Filter Guide

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When selecting a filtering device, a number of factors that can not be defined a priori and which can only be deduced from a correct and accurate risk analysis, must be considered.
The type of application, concentration, temperature, humidity, olfactory threshold, and individuality of the operator are just some of the aspects that contribute to the correct choice of the filter device.

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Substance Name	CAS Number	Formula	B.P.°C	Filter	Olfactory Threshold mg/m3	TLV mg/m3	TLV PPM	Physiological Action
Hydrogen fluoride	7664-39-3	HF	19,4	B	0,033	2,3C	3C	Toxic, corrosive, causes burns, inflammatory
Vinyl acetate	108-05-4	C4H6O2	73	A	0,36	35	10	Irritating skin, narcotic
Formic acid	64-18-6	CH2O2	100,8	A	0,0045	9,4	5	Corrosive, ulcerative, irritant: mucous membranes
Chlorosulfonic acid	7790-94-5	HSO3Cl	151	BP3	-	-	-	Lacrimogen, sneezing
Acetaldheyde	75-07-0	CH3CHO	28,8	AX	0,0002	45C	25C	irritates nose, eyes ,cough headhace
Amyl acetate	123-92-2	CH3COOC5H11	148	A	0,026	150	713	irritates eyes, nose, throat. Nausea,cough, hemicrania
Hydrogen cloride	7647-01-0	HCl	-84,8	B E	7	7,5C	5C	Caustic, irritating, causes dermatitis
n-Butyl acetate	123-86-4	CH3COO(CH2)3CH3	126	A	0,009	150	730	irritates eyes, nose, throat. Nausea,cough, hemicrania
Nitric acid	7697-37-2	HNO3	86	NO-P3	0,75	2,6	1	Toxic, corrosive, pulmonary edema.
Hydrogen bromide	10035-10-6	HBr	66,8	B	6,66	6,7	2	Highly toxic, depression, skin rash
Hydrogen sulfide	7783-06-4	H2S	-60,2	B	0,00007	7,1	5	Irritating, Headache, cough very toxic
Hydrogen cynide	74-90-8	HCN	-	B	0,9	1	0,9	Highly toxic, headache, convulsions, dizziness
Acetic acid	64-19-7	C2H4O2	116	A	2,5	25	10	Caustic, irritating, causes dermatitis
Acetylene	74-86-2	C2H2	-	***	657,2	nn	nn	asphyxiating
Acetone	67-64-1	C3H6O	56	AX	47,5	1200	500	Irritating: skin, mucous membranes, respiratory tract
Hydrogen iodide	10034-85-2	HI	127	B	-	-	-	Rrritating the mucous membranes. Stomatitis, pharyngitis edema.
Acetonitrile	75-05-8	C2H3N	82	A	70	70	40	Highly toxic, headache, convulsions, dizziness
Benzyl bromide	100-39-0	C7H7Br	199	A	-	-	-	Tear gas and toxic
chloroprene	126-99-8	C4H5Cl	60	AX	-	36	10	Toxic central nervous system
Ethyl bromide	74-96-4	C2H5Br	38	AX	890	22	5	Toxic narcotic. Causal conjunctivitis. Carcinogenic suspicion

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