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Phosphoric acid or orthophosphoric acid, the chemical formula H3PO4, has a molecular weight of 97.994, is a common inorganic acid and is a medium strong acid. It can be obtained by dissolving phosphorus pentoxide in hot water. The orthophosphoric acid industry is treated with sulfuric acid to obtain apatite. Phosphoric acid is easily deliquescent in the air. Heating will lose water to get pyrophosphoric acid, and further lose water to get metaphosphoric acid. Phosphoric acid is mainly used in the pharmaceutical, food, fertilizer and other industries, including as a rust inhibitor, food additive, dental and orthopedics, EDIC corrosives, electrolytes, fluxes, dispersants, industrial corrosives, fertilizer raw materials and components household cleaning products. It can also be used as a chemical reagent, and phosphate is a nutrient for all life forms.
Chemical formula H3PO4 Molecular weight 98 CAS accession number 7664-38-2 EINECS accession number 231-633-2 Melting point 42 °C boiling point 261 °C (decomposition) Water solubility Intermixing with water at any ratio Density 1.874g/mL (liquid)
The warehouse is ventilated and dried at low temperature; it is stored separately from the H porogen and alkali.
Phosphoric acid
Jinan Huijinchuan Chemical CO., LTD., founded in 2008, is located in Jinan, Shandong province. After more than 10 years of development, has become a set of chemical raw material production and sales as one of the company.
QUICK DETAILS
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 conditions Store below +30°C.
Solubility H2O: soluble
Acidity coefficient (pKa) 2.1-7.2-12.3 (at 25 ° C)
Form Solid or Viscous Liquid
Color ≤10 (APHA)
Proportion 1.7
PH value <0.5 (100g/l, H2O, 20°C)
Water solubility MISCIBLE
Maximum wavelength (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).
InChIKey NBIIXXVUZAFLBC-UHFFFAOYSA-N
CAS Database 7664-38-2 (CAS DataBase Reference)
NIST Chemical Information Phosphoric acid(7664-38-2)
EPA Chemical Information Phosphoric acid(7664-38-2)
PRODUCT DESCRIPTION
Mainly used in phosphate industry, electroplating, polishing industry, sugar industry, compound fertilizer, etc. As a sour agent, yeast nutrient, etc. in the food industry
Transport storage:
1, sealed and stored.
2, with a lined plastic bag, jacket woven bag or sack packaging. Sodium acetate has deliquescence, and it should be protected from moisture during storage and transportation.
It is strictly prohibited to contact with corrosive gas to prevent exposure to sunlight and rain.
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