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466123 Aldrich

Phosphoric acid

crystalline, ≥99.999% trace metals basis

Synonym: Orthophosphoric acid

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Properties

Related Categories Acids, Electronic Chemicals, Materials Science, Micro/NanoElectronics
vapor density   3.4 (vs air)
vapor pressure   2.2 mmHg ( 20 °C)
  5 mmHg ( 25 °C)
assay   ≥99.999% trace metals basis
form   crystalline
bp   158 °C(lit.)
mp   ~40 °C(lit.)
  41-44 °C
density   1.685 g/mL at 25 °C(lit.)
  1.830 g/mL at 25 °C
Gene Information   human ... SRC(6714)

Description

Other Notes

Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).

Packaging

25, 100 g in poly bottle

Application

Industrially, phosphoric acid may be used in fertilizers, detergents, pharmaceuticals, water softeners.

General description

Anhydrous phosphoric acid is a white solid which melts at 42.35oC to form a viscous liquid. In aqueous solution phosphoric acid behaves as a triprotic acid, having three ionizable hydrogen atoms.

Price and Availability

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.



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≥85 wt. % in H2O, ≥99.999% trace metals basis

Phosphoric acid

≥85%, TraceSELECT® Ultra, for ultratrace analysis

Phosphoric acid

puriss. p.a., crystallized, ≥99.0% (T)

Phosphoric acid solution

NMR reference standard, 85% in D2O (99.9 atom % D)

Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
Hazard Codes (Europe) 
C
Risk Statements (Europe) 
34
Safety Statements (Europe) 
26-45
RIDADR 
UN 3453 8 / PGIII
WGK Germany 
1
RTECS 
TB6300000

Protocols & Articles

Articles

Determination of Water Content in Phosphoric acid 85% Using Karl Fischer Titration

Strong acids shift the pH of the KF reagent and must be neutralized. This can be carried out directly in the titration cell providing a sufficient amount of buffer is added, e.g. HYDRANAL-Buffer Acid...
Keywords: Esterifications, Titrations

Peer-Reviewed Papers

References

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Randomized control trial of composite cuspal restorations: five-year results. Fennis WM, Kuijs RH, Roeters FJ, et al. J. Dent. Res. 93(1), 36-41, (2014)

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The human serum metabolome. Psychogios N, Hau DD, Peng J, et al. PLoS ONE 6(2), e16957, (2011)

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ortho-Acetoxylation of phosphonic and phosphoric monoacids via Pd(II) catalysis. Chan LY, Meng X, and Kim S J. Org. Chem. 78(17), 8826-32, (2013)

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Asymmetric total synthesis of (-)-leuconoxine via chiral phosphoric acid catalyzed desymmetrization of a prochiral diester. Higuchi K, Suzuki S, Ueda R, et al. Org. Lett. 17(1), 154-7, (2015)

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Polymer nanocarriers for dentin adhesion. Osorio R, Osorio E, Medina-Castillo AL, et al. J. Dent. Res. 93(12), 1258-63, (2014)

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Universal or Multi-mode Adhesives: Why and How? Perdigão J and Loguercio AD J. Adhes. Dent. 16(2), 193-4, (2014)

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Superficial roughness on composite surface, composite enamel and composite dentin junctions after different finishing and polishing procedures. Part I: roughness after treatments with tungsten carbide vs diamond burs. Ferraris F and Conti A Int. J. Esthet. Dent. 9(1), 70-89, (2014)

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Micromorphology of ceramic etching pattern for two CAD-CAM and one conventional feldspathic porcelain and need for post-etching cleaning. Onisor I, Rocca GT, and Krejci I Int. J. Esthet. Dent. 9(1), 54-69, (2014)

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Microabrasion using 18% hydrochloric acid and 37% phosphoric acid in various degrees of fluorosis - an in vivo comparision. Sinha S, Vorse KK, Noorani H, et al. Eur. J. Esthet. Dent. 8(3), 454-65, (2013)

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[System-forming functions of bound water in the mechanism of topochemical reactions of formation of ultrathin layers on water surface]. Bul'enkov NA and Zheligovskaia EA Biofizika 58(1), 8-26, (2013)

