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1.06432

tri-Sodium citrate dihydrate

Name: tri-Sodium citrate dihydrate
Brand: MM

crystalline, EMPROVE^® ESSENTIAL, Ph. Eur., BP, JP, USP, E 331

Synonym(s):

Sodium citrate tribasic dihydrate, Trisodium Citrate, Sodium Citrate, Dihydrate, Citric acid trisodium salt dihydrate, Trisodium citrate dihydrate

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About This Item

Linear Formula:

HOC(COONa)(CH₂COONa)₂ · 2H₂O

CAS Number:

6132-04-3

Molecular Weight:

294.10

UNSPSC Code:

12352107

EC Index Number:

200-675-3

E Number:

E331

MDL number:

MFCD00150031

Beilstein/REAXYS Number:

6104939

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Properties

Quality Level

500

agency

BP, JP, Ph. Eur., USP

product line

EMPROVE^® ESSENTIAL

form

crystalline, solid

pH

7.5-9.0 (25 °C, 50 g/L in H₂O)

pKa

(1) 3.1, (2) 4.8, (3) 6.4

mp

150 °C (anhydrous substance), >300 °C (lit.)

application(s)

liquid formulation
ophthalmics
pharmaceutical
semi-solid formulation
solid formulation

storage temp.

2-30°C

SMILES string

O.O.[Na+].[Na+].[Na+].OC(CC([O-])=O)(CC([O-])=O)C([O-])=O

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);;;;2*1H2/q;3*+1;;/p-3

InChI key

NLJMYIDDQXHKNR-UHFFFAOYSA-K

Description

General description

Finding the right excipient that matches your needs as well as regulatory demands can be a complicated challenge. With our application know-how and regulatory expertise, we support you in every step of development, scale-up, and production.
As part of our Emprove^® Program, our raw materials are offered with extensive documentation facilitating compliance of your pharma and biopharma product, full supply chain transparency and risk mitigation. Our SAFC^® portfolio of high-quality products for biopharmaceutical and pharmaceutical formulation and production withstands strict quality control procedures and is produced according to applicable cGMP guidelines.

Application

tri-Sodium citrate dihydrate is typically used as a citrate buffer system component for biomolecule downstream chromatography steps or final liquid formulation.

Legal Information

Emprove is a registered trademark of Merck KGaA, Darmstadt, Germany

SAFC is a registered trademark of Merck KGaA, Darmstadt, Germany

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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c