Hydrogen chloride 
(dry)HCI                        A

Hydrogen peroxide 
(up to 6% WW)              A

Iso-octane (CH₃)₃CCH₂CH(CH₃)₂   A

Iso-propyl alcohol (CH₃)₂CHOH                 A

Kerosene (Petroleum)    A

Lactic acid 50% CH₃ CHOHCOH                    A

Lead acetate (CH₃COO)₂Pb               A

Lead arsenate Pb₃(AsO₄)₂                  A

Lime water Ca(OH)₂      A

Linsead Oil                    A

Lubricating oil  (Crude)  X
                    (Refined)                      X

Magnesium chloride      A

Magnisium hydroxide    A

Magnesium sulphate MgSO₄                        A

Malic acid                    A
HOOC CH₂CHOH COOH  

Methane CH₄               A

Methyl alcohol 
CH₃OH                       A

Methylated Spirits        A

Methyl chloride  
CH₃CI                       C

Mathylane chloride 
CH₂CI₂                     X

Mathyl ethyl kelone     C (M.E.K) CH₃COC₂H₃

Mercury                      A

Mineral Oil  
ASTM No.1                 A

Mineral Oil 
ASTM  No.3                A

Naptha                      A

Natural gas                A

Nitric acid 20% HNO                          X

Nitric acid 
40% HNO₃                X

Nitric acid 
96% HNO₃                X

Nitrobenzene 
C₆H₅NO₂                 X

Nitrogen N₂              A

Octane C₆H₁₆          A

Oleic acid 
C₁₇H₃₃ COOH         A

Oleum                      X
(Fuming sulfuric acid)  

Oxalic acid 
(COOH)₂                 C

Oxygen O₂              A
(check local regulations) 

Palmitic acid C₁₅H₃₁COOH          A

Paraffin (Kerosene)  A

Pentane C₅H₁₂        A

Perchoroethylene C₂C₄                      C

Petroleum ether       A

Phenol C₆H₅OH       X

Phosphoric acid 
(all concs) H₃PO₄    A

Phthalic acid C₆H₄(COOH)₂        A

Potassium acetate KC₂H₃O₂                         A

Potassium Carbonate K₂CO₃K₂CO ₃                  A

Potassium chlorate KCIO₃                             A

Potassium Chloride KCI    A

Potassium Chromium sulfate 
K Cr(SO₄)₂  12H₂O          A

Potassium cyanide 
KCN                                A

Potassium dichromate K₂Cr₂O₇                          A

Potassium hydroxide KOH                                X

Potassium hypoclorite       A

Potassium iodide KI          A

Potassium nitrate 
(saltpetre) KNO₃              A

Potassium permanganate 
KmnO₄                           A

Producer gas 
(generator gas)               A

Propane C₃H₆                             A

Pydrol                            A

Pyridine C₅H₅N               X

Rapaseed oil                   A

Sallcylic acid  C₆H₄(OH)COOH              A

Sea water                       A

Silicone Oil                     A

Skydrol 500                    X

Soap                              A

Soda (sodium carbonate)Na₂CO₃          A

Sodium aluminate Na₂A1O₃                       A

Sodium bicarbonate NaHCO₃                        A

Sodium bisulphite NaHSO₃                       A

Sodium chloride 
(salt) NaCI                    A

Sodium cyanide 
NaCN                           A

Sodium hydroxide
 NaOH                           X

Sodium sillcate 
(water glass)                 A

Sodium sulfate Na₂SO₄                        A

Sodium sulfate Na₂S      A

Stannic chloride             A

Starch(C₆H₁₀O₅)x         A

Steam  H₂O                   A

Stearic acid 
C₁₇H₃₆COOH                A

Sugar                           A

Sulphur dioxide SO₂      X

Sulphuric acid 30% H₂SO₄                         X

Sulphuric acid 10% H₂SO₄                         A

Sulphuric acid 50% H₂SO₄                         X

Sulphuric acid 96% H₂SO₄                         X

Sulphurous acid H₂SO₃                        X

Tannic acid 
C₇₆H₅₂O₄₆                 A

Tar (asphalt)               A

Tartaric acid 
(CHOH COOH)₂           A

Tetrachloroethane C₂H₂CI₄                      C

Tetralin C₁₀H₁₂            A

Toluene C₆H₅CH₃         A

Town gas                     A

Transformer Oil            A

Trichlorethylene 
C₂HCl₃                         C

Triethanolamine N(CH₂CH₂OH)₃             A

Turpentine                    A

Urea (NH₂)₂CO             A

Vinyl acetate CH₃COOC₂H₃               A

Water H₂O                    A

Water glass Na₂SIO₃K₂SIO₃           A

White spirit                   A

Xylol C₆H₄(CH₃)₂         A

Zinc Sulfate                   A