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ChemicalBook >> CAS DataBase List >> Phosphoric acid

Phosphoric acid

Phosphoric acid price.
  • $10.16 - $6570
  • Product name: Phosphoric acid
  • CAS: 7664-38-2
  • MF: H3O4P
  • MW: 98
  • EINECS:231-633-2
  • MDL Number:MFCD00011340
  • Synonyms:Sonac;wc-reiniger ;White phosphoric acid;whitephosphoricacid ;phosphoric acid for technical;phosphoric acid,technical,highly purified;Phosphoric acid, 85 WT% solution in water, for analysis;Phosphoric acid hydrogen
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  • American Custom Chemicals Corporation
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  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberING0002963
  • Product descriptionPHOSPHORIC ACID 95.00%
  • Packaging100G
  • Price$2534.65
  • Updated2021-12-16
  • Buy
  • ManufacturerAtlantic Research Chemicals
  • Product numberAN048149
  • Product descriptionPhosphoric acid 95
  • Packaging10g
  • Price$10.16
  • Updated2026-05-23
  • Buy
  • ManufacturerAtlantic Research Chemicals
  • Product numberAN048149
  • Product descriptionPhosphoric acid 95
  • Packaging25g
  • Price$12.7
  • Updated2026-05-23
  • Buy
  • ManufacturerAtlantic Research Chemicals
  • Product numberAN048149
  • Product descriptionPhosphoric acid 95
  • Packaging50g
  • Price$15.24
  • Updated2026-05-23
  • Buy
  • ManufacturerAtlantic Research Chemicals
  • Product numberAN048149
  • Product descriptionPhosphoric acid 95
  • Packaging100g
  • Price$19.05
  • Updated2026-05-23
  • Buy
  • ManufacturerAtlantic Research Chemicals
  • Product numberAN048149
  • Product descriptionPhosphoric acid 95
  • Packaging250g
  • Price$22.86
  • Updated2026-05-23
  • Buy
  • ManufacturerChem-Impex
  • Product number32006
  • Product descriptionPhosphoric acid ≥85%(Assay)
  • Packaging250ML
  • Price$25
  • Updated2026-05-19
  • Buy
  • ManufacturerChem-Impex
  • Product number32006
  • Product descriptionPhosphoricacid,85-87%(Assaybytitration),ACSReagentHazmat 85-87%(Assaybytitration)
  • Packaging1L
  • Price$34.94
  • Updated2021-12-16
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  • ManufacturerChem-Impex
  • Product number32006
  • Product descriptionPhosphoric acid ≥85%(Assay)
  • Packaging1L
  • Price$50
  • Updated2026-05-19
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  • ManufacturerChem-Impex
  • Product number32006
  • Product descriptionPhosphoric acid ≥85%(Assay)
  • Packaging4L
  • Price$150
  • Updated2026-05-19
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  • ManufacturerChem-Impex
  • Product number32006
  • Product descriptionPhosphoricacid,85-87%(Assaybytitration),ACSReagentHazmat 85-87%(Assaybytitration)
  • Packaging205L
  • Price$3785.6
  • Updated2021-12-16
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  • ManufacturerChem-Impex
  • Product number32006
  • Product descriptionPhosphoric acid ≥85%(Assay)
  • Packaging205L
  • Price$5025
  • Updated2026-05-19
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  • ManufacturerChem-Impex
  • Product number32006
  • Product descriptionPhosphoric acid ≥85%(Assay)
  • Packaging16L
  • Price$550
  • Updated2026-05-19
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  • ManufacturerChemPure Brand Chemicals
  • Product numberCP-M1864S
  • Product descriptionPhosphoricAcid,≥85Wt.%InH2O,ACS+ ACS+
  • Packaging2.5L
  • Price$120
  • Updated2021-12-16
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  • ManufacturerGFS CHEMICALS
  • Product number59597
  • Product descriptionPHOSPHORICACID,SUPERIOR
  • Packaging2.5L PVC
  • Price$116.86
  • Updated2021-12-16
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  • ManufacturerGFS CHEMICALS
  • Product number59603
  • Product descriptionPHOSPHORICACID,85%,REAG
  • Packaging6x500mL
  • Price$242
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
American Custom Chemicals Corporation ING0002963 PHOSPHORIC ACID 95.00% 100G $2534.65 2021-12-16 Buy
Atlantic Research Chemicals AN048149 Phosphoric acid 95 10g $10.16 2026-05-23 Buy
Atlantic Research Chemicals AN048149 Phosphoric acid 95 25g $12.7 2026-05-23 Buy
Atlantic Research Chemicals AN048149 Phosphoric acid 95 50g $15.24 2026-05-23 Buy
Atlantic Research Chemicals AN048149 Phosphoric acid 95 100g $19.05 2026-05-23 Buy
Atlantic Research Chemicals AN048149 Phosphoric acid 95 250g $22.86 2026-05-23 Buy
Chem-Impex 32006 Phosphoric acid ≥85%(Assay) 250ML $25 2026-05-19 Buy
Chem-Impex 32006 Phosphoricacid,85-87%(Assaybytitration),ACSReagentHazmat 85-87%(Assaybytitration) 1L $34.94 2021-12-16 Buy
Chem-Impex 32006 Phosphoric acid ≥85%(Assay) 1L $50 2026-05-19 Buy
Chem-Impex 32006 Phosphoric acid ≥85%(Assay) 4L $150 2026-05-19 Buy
Chem-Impex 32006 Phosphoricacid,85-87%(Assaybytitration),ACSReagentHazmat 85-87%(Assaybytitration) 205L $3785.6 2021-12-16 Buy
Chem-Impex 32006 Phosphoric acid ≥85%(Assay) 205L $5025 2026-05-19 Buy
Chem-Impex 32006 Phosphoric acid ≥85%(Assay) 16L $550 2026-05-19 Buy
ChemPure Brand Chemicals CP-M1864S PhosphoricAcid,≥85Wt.%InH2O,ACS+ ACS+ 2.5L $120 2021-12-16 Buy
GFS CHEMICALS 59597 PHOSPHORICACID,SUPERIOR 2.5L PVC $116.86 2021-12-16 Buy
GFS CHEMICALS 59603 PHOSPHORICACID,85%,REAG 6x500mL $242 2021-12-16 Buy