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Effect of three different contamination removal methods on bond strength of a self-etching adhesive to dentin contaminated with an aluminum chloride hemostatic agent. Ajami AA, Kahnamoii MA, Kimyai S, et al. J. Contemp. Dent. Pract. 14(1), 26-33, (2013)

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Comparison of shear bond strength of resin reinforced chemical cure glass ionomer, conventional chemical cure glass ionomer and chemical cure composite resin in direct bonding systems: an in vitro study. Rao KS, Reddy TP, Yugandhar G, et al. J. Contemp. Dent. Pract. 14(1), 21-5, (2013)

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Bond strength of adhesive systems with different solvents to dry and wet dentin. da Silva MA, Rangel PM, Barcellos DC, et al. J. Contemp. Dent. Pract. 14(1), 9-13, (2013)

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Self-etch and etch-and-rinse adhesive systems in clinical dentistry. Ozer F and Blatz MB Compend. Contin. Educ. Dent. 34(1), 12-4, 16, 18; quiz 20, 30, (2013)

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A comparative study of different bleaching agents on the morphology of human enamel: an in vitro SEM study. Uthappa R, Suprith ML, Bhandary S, et al. J. Contemp. Dent. Pract. 13(6), 756-9, (2012)

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A minimally invasive smile restoration. A case report describing a multitechnique approach over time. Sundfeld RH, de Oliveira FG, Toseto RM, et al. Dent. Today 31(12), 86-9, (2012)

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Anterior restorations in bleached teeth: difficulty establishing the color after bleaching. Santezi C, Tonetto MR, Presoto CD, et al. J. Contemp. Dent. Pract. 13(5), 735-9, (2012)

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Glass ionomer cement as an orthodontic bonding agent. Ali H and Maroli S J. Contemp. Dent. Pract. 13(5), 650-4, (2012)

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Toll receptors type-2 and CR3 expression of canine monocytes and its correlation with immunohistochemistry and xenodiagnosis in visceral leishmaniasis. Amorim, I.F., et al. PLoS ONE 6, e27679, (2011)

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An alternative hypothesis to the cause of pulpal inflammation in teeth treated with phosphoric acid on the dentin. Kanca J Quintessence Int. 21(2), 83-6, (1990)

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Trypanosoma congolense Infections: Induced Nitric Oxide Inhibits Parasite Growth In Vivo. Lu W J. Parasitol. Res. 2011, 316067, (2011)

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Positioning self-etching adhesives: versus or in addition to phosphoric acid etching? Ernst CP J. Esthet. Restor. Dent. 16(1), 57-69, (2004)

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Spectrophotometric determination of drugs with iodine. Karuna T, et al. J. Sci. Ind. Res. 65(10), 808, (2006)

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Probing hot spots at protein-ligand binding sites: a fragment-based approach using biophysical methods. Alessio Ciulli et al J. Med. Chem. 49, 4992-5000, (2006)

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Gold and BINOL-phosphoric acid catalyzed enantioselective hydroamination/N-sulfonyliminium cyclization cascade. Gregory AW, Jakubec P, Turner P, et al. Org. Lett. 15(17), 4330-3, (2013)

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Enantioselective synthesis of multisubstituted biaryl skeleton by chiral phosphoric acid catalyzed desymmetrization/kinetic resolution sequence. Mori K, Ichikawa Y, Kobayashi M, et al. J. Am. Chem. Soc. 135(10), 3964-70, (2013)

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Development of a passive sampler for Zinc(II) in urban pond waters using a polymer inclusion membrane. Almeida MI, Chan C, Pettigrove VJ, et al. Environ. Pollut. 193, 233-9, (2014)

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Response surface optimization of corn stover pretreatment using dilute phosphoric acid for enzymatic hydrolysis and ethanol production. Avci A, Saha BC, Dien BS, et al. Bioresour. Technol. 130, 603-12, (2013)

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Origins of stereoselectivities in chiral phosphoric acid catalyzed allylborations and propargylations of aldehydes. Wang H, Jain P, Antilla JC, et al. J. Org. Chem. 78(3), 1208-15, (2013)

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Cooperative catalysis through noncovalent interactions. Tang W, Johnston S, Iggo JA, et al. Angew. Chem. Int. Ed. Engl. 52(6), 1668-72, (2013)

