Sodium citrate dibasic sesquihydrate

SIAL/71635 - purum p.a., ≥99.0% (T)

Synonym: Citric acid disodium salt; Disodium hydrogen citrate sesquihydrate

CAS Number: 6132-05-4
Empirical Formula (Hill Notation): C₆H₆Na₂O₇ · 1.5H₂O
Molecular Weight: 263.11
EC Number: 205-623-3
MDL Number: MFCD00674116
Linear Formula: HOC(COOH)(CH₂COONa)₂ · 1.5H₂O
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-71635-250G	250 g	$45.70 1/EA	Add To Favorites
45-71635-1KG	1 kg	$162.00 1/EA	Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

anion traces	chloride (Cl^-): ≤50 mg/kg
	sulfate (SO₄^2-): ≤50 mg/kg
assay	≥99.0% (T)
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
functional group	carboxylic acid
grade	purum p.a.
InChI	1S/C6H8O7.2Na.H2O/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);;;1H2/q;2*+1;/p-2
InChI key	XNZQCYSOYHAYII-UHFFFAOYSA-L
pH	4.6-5.2 (25 °C, 50 mg/mL in H₂O)
Quality Level	200
SMILES string	O.O.O.[Na+].[Na+].[Na+].[Na+].OC(=O)CC(O)(CC([O-])=O)C([O-])=O.OC(=O)CC(O)(CC([O-])=O)C([O-])=O
solubility	water: soluble 263.1 g/L

Application:	Sodium citrate dibasic sesquihydrate may be employed in the following studies: • In the Supel Que Citrate (EN) tubes for the quantification of pesticides in blackcurrants by triple quadrupole GC-QqQ-MS/MS [Gas chromatography coupled to tandem mass spectrometry (GC-MS/MS) coupled with triple quadrupole (QqQ) analyzer] method. • Dispersive solid phase extraction (dSPE) method, commonly referred as QuEChERS.2 • Preparation of RNA precipitation solution.
General description:	Sodium citrate dibasic sesquihydrate is a colorless crystalline sodium salt.
Packaging:	1 kg in poly bottle
Packaging:	250 g in poly bottle

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

Purity	≥99.0% (T)
UNSPSC	12352100

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