Chemistry 130 course documents archive

Chemical compounds and reagents

Contents

Storage groups

Segregate toxic substances according to Stanford’s Compatible Storage Group classification system:

  • A: Compatible Organic Bases, Flammables, and Poisons
  • B: Compatible Pyrophoric and Water Reactive Materials
  • C: Compatible Inorganic Bases, Oxidizers, and Poisons
  • D: Compatible Organic Acids, Flammables, and Poisons
  • E: Compatible Oxidizers, Organic Peroxides and Acids
  • F: Compatible Inorganic Acids not including Oxidizing or Organic Acids
  • G: Non Reactive Materials
  • H: Flammable and Pyrophoric Compressed Gases
  • I: Compatible Corrosive and Oxidizing Gases and Inert Gases
  • J: Poison Compressed Gases, not Flammable or Reactive
  • K: Compatible Explosive or other highly Unstable Material
  • L: Non-Reactive Flammable and Combustible, including solvents
  • X: Incompatible with all other storage groups
  • U: Storage Group unknown, no data available

Note: These storage groups are used for solids, liquids, and gases. Stock rooms should be well marked and ventilated by their own local exhaust systems.

Questions? Call EH & S Hazardous Materials at 725-1472.

These Storage Groups (except for X and K) can be stored on the same shelf or within the same cabinet if each Group is segregated by secondary containment:

A, B, D, G, L

C, E, F, G

K, X = Store separately

Solvents

2-liter containers

  • acetone
  • ethyl alcohol, 95%
  • ethyl alcohol, abs.
  • ethyl ether, anh.

1-liter/pint containers

  • butyl alcohol, n-
  • butyl alcohol, tert.
  • cyclohexane
  • diethylene glycol
  • ethyl acetate
  • ethylene glycol
  • ethylene glycol dimethyl ether (substitutes dioxane)
  • methanol
  • pentane
  • petroleum ether
  • propanol, iso-
  • propylene glycol
  • toluene
  • triethylene glycol
  • xylenes

For:
chloroform
metylene chloride
carbontetrachloride
See your T.A.

Key to storage group colors

Noxious chemicals (hood)

  1. acetic anhydride
  2. acetonitrile (also 353)
  3. acetyl chloride
  4. aniline
  5. benzoyl chloride
  6. benzylamine (also 101, 323)
  7. bromine (see your TA)
  8. bromine water (saturated)
  9. bromine solution (also 28)
  10. benzene sulfonyl chloride (also 109)
  11. bromobenzene
  12. chlorobenzene (also 344)
  13. chloroacetyl chloride
  14. n,n-dimethylaniline (also 325)
  • 65. dimethyl sulfoxide (D.M.S.O.)
  • 66. methyl iodide (iodomethane) Fridge!
  • 68. hexane (also 124)
  • 69. 1-hexene
  • 70. hydrazine (anhydrous)
  • 71. hydrazine hydrate (also 125, 359)
  • 72. mercaptoacetic acid (also 127) Fridge!
  • 74. phenylhydrazine
  • 75. phenylisothiocyanate (also 138)
  • 76. pyridine
  • 77. thionyl chloride
  • 78. triethylamine (also 328)
  • 79. chlorosulfonic acid
  • 111. carbon disulfide

Key to storage group colors

Compounds used for derivatives

  • 101. benzylamine (Hood, #55)
  • 105. 2-bromoacetophenone
  • 106. p-bromoaniline
  • 107. p-bromobenzene sulfonyl chloride
  • 109. benzene sulfonyl chloride (Hood, #59)
  • 111. carbon disulfide (Hood)
  • 113. s-(p-chlorobenzyl) thiuronium chloride
  • *** 2,4-dinitrobenzene sulfenyl chloride (Refrigerator)
  • 118. 3,5-dinitrobenzoic acid
  • 119. 3,5-dinitrobenzoyl chloride
  • 120. 2,4-dinitrophenylhydrazine
  • 124. hexane (Hood, #68)
  • 125. hydrazine hydrate (Hood, #71)
  • 126. hydroxylamine hydrochloride
  • 127. mercaptoacetic acid (Hood, #72)
  • 133. p-nitrobenzoyl chloride
  • 134. p-nitrophenyl hydrazine
  • 137. phenyl isocyanate (Refrigerator)
  • 138. phenyl isothiocyanate (Hood, #75)
  • 139. phenylhydrazine hydrochloride
  • 143. phthalic anhydride
  • 144. picric acid (see TA)
  • 145. piperidine
  • 147. semicarbazide hydrochloride
  • 152. p-toluene sulfonyl chloride
  • 153. p-toluidine
  • 156. xanthydrol (see TA)

2,4-dibromoacetophenone = 4'-bromophenacyl bromide (see your TA)

