Hexachlorocyclopentadiene suppliers
Hexachlorocyclopentadiene
- CAS:
- 77-47-4
- MF:
- C5Cl6
- MW:
- 272.77
Properties
- Melting point:
- −10 °C(lit.)
- Boiling point:
- 239 °C753 mm Hg(lit.)
- Density
- 1.702 g/mL at 25 °C(lit.)
- vapor pressure
- 0.13 psi ( 20 °C)
- refractive index
- n
20/D 1.5644(lit.)
- Flash point:
- 109 °C
- storage temp.
- 2-8°C
- solubility
- Chloroform (Sparingly), Ethyl Acetate (Slightly)
- form
- Yellow to amber-colored liquid
- color
- Colourless to Pale Yellow
- Water Solubility
- 805ug/L(22.5 ºC)
- Henry's Law Constant
- 1.64(x 10-2 atm?m3/mol) at 25 °C (gas stripping-GC, Warner et al., 1987) 1.6(x 10-2 atm?m3/mol) (Pankow and Rosen, 1988)
- Exposure limits
- NIOSH REL: 10 ppb (100 mg/m3); ACGIH TLV: TWA 0.01 ppm (adopted), 0.002 mg/m3 ppm (skin).
- Dielectric constant
- 2.9100000000000001
- Stability:
- Stability Stable, but light-sensitive. Non-flammable. Very reactive with alkenes and polynuclear hydrocarbons. Explosive with sodium. Incompatible with strong oxidizing agents, most common metals.
Safety Information
- Symbol(GHS)
GHS05, GHS06, GHS09
- Signal word
- Danger
- Hazard statements
- H302-H311-H314-H330-H410
- Precautionary statements
- P260-P273-P280-P284-P305+P351+P338-P310
- Hazard Codes
- T+,N,T,F
- Risk Statements
- 22-24-26-34-50/53-39/23/24/25-23/24/25-52/53-11
- Safety Statements
- 23-39-45-61-60-53-25-36/37-16
- RIDADR
- UN 2646 6.1/PG 1
- OEB
- D
- OEL
- TWA: 0.01 ppm (0.1 mg/m3)
- WGK Germany
- 3
- RTECS
- GY1225000
- F
- 10-23
- HazardClass
- 6.1(a)
- PackingGroup
- I
- Toxicity
- Drinking water standard (final): MCLG: 50 μg/L:MCL: 50 μg/L. In addition, a DWEL of 200 μg/L was recommended (U.S. EPA, 2000).
Use
Hexachlorocyclopentadiene is a pale-yellow/lemon-yellow liquid with a characteristic musty or pungent odour (odour threshold – 0.03 ppm). Hexachlorocyclopentadiene does not occur naturally but is a manufactured chemical. It easily evaporates into the air. Hexachlorocyclopentadiene is the key intermediate in the manufacture of some pesticides, including heptachlor, chlordane, aldrin, dieldrin, and endrin. Hexachlorocyclopentadiene is also used in the manufacture of flame retardants and some resins, shock-proof plastics, fluorocarbons, and dyes. Hexachlorocyclopentadiene quickly breaks down by sunlight and reacts with other chemicals in the air.
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