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Citric acid, 99+%, Thermo Scientific Chemicals
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Catalog No. AAA103950B
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Citric acid is the most widely used organic acid and pH-control agent in foods, beverages, pharmaceuticals and technical applications. Used in pharmaceutical preparations, especially in effervescent tablets. It is used as a natural preservative.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Citric acid is the most widely used organic acid and pH-control agent in foods, beverages, pharmaceuticals and technical applications. Used in pharmaceutical preparations, especially in effervescent tablets. It is used as a natural preservative.

Solubility
Soluble in water, alcohol, ether, dimethylsufoxide and ethylacetate.

Notes
Hygroscopic. Incompatible with alkalies, bases, metal nitrates and oxidizing agents.

Chemical Identifiers

CAS

77-92-9

Molecular Formula

C6H8O7

Molecular Weight (g/mol)

192.12

MDL Number

MFCD00011669

InChI Key

KRKNYBCHXYNGOX-UHFFFAOYSA-N

Synonym

citric acid, citric acid, anhydrous, citro, anhydrous citric acid, citrate, aciletten, citretten, chemfill, hydrocerol a, 1,2,3-propanetricarboxylic acid, 2-hydroxy

PubChem CID

311

ChEBI

CHEBI:30769

IUPAC Name

2-hydroxypropane-1,2,3-tricarboxylic acid

SMILES

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

Specifications

pH

1.6

Melting Point

153°C to 154°C

Beilstein

782061

Merck Index

14,2326

Solubility Information

Soluble in water,alcohol,ether,dimethylsufoxide and ethylacetate.

Formula Weight

192.13

Percent Purity

≥99%

Density

1.665

Quantity

1000 g

Odor

Odorless

Chemical Name or Material

Citric acid

Hazard Category

H319-H335-H500

Hazard Statement

GHS H Statement
H318-H335-H315
Causes serious eye damage.
May cause respiratory irritation.
Causes skin irritation.

Precautionary Statement

P261-P264b-P271-P280i-P304+P340-P305+P351+P338-P312-P501c

EINECSNumber

201-069-1

RTECSNumber

GE7350000

TSCA

Yes

Recommended Storage

Ambient temperatures

RUO – Research Use Only

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