Note: Do not use alpha naphthyl isocyanate

Key to storage group colors

Inorganic compounds

  • 200. aluminum chloride
  • 204. chromium trioxide
  • 206. cupric sulfate, anh.
  • 207. ferric chloride
  • 208. ferrous ammonium sulfate
  • 211. iodine
  • 216. magnesium turnings (see TA)
  • 217. magnesium sulfate, anh.
  • 226. potassium carbonate
  • 228. potassium hydroxide
  • 229. potassium iodide
  • 230. potassium permanganate
  • 236. sodium bicarbonate
  • 238. sodium metabisulfite
  • 239. sodium carbonate
  • 240. sodium chloride
  • 241. sodium hydrogen sulfite
  • 242. sodium hydroxide
  • 244. sodium nitrite
  • 246. sodium sulfate, anh.
  • 250. tin metal, 30 mesh
  • 251. tin metal, 200 mesh
  • 252. zinc chloride
  • 253. zinc metal, dust

Key to storage group colors

Basic and acid solutions

  • sodium hydroxide, 1N
  • sodium hydroxide, 5% aq. solut.
  • sodium hydroxide, 10% aq. solut.
  • sodium hydroxide, 24% (6N) aq. solut.
  • sodium bicarbonate, 5% aq. solut.
  • sodium carbonate, 10% aq. solut.
  • sodium chloride, saturated solution
  • hydrochloric acid, 5% aq. solut.
  • hydrochloric acid, 10% aq. solut.
  • hydrochloric acid, 1N

Refrigerator

  • hydrogen peroxide, 12%
  • hydrogen peroxide, 30%

Fume hood

  • ammonium hydroxide, conc.
  • ammonium hydroxide, 2% aq. solut.
  • hydrochloric acid, conc.
  • sulfuric acid, conc.
  • sulfuric acid 30% aq. solut.
  • sulfuric acid 10% aq. solut.
  • phosphoric acid, conc.
  • nitric acid, conc.
  • nitric acid, 10% aq. solut.
  • acetic acid, glacial
  • formic acid, conc.

Key to storage group colors

Known compounds

Acetyls

  1. 2,2-dimethoxypropane

Carboxylic acid and salts

  1. oxalic acid
  2. sodium acetate, 3 aq.
  3. benzoic acid
  4. salicylic acid
  5. sodium benzoate

Alcohols

  1. allyl alcohol
  2. benzyl alcohol
  3. n-butyl alcohol (see solvents)
  4. sec-butyl alcohol
  5. tert-butyl alcohol (see solvents)
  6. ethylene glycol
  7. glycerol

Aldehydes

  1. benzaldehyde
  2. formaldehyde
  3. heptaldehyde
  4. salicylaldehyde

Amides

  1. acetanilide
  2. benzamide
  3. thiourea
  4. urea

Amines

  1. aniline (hood, #53)
  2. benzylamine (hood, #55)
  3. 2,4-dinitroaniline
  4. n,n-dimethylaniline (hood, #63)
  5. n-methylaniline
  6. piperidine (see derivatives, #145)
  7. triethylamine (hood, #78)

Amino acids

  • 329. alanine
  • 330. p-aminobenzoic acid
  • 333. dextrose

Esters and ethers

  1. ethyl acetate (see solvent)
  2. ethyl acetoacetate
  3. ethyl benzoate
  4. anisole

Halides

  1. bromobenzene (hood, #60)
  2. 1-bromobutane (n-butyl bromide)
  3. sec. butyl bromide (2-bromobutane)
  4. tert-butyl bromide (2-bromo-2-methyl propane)
  5. chlorobenzene (hood, #61)

Aromatic

  1. naphthalene
  2. toluene (see solvents)

Unsat. hydrocarbons

  1. cyclohexene

Ketones

  1. acetophenone
  2. benzophenone
  3. 2-butanone (methyl ethyl ketone)

Nitriles

  1. acetonitrile (hood, #51)
  2. benzonitrile

Nitro compounds

  1. m-dinitrobenzene
  2. nitroethane

Azoxy. azo. hydrazo. compounds

  1. azobenzene
  2. azoxybenzene
  3. hydrazine hydrate (hood, #71)

Phenols

  1. 2-naphthol
  2. phenol
  3. resorcinol

Sulfonamides

  1. benzene sulfonamide

Sulfonic acids

  1. p-toluenesulfonic acid
  1. purpald
  1. sucrose (powder)

Key to storage group colors

Reagents

  • 5. cerric ammonium nitrate solution
  • 9. 2,4-dinitrophenylhydrazine solution (D.N.P.)
  • 11. 2.5% ferric chloride
  • 12. ferrous ammonium sulfate, saturated solution
  • 14. Benedict's solution
  • 17. 0.5M hydroxylamine HCl in 95% ethanol
  • 19. iodine-potassium iodide (iodoform) solution
  • 23. 5% lead acetate
  • 24. Lucas reagent (ZnCl2 in HCl) / in hood (deleted in Chem 130)
  • 25. periodic acid
  • 26. phenolphthalein indicator
  • 27. potassium fluoride 30%
  • 28. potassium hypobromite (hood)
  • 29. 2% potassium permanganate
  • 33. 5% aq. silver nitrate (Tollen's)
  • 34. 2% ethanolic silver nitrate
  • 35. sodium iodide in acetone
  • 40. picric acid (saturated solution in ethanol)
  • 41. p-nitrobenzaldehyde in DMSO
  • 42. 5% bromine in carbontetrachloride (hood)