(Active Asperger Archivist)
11-22-03 22:15
No 445906
      Acid Reagents Physical Properties
(Rated as: excellent)

It should be fairly obvious what I'm doing in this digest after the posting of this first part of the table.  PLEASE, help if you know how to do the tables, or can arrange the information in an easy manner for me to convert to the table form. THANKS.

Pka's of acids in water

Name Formula CAS # Mole. Weight (g/mol) BP MP Conc. [M] Solution Density (g/ml) Solubilities Notes: appear, safety, etc.
Hydrochloric Acid (Conc. Solution) HCl(aq.) 7647-01-0 36.46 109*C(230*F) -25*C(-101*F) 37% (by weight);12.1M 1.19-1.19 823g/L water @ 32*F pH of 0.1N solution is 1.1; clear, colorless solution to faintly yellow; the azeotrope between HCl/H2O is 20%:80% and boils @108.6*C; aka: muriatic acid, chlorohydric acid
Hydrogen Chloride (gas) HCl(gas) -85.1*C -114.2*C Vap. Density 1.5 colorless gas; 613psi @21.1*C; crit. pressure = 82.6atm; crit. temp. = 51.6*C
Hydriodic Acid (gas) HI (gas) 10034-85-2 127.91 -35*C (-31*F) -50*C (-58*F) gas phase 2.85@-47*C 70%@10*C colorless, pungent smelling gas; vap. density = 4.5
Hydriodic Acid (solution) HI (aq.) 7732-18-5 127.91 N/A N/A 47% (by weight) 1.7010 N/A clear to yellow to purplish-brown liquid (turns dark with age- formation of free iodine)
Hydriotic Aicd (solution) HI(aq.) 7732-18-5 127.91 N/A] N/A 67% 1.67 N/A
Hydrobromic Acid (solution) HBr (aq.) 10035-10-6 80.90 126*C@1 atm; 122*C(252*F)@700mmHg -11*C(12*F) 47-49% (by weight) 1.4900 N/A colorless to faint yellow solution; strong and irritating odor;aka bromic acid
Hydrogen Bromide (gas) HBr (gas) 10035-10-6 80.90 -67*C -87*C Anhydrous Gas 2.2 as liquid; 2.7 at 20*C vapor infinitely in water colorless gas with pungent odor; vap. pres. 334 at 21*C; 1300-2000ppm is fatal within a couple of minutes
Hydrofluoric Acid (solution) HF (aq.) 7664-39-3 20.006 108*C -35*C Concentrated 1.16 soluble in water Do not use this reagent without professional training, poisonous, reacts with glass, easily absorbed though skin, skin contact may be fatal. Even minor contact with this chemical REQUIRES attention by a professional.
Nitric Acid (solution) HNO3 (fuming aq.) 52583-42-3 MW 85*C (decomp.) -51*C Fuming, excess Nitrogen Oxides 1.5 N/A colorless, yellow or reddish-brown solution
Nitric acid (solution) HNO3 (conc.) 7697-37-2 MW 121*C (69% boils at 86*C) -42*C concentrated 1.41 N/A colorless liquid with suffocating odor
Hydrogen Sulfide H2S (gas) 7783-06-4 34.0809 -60*C -85*C Gas phase Vap. Den. = 1.19; 1.539g/L (gas, 0*C, 1atm); 0.993g/ml (liquid) Soluble in water colourless gas with strong odor of rotten eggs (odor threshold ca 0.2 ppt); poisonous gas
Hydrogen Cyanide HCN (gas) 74-90-8 27.0253 25.6*C -14*C Gas phase 0.6899 (@ 18*C, 1 atm) Soluble in water Extremely poisonous gas, do not use this reagent or any of its Cyanides salts without professional help and proper ventilation.
Acetic Acid C2H4O2 or HC2H3O2 64-19-7 60.052 118*C 16.7*C Conc. 1.05 Sol. Water Aka: ethanoic acid, conc. Vinegar, glacial acetic acid (GAA)
