Citric acid, 99+%, Thermo Scientific Chemicals

Description

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.

Specifications

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

• 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

Safety and Handling

Product Identifier

• Citric acid

Signal Word

• Warning

Hazard Category

• Serious eye damage/eye irritation Category 2
• Specific target organ toxicity Category 3

Hazard Statement

• H319-Causes serious eye irritation.
• H335-May cause respiratory irritation.

Precautionary Statement

• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
• P312-Call a POISON CENTER/doctor/if you feel unwell.

Supplemental information

• MIXTURE LIST-Contains : citric acid

RUO – Research Use Only