gee
(Stranger) 04-05-02 00:25 No 292502 |
hydro-phosphoric acid | Bookmark | ||||||
I must put this question to rest, in my mind. To me, Hydo-phosphoric acid(easy to obtain), just needs to be boiled a bit to release the hydrogen bond, therefore making it adequate for making chili....... |
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Rhodium (Chief Bee) 04-05-02 00:34 No 292506 |
H2PO2 | Bookmark | ||||||
That makes no sense at all. Are you talking about hypophosphorous acid (H2PO2), and what are you suggesting to do with it? |
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gee 04-05-02 01:21 |
farm chems
(Rated as: misinforming) |
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Elementary (Hive Bee) 04-05-02 03:40 No 292600 |
hydro-phosphoric ???? | Bookmark | ||||||
Phosphoric acid comes in these forms : Meta-, Pyro- and Ortho- Other acids : Phosphorous Acid : H3PO3 Hypo-phosphorus Acid : H3PO2 Leonard Cohen cheers me up ! |
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El_Zorro 04-07-02 08:11 |
Do you mean HP?
(Rated as: misinforming) |
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Elementary (Hive Bee) 04-07-02 20:19 No 293742 |
No such thing ! | Bookmark | ||||||
Hydrophosphoric acid and hyrophosphoric acid don't exist. The acid used in ephedrine reductions is HYPO-PHOSPHOROUS ACID. GET IT Leonard Cohen cheers me up ! |
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El_Zorro 04-07-02 23:22 |
formula?
(Rated as: redundant) |
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terbium (Old P2P Cook) 04-07-02 23:36 No 293835 |
Merck Index - hypophosphorous acid (Rated as: excellent) |
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This is the stuff that can be used for cooking meth - hypophosphorous acid. Monograph number: 4916 Title: Hypophosphorous Acid. CAS Registry number: [6303-21-5] Molecular formula: H3O2P Molecular weight: 66.00 Composition: H 4.58%, O 48.49%, P 46.93%. Literature references: Conveniently prepd by treating NaH2PO2 with an ion-exchange resin: Klement, Z. Anorg. Allgem. Chem. 260, 267 (1949). Review: Ohashi, "Lower Oxo Acids of Phosphorus and Their Salts" in Topics in Phosphorus Chemistry, Vol. 1, M. Grayson, E. J. Griffith, Eds. (Interscience, New York, 1964) pp 113-187. Properties: The water-free acid forms deliquesc crystals; supercools to a colorless, odorless, oily liquid. d 1.493. mp 26.5 deg. Dec by heat into H3PO4 and spontaneously flammable PH3. Miscible with water, alcohol, ether. Oxidized by hot H2SO4; SO2 and S formed. It is a powerful reducing agent. Marketed in aq solns of various concns, e.g., 50%, d 1.274; 30-32%, d 1.13; 10%, d 1.04. K1 = 8 x 10-2. Melting point: 26.5 Density: 1.493; 1.274; 30-32; 1.13; 10; 1.04 |
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terbium (Old P2P Cook) 04-07-02 23:43 No 293837 |
Hypophosphoric acid is useless. (Rated as: excellent) |
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This is the Merck Index entry for hypophosphoric acid which is useless for cooking meth. Monograph number: 4915 Title: Hypophosphoric Acid. CAS Registry number: [7803-60-3] Molecular formula: H4O6P2 Molecular weight: 161.98 Composition: H 2.49%, O 59.27%, P 38.24%. Literature references: Prepn from its salts: Salzer, Ann. 187, 322 (1877); 211, 1 (1882). Review: Ohashi, "Lower Oxo Acids of Phosphorus and Their Salts" in Topics in Phosphorus Chemistry, Vol. 1, M. Grayson, E. J. Griffith, Eds. (Interscience, New York, 1964) pp 113-187. Properties: Orthorhombic plates, mp 70 deg (easily forms a dihydrate, mp 55 deg), usually available only in aq soln. The aq acid is colorless and odorless; dec on concn at atm pressure. Readily forms crystallizable normal and acid sodium salts. Melting point: 70; 55 USE: Acid sodium salts in baking powders. |
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