Sodium citrate tribasic dihydrate

SIAL/71406 - purum p.a., ≥99.0% (NT)

Synonym: Citric acid trisodium salt dihydrate; Trisodium citrate dihydrate

CAS Number: 6132-04-3
Empirical Formula (Hill Notation): C₆H₅Na₃O₇ · 2H₂O
Molecular Weight: 294.10
EC Number: 200-675-3
MDL Number: MFCD00150031
Linear Formula: HOC(COONa)(CH₂COONa)₂ · 2H₂O
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-71406-500G	500 g	$101.00 1/EA	Add To Favorites
45-71406-5KG	5 kg	$569.00 1/EA	Add To Favorites

Properties
Safety Info.
Basic Data

anion traces	chloride (Cl^-): ≤50 mg/kg
	sulfate (SO₄^2-): ≤50 mg/kg
assay	≥99.0% (NT)
cation traces	Ca: ≤50 mg/kg
	Cd: ≤50 mg/kg
	Co: ≤50 mg/kg
	Cu: ≤50 mg/kg
	Fe: ≤50 mg/kg
	K: ≤100 mg/kg
	Ni: ≤50 mg/kg
	Pb: ≤50 mg/kg
	Zn: ≤50 mg/kg
form	crystals
grade	purum p.a.
InChI	1S/C6H8O7.3Na.2H2O/c7-3(8)1-6(13,5(11)12)2-4(9)10;;;;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;;21H2/q;3+1;;/p-3
InChI key	NLJMYIDDQXHKNR-UHFFFAOYSA-K
mp	>300 °C (lit.)
pH	7.0-9.0 (25 °C, 50 mg/mL in H₂O)
Quality Level	100
SMILES string	O.O.[Na+].[Na+].[Na+].OC(CC([O-])=O)(CC([O-])=O)C([O-])=O
solubility	water: very soluble 24.9 g/L at 20 °C

RIDADR	NONH for all modes of transport
WGK Germany	WGK 1
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Purity	≥99.0% (NT)
mp	>300 °C (lit.)
UNSPSC	12161700

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