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7664-38-2
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7664-38-2
| Phosphoric acid Basic information | |
| Product Name: | Phosphoric acid |
| CAS: | 7664-38-2 |
| MF: | H3O4P |
| MW: | 98 |
| EINECS: | 231-633-2 |
| Mol File: | 7664-38-2.mol |
| Phosphoric acid Chemical Properties | |
| Melting point | ~40 °C(lit.) |
| Boiling point | 158 °C(lit.) |
| density | 1.685 g/mL at 25 °C(lit.) |
| vapor density | 3.4 (vs air) |
| vapor pressure | 2.2 mm Hg ( 20 °C) |
| refractive index | n20/D 1.433 |
| FEMA | 2900 | PHOSPHORIC ACID |
| storage temp. | no restrictions. |
| solubility | H2O: soluble |
| pka | 2.1-7.2-12.3(at 25℃) |
| form | Solid or Viscous Liquid |
| color | ≤10(APHA) |
| Specific Gravity | 1.7 |
| Odor | Odorless |
| PH Range | 1.5 |
| PH | 3.06(1 mM solution);2.26(10 mM solution);1.63(100 mM solution); |
| Water Solubility | MISCIBLE |
| λmax | λ: 260 nm Amax: ≤0.05 |
| λ: 280 nm Amax: ≤0.04 | |
| Merck | 147,344 |
| BRN | 1921286 |
| Exposure limits | TLV-TWA 1 mg/m3 (ACGIH, MSHA, and OSHA); TLV-STEL 3 mg/m3 (ACGIH). |
| InChIKey | NBIIXXVUZAFLBC-UHFFFAOYSA-N |
| CAS DataBase Reference | 7664-38-2(CAS DataBase Reference) |
| NIST Chemistry Reference | Phosphoric acid(7664-38-2) |
| EPA Substance Registry System | Phosphoric acid (7664-38-2) |
TEST SPECIFICATION MIN. MAX. TARGET VALUE
(Cd)Cadmium | 0 % | 0.0005 % | 0.0005 % |
(Cu))Copper | 0 % | 0.0005 % | 0.0005 % |
(K)Potassium(K) | 0 % | 0.005 % | 0.005 % |
(Mn)Manganese | 0 % | 0.0002 % | 0.0002 % |
(NO3)Nitrate | 0 % | 0.0003 % | 0.0003 % |
(Pb)Lead | 0 % | 0.0005 % | 0.0005 % |
(SO4)Sulfate | 0 % | 0.001 % | 0.001 % |
(Zn)Zinc | 0 % | 0.001 % | 0.001 % |
Arsenic(As) | 0 ppm | 0.5 ppm | 0.5 ppm |
Assay | 85 % | 100 % | 100 % |
Chloride(Cl) | 0 % | 0.0002 % | 0.0002 % |
Color(APHA) | 0 APHA - | 10 APHA - | 10 APHA - |
Ignition residue | 0 % | 0.1 % | 0.1 % |
Iron(Fe) | 0 % | 0.001 % | 0.001 % |
Nickel(Ni) | 0 % | 0.0005 % | 0.0005 % |
Reducing substances | 0 % | 0.005 % | 0.005 % |
Sodium(Na) | 0 % | 0.05 % | 0.05 % |
Volatile acid | 0 mmol/g | 0.0002 mmol/g | 0.0002 |
| Phosphoric acid Basic information | |
| Product Name: | Phosphoric acid |
| CAS: | 7664-38-2 |
| MF: | H3O4P |
| MW: | 98 |
| EINECS: | 231-633-2 |
| Mol File: | 7664-38-2.mol |
| Phosphoric acid Chemical Properties | |
| Melting point | ~40 °C(lit.) |
| Boiling point | 158 °C(lit.) |
| density | 1.685 g/mL at 25 °C(lit.) |
| vapor density | 3.4 (vs air) |
| vapor pressure | 2.2 mm Hg ( 20 °C) |
| refractive index | n20/D 1.433 |
| FEMA | 2900 | PHOSPHORIC ACID |
| storage temp. | no restrictions. |
| solubility | H2O: soluble |
| pka | 2.1-7.2-12.3(at 25℃) |
| form | Solid or Viscous Liquid |
| color | ≤10(APHA) |
| Specific Gravity | 1.7 |
| Odor | Odorless |
| PH Range | 1.5 |
| PH | 3.06(1 mM solution);2.26(10 mM solution);1.63(100 mM solution); |
| Water Solubility | MISCIBLE |
| λmax | λ: 260 nm Amax: ≤0.05 |
| λ: 280 nm Amax: ≤0.04 | |
| Merck | 147,344 |
| BRN | 1921286 |
| Exposure limits | TLV-TWA 1 mg/m3 (ACGIH, MSHA, and OSHA); TLV-STEL 3 mg/m3 (ACGIH). |
| InChIKey | NBIIXXVUZAFLBC-UHFFFAOYSA-N |
| CAS DataBase Reference | 7664-38-2(CAS DataBase Reference) |
| NIST Chemistry Reference | Phosphoric acid(7664-38-2) |
| EPA Substance Registry System | Phosphoric acid (7664-38-2) |
TEST SPECIFICATION MIN. MAX. TARGET VALUE
(Cd)Cadmium | 0 % | 0.0005 % | 0.0005 % |
(Cu))Copper | 0 % | 0.0005 % | 0.0005 % |
(K)Potassium(K) | 0 % | 0.005 % | 0.005 % |
(Mn)Manganese | 0 % | 0.0002 % | 0.0002 % |
(NO3)Nitrate | 0 % | 0.0003 % | 0.0003 % |
(Pb)Lead | 0 % | 0.0005 % | 0.0005 % |
(SO4)Sulfate | 0 % | 0.001 % | 0.001 % |
(Zn)Zinc | 0 % | 0.001 % | 0.001 % |
Arsenic(As) | 0 ppm | 0.5 ppm | 0.5 ppm |
Assay | 85 % | 100 % | 100 % |
Chloride(Cl) | 0 % | 0.0002 % | 0.0002 % |
Color(APHA) | 0 APHA - | 10 APHA - | 10 APHA - |
Ignition residue | 0 % | 0.1 % | 0.1 % |
Iron(Fe) | 0 % | 0.001 % | 0.001 % |
Nickel(Ni) | 0 % | 0.0005 % | 0.0005 % |
Reducing substances | 0 % | 0.005 % | 0.005 % |
Sodium(Na) | 0 % | 0.05 % | 0.05 % |
Volatile acid | 0 mmol/g | 0.0002 mmol/g | 0.0002 |