Acetic Anhydride (CH3CO)2O 108-24-7 78.06724 139*C -73*C N/A n/a Sol. Water (with hydrolysis to acetic acid) colorless liquid smelling of vinegar
Chloroacetic acid ClCH2COOH 79-11-8 94.5 189 63 ? 1.58 Infinitely sol. in water Deliquescent, Causes severe burns on the skin
Chloroacetyl chloride C2H2Cl2O 79-04-9 113 105-6*C -22*C ? 1.418 sol. in water w/decomposition Lachrymator, can cause spasms on inhalation
Anthranilic Acid 2-NH2C6H4COOH 00118-92-3 137.14 n/a 145*C (293*C) ? 1.40 0.1-1.0% sol. in water White or tan crystalline powder
L-(+)-Ascorbic Acid C6H8O6 50-81-7 176 n/a 193*C (w/decomp.) ? 1.65 highly sol. in water white or yellow crystals or powder; may be air or light sensitive; antioxidant; aka: vitamin C
Aqua Regia HCl + HNO3 8007-56-5 - - - - - - Red, yellow, or gold fuming liquid, bottles may pressurize with time, toxic, corrosive, ingestion may be fatal, severe burns on contact, Professional use only!
Benzoic Acid C6H5COOH 65-85-0 - 249*C 122*C - Dens = 1.32; Vap Dens = 4.1 slightly water sol FP: 121*C in closed cup, white solid
Benzoyl Chloride C6H5COCl - - 197*C -1*C - 1.21 decomp in water Liquid, vap. press= 1mmHg @ 32*C, FP: 72*C closed cup, Rxn is violent w/ DMSO and slow w/ Alkalies, Possible carcinogen
Boric Acid H3BO3 10043-35-3 - 300*C decomp 171*C - 1.44 63.5g/L @ 30*C in H2O Hygroscopic, white powder, reacts violently w/ anhydrides and K-metal
Boric Anhydride B2O3 1303-86-2 - 1860*C 450*C - 2.46 Appreciably sol H2O white powder, glassy flakes, moisture sensitive
Butyric Acid C4H8O2 107-92-6 - 164*C -5*C - Vap. Dens. 3.0 0.1-1.0% in H2O Horrible permeating smell, may cause nausea, readily absorbed through the skin
m-Chlorobenzoic Acid ClC7H5O2 00535-80-8 156.57 155*C/311*F - - - - white coarse powder, AKA: MCBA
o-Chlorobenzoic Acid ClC7H5O2 118-91-2 - 285*C 142*C - 1.544 - white crys. or powder
p-Chlorobenzoic Acid ClC7H5O2 74-11-3 - Sublimes 243*C - - - AKA: PCBA
4-Chlorobenzoyl Chloride Cl2C7H4O2 122-01-0 - 222*C 12-14*C - 1.377 - AKA: PCBC, Mutagen, Lachrymator, Corrosive- causes burns
Chloroacetyl chloride C2H2Cl2O 79-04-9 - 105-106*C -22*C - Vap. Dens. 3.9, S.G.= 1.418 - Colorless liq., pungent odor, Inhalation may cause spasms, Lachrymator, Corrosive
Chloroplatinic Acid Hexahydrate - 18497-13-7 - 115*C 60*C - 2.431 soluble in H2O Hygroscopic, light sensitive, Persons previously exposed to Platinum compounds may enter anaphylactic shock upon re-exposure

chlorosulfuric  (aka. Sulfuryl chloride)
Cyanuric chloride
Diphenyl acetic
Malic (dl)
Maleic anhydride
Oxalyl chloride
(sodium salt)
Propionic anhydride

Peracids area


Perchloric Acid

Polyphosphoric acid

Phosphoric Acid

Phenylacetyl chloride

Phthalic Acid

Picric Acid

Picryl chloride

Propionic anhydride

Pyruvic Acid



Sulfamidic (sulfamic)




p-tosic (monohydrate)
p-tosyl chloride

Tropic (dl)

Trifluoroacetic acid


trichloroisocyanuric acid

Acid table

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