Caffeine, 98.5%, specified according to the req. of USP/BP, Thermo Scientific Chemicals

Description

The crystalline powder form of the stimulant caffeine, CAS # 58-08-2, purified for analytical chemistry applications such as HPLC.

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

General description

• Caffeine is an alkaloid vagal/vasomotor stimulant found in certain nuts, seeds, and legumes
• It is a methylxanthine, derived from a purine base compound found in the tissues of many organisms
• Caffeine competitively binds adenosine receptors and prevents signaling from dampening, thereby sustaining activation, and producing increases in energy

Specifications

Chemical Identifiers

• CAS: 58-08-2
• Molecular Formula: C8H10N4O2
• Molecular Weight (g/mol): 194.19
• MDL Number: MFCD00005758
• InChI Key: RYYVLZVUVIJVGH-UHFFFAOYSA-N
• Synonym: caffeine, 1,3,7-trimethylxanthine, guaranine, thein, cafeina, methyltheobromine, koffein, mateina, theine, alert-pep
• PubChem CID: 2519
• ChEBI: CHEBI:27732
• IUPAC Name: 1,3,7-trimethylpurine-2,6-dione
• SMILES: CN1C=NC2=C1C(=O)N(C)C(=O)N2C

• Acidity: 0.2mL of 0.01M NaOH max.
• Melting Point: 234.0°C to 239.0°C
• Color: White
• Density: 1.2300g/mL
• Loss on Drying: 0.5% max.
• Infrared Spectrum: Authentic
• Assay Percent Range: 0.1% max. (total impurities) (HPLC)
• Packaging: Plastic bottle
• Quantity: 500 g
• Beilstein: 26,461
• Merck Index: 15,1639
• Specific Gravity: 1.23
• Solubility Information: Solubility in water: 20g/l (20°C). Other solubilities: 1g/66 mL alcohol,1g/50 mL acetone,freely soluble in pyrrole,soluble in ethyl acetate
• Sublimation Point: 178 °C
• Residual Solvents: meets the requirements
• Formula Weight: 194.19
• Percent Purity: 98.5%
• Related Substances: 0.5% max. (TLC)
• Physical Form: Crystalline Powder or Crystals
• Chemical Name or Material: Caffeine, 98.5%

Safety and Handling

Product Identifier

• Caffeine

Signal Word

• Warning

Hazard Category

• Acute toxicity Category 4

Hazard Statement

• H302-Harmful if swallowed.

Precautionary Statement

• P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
• P280-Wear protective gloves/protective clothing/eye protection/face protection.

RUO – Research Use Only