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
Specific Gravity :1.7
color :≤10(APHA)
PH :3.06(1 mM solution);2.26(10 mM solution);1.63(100 mM solution);
Odor :Odorless
PH Range :1.5
biological source :synthetic
Water Solubility :MISCIBLE
λmax :λ: 260 nm Amax: ≤0.05
λ: 280 nm Amax: ≤0.04 Merck :14,7344
BRN :1921286
Exposure limits :TLV-TWA 1 mg/m3 (ACGIH, MSHA, and OSHA); TLV-STEL 3 mg/m3 (ACGIH).
Dielectric constant :61.0
Major Application :battery manufacturing
Cosmetics Ingredients Functions :BUFFERING
InChI :1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)
InChIKey :NBIIXXVUZAFLBC-UHFFFAOYSA-N
SMILES :OP(O)(O)=O
LogP :-2.15
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)

Safety Information

Symbol(GHS): GHS hazard pictogramsGHS hazard pictogramsGHS hazard pictograms
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H290 May be corrosive to metals Corrosive to Metals Category 1 Warning GHS hazard pictograms P234, P390, P404
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning GHS hazard pictograms P264, P270, P301+P312, P330, P501
H313 May be harmful in contact with skin Acute toxicity,dermal Category 5 P312
H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger GHS hazard pictograms P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H370 Causes damage to organs Specific target organ toxicity, single exposure Category 1 Danger GHS hazard pictograms P260, P264, P270, P307+P311, P321,P405, P501
Precautionary statements:
P234 Keep only in original container.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P363 Wash contaminated clothing before reuse.
P390 Absorb spillage to prevent material damage.
P405 Store locked up.
P406 Store in corrosive resistant/… container with a resistant inner liner.
P501 Dispose of contents/container to..…

Description

Phosphoric acid was prepared first by Robert Boyle in 1694 by dissolving phosphorus pentoxide in water. Phosphoric acid is probably the most important compound of phosphorus. It is the second largest inorganic chemical by volume, after sulfuric acid, marketed in the United States. The single most important application of this acid is manufacturing phosphate salts for fertilizers. Such fertilizer phosphates include sodium, calcium, ammonium, and potassium phosphates. Other applications are in metal pickling and surface treatment for removal of metal oxides from metal surfaces; electropolishing of aluminum; as a bonding agent in various refractory products such as alumina and magnesia; as a catalyst in making nylon and gasoline; as a dehydrating agent; in fireproofing wood and fabrics; in lithographic engraving; in textile dyeing; in dental cement; in coagulating rubber latex; in purifying hydrogen peroxide; and as a laboratory reagent. Dilute solutions of phosphoric acid are used as additives to carbonated beverages for a pleasing sour taste. Also, dilute acid is used in refining sugar; as a nutrient; and as a buffering agent in preparing jam, jelly, and antibiotics. The commercial phosphoric acid is 85% (w/w) in strength.

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