77-47-4(Hexachlorocyclopentadiene) Product Description

77-47-4

CAS No.77-47-4

Chemical Name:Hexachlorocyclopentadiene

CBNumber:CB3432075

Molecular Formula:C5Cl6

Formula Weight:272.77

MOL File:Mol file

Hexachlorocyclopentadiene Synonyms:

HEXACHLOROCYCLOPENTADIENE
CYCLOPENTADIENE HEXACHLORIDE
PERCHLOROCYCLOPENTADIENE
1,2,3,4,5,5’-Hexachloro-1,3-cyclopentadiene
hccp
Hccpd
Hexachlorcyklopentadien
hexachlorcyklopentadien(czech)

Hexachlorocyclopentadiene Property

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	n20/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.
CAS DataBase Reference	77-47-4(CAS DataBase Reference)
NIST Chemistry Reference	1,3-Cyclopentadiene, 1,2,3,4,5,5-hexachloro-(77-47-4)
EPA Substance Registry System	Hexachlorocyclopentadiene (77-47-4)

Safety

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
Hazardous Substances Data:	77-47-4(Hazardous Substances Data)
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).

MSDS

1,2,3,4,5,5-Hexachlorocyclopenta-1,3-diene MSDS1,2,3,4,5,5-Hexachlorocyclopenta-1,3-diene

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