit is YN ?)
Infobox references