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A3238112

p, p’-DDE , Analysis standard , 72-55-9

Synonym(s):
p,p-DDE;1,1-Dichloro-2,2-bis(4-chlorophenyl)ethene;1,1-Dichloro-2,2-bis(4-chlorophenyl)ethene solution;4,4′-DDE;4,4′-DDE solution

CAS NO.:72-55-9

Empirical Formula: C14H8Cl4

Molecular Weight: 318.03

MDL number: MFCD00000837

EINECS: 200-784-6

Pack Size Price Stock Quantity
250MG RMB239.20 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: 88-90 °C(lit.)
Boiling point: 403.45°C (rough estimate)
Density  1.3406 (rough estimate)
vapor pressure  13 at 30 °C (Wescott et al., 1981)
refractive index  1.6000 (estimate)
Flash point: 11 °C
storage temp.  2-8°C
solubility  ethanol: soluble
form  Solid
color  White, crystalline, odorless powder
Water Solubility  292mg/L(25 ºC)
BRN  1913355
Henry's Law Constant 0.33 at 25 °C (gas stripping-GC, Jantunen and Bidleman, 2006)
Stability: Stable, but light-sensitive. Incompatible with strong bases, strong oxidizing agents.
EPA Substance Registry System p,p'-DDE (72-55-9)

Description and Uses

1,1-Dichloro-2,2-bis(4-chlorophenyl)ethane(DDE) has been used to study the ability of Pseudomonas acidovorans M3GY to transform DDE and its unchlorinated analog, 1,1-diphenylethylene (DPE).It has been used to investigate the role of incubation time, solvent type, yeast inoculum growth stage and concentration on the results of yeast assay for estrogenic compounds.

Safety

Symbol(GHS) 
GHS06,GHS08,GHS09
Signal word  Danger
Hazard statements  H301-H351-H372-H410
Precautionary statements  P201-P273-P301+P310+P330
Hazard Codes  Xn,N,T,F
Risk Statements  22-40-50/53-52/53-39/23/24/25-23/24/25-11-67-65-38-51/53
Safety Statements  36/37-60-61-45-16-7-62-33-29-9
RIDADR  UN 3077 9/PG 3
WGK Germany  3
RTECS  KV9450000
HazardClass  9
PackingGroup  III
HS Code  29036990
Hazardous Substances Data 72-55-9(Hazardous Substances Data)
Toxicity Acute oral LD50 for rats 880 mg/kg (RTECS, 1985).

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