vapona

[FQ]

Hi,
are you shure to use Vapona is a good idea?

Ciao
Fulvio


General Description
NAME : Dichlorvos (DDVP)
SYNONYM : 2,2-Dichlorovinyl Dimethyl Phosphate; Vapona;
2,2-Dichlorobinyldimethyl Phosphate; DDVP prior to

DESCRIPTION :
Colorless to amber liquid with a mild, chemical odor.
MW: 221       BP: 140 C at 20 mm        VP: 0.012 mm

Health Factors
IARC : Group 3, not classifiable as to its carcinogenicity to humans
SYMPTOM : Miosis, aching eyes; rhinorrhea; headaches; tight chest,
wheezing,laryngeal spasms; salivation; cyanosis; anorexia, nausea,
vomiting,diarrhea; sweating; muscle fasciculation, paralysis, giddiness,
ataxia;convulsions;
low blood pressure; cardiac irregularities; skin, eyeirritation
HEALTH EFFECTS : Cholinesterase inhibition (HE6); LD50 (oral,rat) 56-80
mg/kg
ORGAN : Respiratory system, CVS, CNS, eyes, skin, blood cholinestera


>I found the additional information from Paul Cherubini on vapona
>useful and interesting. While eliminating most chemical use for the
>museum collection, I still
>use vapona for collections at home, and in other situations where
>specimens are at greater risk.

John Grehan
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