MilliporeSigma
All Photos(2)

1.06448

Supelco

Sodium citrate, dihydrate

for analysis EMSURE® ACS,ISO,Reag. Ph Eur

Synonym(s):
Sodium citrate tribasic dihydrate, Trisodium Citrate, Sodium Citrate, Dihydrate, Citric acid trisodium salt dihydrate, Trisodium citrate dihydrate
Linear Formula:
HOC(COONa)(CH2COONa)2 · 2H2O
CAS Number:
Molecular Weight:
294.10
Beilstein:
6104939
MDL number:
EC Index Number:
200-675-3

grade

ACS reagent

Quality Level

Agency

reag. ISO
reag. Ph. Eur.

product line

EMSURE®

Assay

99.0-101.0% (perchloric acid titration)
99.0-101.0% anhydrous basis (perchloric acid titration)

form

solid

potency

>8000 mg/kg LD50, oral (Rat)

composition

Water, 11-13%

impurities

≤0.005% Insoluble matter

pH

7.5-9.0 (25 °C, 50 g/L in H2O)

mp

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

bulk density

600 kg/m3

anion traces

chloride (Cl-): ≤0.001%
oxalate (C2O42-): ≤0.0300%
phosphate (PO43-): ≤0.002%
sulfate (SO42-): ≤0.004%

cation traces

Ca: ≤0.005%
Fe: ≤0.0005%
N: ≤0.001%
NH4+: ≤0.003%
heavy metals: ≤0.0005%
heavy metals (as Pb): ≤0.0005%

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

Looking for similar products? Visit Product Comparison Guide

Related Categories

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
1.064461.37042567446
Sodium citrate, dihydrate for analysis EMSURE® ACS,ISO,Reag. Ph Eur

Supelco

1.06448

Sodium citrate, dihydrate

tri-Sodium citrate dihydrate powder, EMPROVE® ESSENTIAL, Ph. Eur., BP, JP, USP, E 331

SAFC

1.06446

tri-Sodium citrate dihydrate

TRI-SODIUM CITRATE DIHYDRATE crystalline, EMPROVE® EXPERT, Ph. Eur., BP, JP, USP, ACS

SAFC

1.37042

TRI-SODIUM CITRATE DIHYDRATE

Sodium citrate, dihydrate Molecular Biology Grade

Millipore

567446

Sodium citrate, dihydrate

assay

99.0-101.0% (perchloric acid titration), 99.0-101.0% anhydrous basis (perchloric acid titration)

assay

-

assay

-

assay

≥99% (titration)

form

solid

form

powder, solid

form

crystalline, solid

form

crystalline solid

impurities

≤0.005% Insoluble matter

impurities

-

impurities

-

impurities

-

pH

7.5-9.0 (25 °C, 50 g/L in H2O)

pH

7.5-9.0 (25 °C, 50 g/L in H2O)

pH

7.5-9.0 (25 °C, 50 g/L in H2O)

pH

-

mp

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

mp

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

mp

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

mp

>300 °C (lit.)

Linkage

Replaces: SX0445; SX0445-1; SX0445-3; SX0445-5; SX0445-20

Analysis Note

Assay (perchloric acid titration): 99.0 - 101.0 %
Assay (Perchloric acid titration, calc. on anhydrous substance): 99.0 - 101.0 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.005 %
pH-value (5 %; water; 25 °C): 7.5 - 9.0
Acidity or alkalinity: passes test
Chloride (Cl): ≤ 0.001 %
Oxalate (C₂O₄): ≤ 0.0300 %
Phosphate (PO₄): ≤ 0.002 %
Sulfate (SO₄): ≤ 0.004 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (ACS): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
Ca (Calcium): ≤ 0.005 %
Fe (Iron): ≤ 0.0005 %
NH₃ (Ammonia): ≤ 0.003 %
Readily carbonisable substance: passes test
Water: 11.0 - 13.0 %
Corresponds to ACS,ISO,Reag. Ph Eur

Legal Information

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (Example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service