366919

Chloroform

ACS spectrophotometric grade, ≥99.8%, contains 0.5-1.0% ethanol as stabilizer

• Synonym(s): Methylidyne trichloride, Trichloromethane
• Empirical Formula (Hill Notation): CHCl₃
• CAS Number: 67-66-3
• Molecular Weight: 119.38
• Beilstein/REAXYS Number: 1731042
• MDL number: MFCD00000826
• UNSPSC Code: 12191502
• PubChem Substance ID: 329755456
• NACRES: NA.04

Properties

• grade: ACS spectrophotometric grade
• Quality Level: 100
• vapor density: 4.1 (vs air)
• vapor pressure: 160 mmHg ( 20 °C)
• assay: ≥99.8%
• form: liquid
• contains: 0.5-1.0% ethanol as stabilizer
• technique(s): UV/Vis spectroscopy: suitable
• impurities: Acetone and aldehyde, passes test; Acid and chloride, passes test; Free chlorine (Cl), passes test; H₂SO₄, passes test (darkened); <0.03% water
• evapn. residue: <0.001%
• color: APHA: ≤10
• refractive index: n20/D 1.445 (lit.)
• bp: 60.5-61.5 °C (lit.)
• mp: −63 °C (lit.)
• density: 1.48 g/mL at 25 °C (with ethanol stabilizer); 1.492 g/mL at 25 °C (lit.)
• cation traces: Pb: ≤0.05 ppm
• λ: H₂O reference
• UV absorption: λ: 245 nm A_max: 1.00; λ: 255 nm A_max: 0.25; λ: 260 nm A_max: 0.15; λ: 270 nm A_max: 0.05; λ: 290-400 nm A_max: 0.01
• SMILES string: ClC(Cl)Cl
• InChI: 1S/CHCl3/c2-1(3)4/h1H
• InChI key: HEDRZPFGACZZDS-UHFFFAOYSA-N

Description

General description

Chloroform is a is a colorless, volatile chlorinated organic solvent whose vapors have narcotic effect. It is susceptible to degradation with time which can be suppressed by adding ethanol as a stabilizer. Since ethanol is added in higher concentration it leads to increase in polarity which may have a potential influence on some of the applications. Spectrophotometric grade chloroform shows low UV absorption which makes it an ideal solvent for spectrophotometry.

Application

Chloroform (spectrophotometric grade) was used in the following processes:

• Synthesis of colloidal hydrophobic CdSe core nanocrystals (quantum dots).
• Preparing phospholipid solutions.
• As a solvent in the photolysis reaction of ruthenium complexes.

It may be used as:

• Solvent for recrystallization.
• Reference compound to detect the presence of chloroform in Tobacco smokes.
• Extractant in solvent extraction process.

Safety Information

• pictograms: GHS06,GHS08
• signalword: Danger
• hcodes: H302,H315,H319,H331,H336,H351,H361d,H372
• pcodes: P202 - P301 + P312 - P302 + P352 - P304 + P340 + P311 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Repr. 2 - Skin Irrit. 2 - STOT RE 1 Oral - STOT SE 3
• target_organs: Central nervous system, Liver,Kidney
• Storage Class: 6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• wgk_germany: WGK 3
• flash_point_f: does not flash
• flash_point_c: does not flash