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Safety Information

3200-OP

Millipore

Citric Acid

OmniPur® Grade, >= 99.5%, Anhydrous

Synonym(s):

Citric acid

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About This Item

Linear Formula:
HOC(COOH)(CH2COOH)2
CAS Number:
Molecular Weight:
192.12
Beilstein:
782061
MDL number:
UNSPSC Code:
12352106
NACRES:
NA.28

Quality Level

Assay

≥99.5%

form

crystalline powder (Fine)

expl. lim.

8 %, 65 °F

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze

color

white

pKa 

(1) 3.13, (2) 4.76, (3) 6.4

mp

153-159 °C (lit.)

solubility

water: 1330 g/L at 20 °C

foreign activity

DNAse, none detected
Protease, none detected

shipped in

ambient

storage temp.

10-30°C

SMILES string

OC(=O)CC(O)(CC(O)=O)C(O)=O

InChI

1S/C6H8O7/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)

InChI key

KRKNYBCHXYNGOX-UHFFFAOYSA-N

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General description

Molecular biology grade.

Specifications:
Assay: ≥99.5%
Chloride (Cl): ≤0.001%
DNase: None detected
Residue after ignition: ≤0.02%
Insoluble matter: ≤0.005%
Oxalate (C2O4): ≤0.05%
Phosphate (PO4): ≤0.001%
Protease: None detected





Intended for laboratory and manufacturing use only. Not for drug, food, or household use.

Application


  • Transmembrane Chemical Absorption Process for Recovering Ammonia as an Organic Fertilizer Using Citric Acid as the Trapping Solution.: This study explores the use of citric acid in a transmembrane absorption process to recover ammonia, enhancing the efficiency of organic fertilizer production (Reyes Alva et al., 2024).

  • Effect of Different Irrigating Solutions on Root Canal Dentin Microhardness-A Systematic Review with Meta-Analysis.: This systematic review evaluates the impact of various irrigating solutions, including citric acid, on the microhardness of root canal dentin, contributing to dental material science (Agarwal et al., 2024).

  • Applications and Characterization of Anti-Browning Enzymatically Modified Potato Starch (EPS) Film Associated with Chitosan (CTS)/L-Cys/Citric Acid (CA) on Fresh-Cut Potato Slices.: The research focuses on using citric acid in combination with other substances to create an anti-browning film for food preservation, highlighting advancements in food chemistry (Zhu et al., 2024).

  • Cervical Percutaneous Interferential Current Stimulation Improves Citric Acid Cough Tests in Patients with Parkinson′s Disease on Medication.: This clinical trial examines the therapeutic use of citric acid in cough tests for patients with Parkinson′s disease, showcasing its potential in clinical biochemistry applications (Nakamori et al., 2024).

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
OMNIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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