Chloroform suppliers
Chloroform
- CAS:
- 67-66-3
- MF:
- CHCl3
- MW:
- 119.38
Properties
- Melting point:
- -63 °C
- Boiling point:
- 61 °C
- Density
- 1.492 g/mL at 25 °C(lit.)
- vapor density
- 4.1 (vs air)
- vapor pressure
- 160 mm Hg ( 20 °C)
- refractive index
- n
20/D 1.445(lit.)
- Flash point:
- 60.5-61.5°C
- storage temp.
- 2-8°C
- solubility
- Miscible with diethyl ether, oils, ligroin, alcohol, carbon tetrachloride and carbon disulfide.
- pka
- 15,5(at 25℃)
- form
- Liquid
- color
- ≤10(APHA)
- Relative polarity
- 0.259
- Odor
- Ethereal, sweet odor detectable at 133 to 276 ppm (mean = 192 ppm)
- Odor Threshold
- 3.8ppm
- Water Solubility
- 8 g/L (20 ºC)
- λmax
- λ: 245 nm Amax: 1.00
λ: 255 nm Amax: 0.15
λ: 260 nm Amax: 0.15
λ: 270 nm Amax: 0.02
λ: 290-400 nm Amax: 0.01
- Merck
- 14,2141
- BRN
- 1731042
- Henry's Law Constant
- 1.07 at 2 °C, 1.49 at 6 °C, 1.79 at 10 °C, 3.02 at 18 °C, 4.02 at 25 °C, 5.20 at 30 °C, 7.60 at 40 °C, 11.1 at 50 °C, 14.8 at 60 °C (EPICS-SPME-GC, G?rgényi et al., 2002))
- Exposure limits
- Potential occupational carcinogen. NIOSH REL: STEL (1 h) 2 ppm (9.78 mg/m3), IDLH 500 ppm; OSHA PEL: ceiling 50 ppm (240 mg/m3); ACGIH TLV: TWA 10 ppm (adopted).
- Dielectric constant
- 5.5（0℃）
- Stability:
- Volatile
- LogP
- 1.970
Safety Information
- Symbol(GHS)
GHS02,GHS07,GHS08
- Signal word
- Danger
- Hazard statements
- H225-H319-H336-H351-H361d-H373
- Precautionary statements
- P202-P210-P233-P240-P305+P351+P338-P308+P313
- Hazard Codes
- Xn,F,T,Xi
- Risk Statements
- 45-46-11-23/24/25-36/37/38-48/20/22-40-38-22-67-66-36/38-41-37/38-39/23/24/25-20-63-20/22-36-48/20
- Safety Statements
- 9-16-26-36-36/37-45-36/37/39-25-23-53-33-7
- RIDADR
- UN 1888 6.1/PG 3
- WGK Germany
- 3
- RTECS
- FS9100000
- TSCA
- Yes
- HazardClass
- 6.1
- PackingGroup
- III
- HS Code
- 29031300
- Toxicity
- LD50 (14 day) orally in rats: 2.18 ml/kg (Smyth); 0.9 ml/kg (Kimura)
- IDLA
- 500 ppm
Use
Chloroform (CHCl3) was first discovered in 1831 by American physician Samuel Guthrie; and independently a few months later by Frenchman Eugne Soubeiran and Justus von Liebig in Germany. Chloroform was named and chemically characterised in 1834 by Jean-Baptiste Dumas. Its anaesthetic properties were noted early in 1847 by Marie-Jean-Pierre Flourens. Unlike ether, chloroforms characteristically sweet odour isnt irritating, although inhalation of concentrated chloroform vapour may cause irritation of exposed mucous surfaces. Chloroform is a more effective anaesthetic than nitrous oxide. In 1864, the Report of Chloroform Committee of Royal Medical and Chirurgical Society endorsed chloroform as Britains favourite anaesthetic. But ether was safer for patients. In 1871, leading anaesthetic manufacturer Edward E. Squibb of Brooklyn estimated [New York Medical Journal (April 1871) 13;389] that of 400,000 administrations of anaesthesia in the USA in 1870, chloroform was the agent used in some 50%, ether for 40%, and other gases and mixtures accounted for the rest.
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