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OCR for page 3
l
l
D Group
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3
TENTATIVE CLASSIFICATION OF GASES AND VAPORS
BY CHEMICAL FAMILIES
(Compounds listed have already been classified by NEC/UL)
Aliphatic hydrocarbons: methane, ethers, propane, butane,
n-pentane, iso-pentane, iso-hexane,
n-heptane, octane
Alicyclic hydrocarbons with larger rings: (cf. cyclopentadiene - 1, 3 -- B (D),
and cyclopropane -- Ct)
Higher olefins: propylene, isoprene, diisobutylene (cf. butadiene -- B (D),
and dicyclopentadiene -- Ct)
Aromatic hydrocarbons: benzene, toluene, xylenes, styrene
Alcohols: methyl, ethyl, propyl, butyls, amyls (cf. allyl-- C)
Phenols
Ketones b acetone, butanone, methyl isobutyl ketone, mesityl oxide
(cf. ketone-- Ct)
Organic acids and anhydrides: acetic acid
Esters: ethyl acetate, isobutyl acetate, vinyl acetate, ethyl acrylate
(cf. propiolactone-- C*)
Ethers not containing ~-CH2 or ACHY: isopropyl ether
Glycols ant] their esters
Chlorinated hydrocarbons: ethylene chloride
Primary amines: ethyl mine, ethylenediamine
Delano! amines
Aromatic hydrazines
Aromatic nitro compounds: (cfo dinitrotoluene -- C)
Cyanides, nitrites, i socyanates: acrylonitrile
Aromatic heterocyclic nitrogen compounds: pyridine
Amides
Organo phosphates
Organo sulfates and sulfones
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.
OCR for page 4
1
4
C Group
Higher acetylenes: methyl acetylene (cf. acetylene -- A)
Small unsaturated alcohols: allyl
Aldehydes; acetaldehyde, n-butyraldehy~le, (cfo formaldehyde -- B*t,
and acrolein -- B (~)
Ethers containing ~-CH2 or ~-CH3: ethyl ether
Glycol ethers
Cyclic ethers larger than 3-membered ring (but including epichiorohydrin -- C)
Secondary and tertiary amines: cliethylamine, triethylam~ne
Aliphatic nitro compounds: 2-nitropropane
Aliphatic heterocyclic nitrogen compounds: ethylene imine
Organo lead compounds
Mercaptans and sulfides; hydrogen sulfide (cf. carbon bisulfide -- A)
B (C) Group:
Ethers, 3-membered ring: ethylene oxide, propylene oxide
NOTE: Groups A, B. and B (D) are not included because no chemical families
for these groups could be established.
Representative terms from entire chapter:
esters chlorinated