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Organocatalytic asymmetric multicomponent reactions of aromatic aldehydes and anilines with β-ketoesters: facile and atom-economical access to chiral tetrahydropyridines. Li X, Zhao Y, Qu H, et al. Chem. Commun. (Camb.) 49(14), 1401-3, (2013)

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Production of monosaccharides from napier grass by hydrothermal process with phosphoric acid. Takata E, Tsutsumi K, Tsutsumi Y, et al. Bioresour. Technol. 143, 53-8, (2013)

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Pressable feldspathic inlays in premolars: effect of cementation strategy and mechanical cycling on the adhesive bond between dentin and restoration. Feitosa SA, Corazza PH, Cesar PF, et al. J. Adhes. Dent. 16(2), 147-54, (2014)

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Enzymatic saccharification coupling with polyester recovery from cotton-based waste textiles by phosphoric acid pretreatment. Shen F, Xiao W, Lin L, et al. Bioresour. Technol. 130, 248-55, (2013)

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Microglial activation by Citrobacter koseri is mediated by TLR4- and MyD88-dependent pathways. Liu S and Kielian T J. Immunol. 183(9), 5537-47, (2009)

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Bond strength of different resin cement and ceramic shades bonded to dentin. Passos SP, Kimpara ET, Bottino MA, et al. J. Adhes. Dent. 15(5), 461-6, (2013)

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Proanthocyanidins rapidly stabilize the demineralized dentin layer. Liu Y, Dusevich V, and Wang Y J. Dent. Res. 92(8), 746-52, (2013)

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Identification of critical ligand binding determinants in Mycobacterium tuberculosis adenosine-5'-phosphosulfate reductase. Jiyoung A Hong et al J. Med. Chem. 52, 5485-95, (2009)

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Enantioselective synthesis of benzofurans and benzoxazines via an olefin cross-metathesis-intramolecular oxo-Michael reaction. Zhang JW, Cai Q, Gu Q, et al. Chem. Commun. (Camb.) 49(70), 7750-2, (2013)

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Effects of organic matter on carbonate stable isotope ratios (δ13C, δ18O values)--implications for analyses of bulk sediments. Oehlerich M, Baumer M, Lücke A, et al. Rapid Commun. Mass Spectrom. 27(6), 707-12, (2013)

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Shear resistance of fiber-reinforced composite and metal dentin pins. Fennis WM, Wolke JG, Machado C, et al. Am. J. Dent. 26(1), 39-43, (2013)

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Best literature values for the pK of carbonic and phosphoric acid under physiological conditions. Jungas RL Anal. Biochem. 349(1), 1-15, (2006)

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Effect of laser and air abrasion pretreatment on the microleakage of a fissure sealant applied with conventional and self etch adhesives. Tirali RE, Celik C, Arhun N, et al. J. Clin. Pediatr. Dent. 37(3), 281-8, (2013)

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Deproteinization treatment on bond strengths of primary, mature and immature permanent tooth enamel. Aras S, Küçükeşmen C, Küçükeşmen HC, et al. J. Clin. Pediatr. Dent. 37(3), 275-9, (2013)

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A two-year clinical evaluation of glass ionomer and ormocer based fissure sealants. Guler C and Yilmaz Y J. Clin. Pediatr. Dent. 37(3), 263-7, (2013)

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Effect of various concentrations of sodium hypochlorite on primary dentin: an in vitro scanning electron microscopic study. Gowda L and Das UM J. Clin. Pediatr. Dent. 37(1), 37-43, (2012)

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Qualitative and quantitative evaluation of enamel after various post-stripping polishing methods: an in vitro study. Gupta P, Gupta N, Patel N, et al. Aust. Orthod. J. 28(2), 240-4, (2012)

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Dentin matrix component solubilization by solutions of pH relevant to self-etching dental adhesives. Ferracane JL, Cooper PR, and Smith AJ J. Adhes. Dent. 15(5), 407-12, (2013)

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Reconsidering the double etching of enamel: do self-etching primers contaminate phosphoric acid-etched enamel? Rathke A, Ostermeier V, Muche R, et al. J. Adhes. Dent. 15(2), 107-14, (2013)

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Influence of masticatory fatigue on the fracture resistance of the pulpless teeth restored with quartz-fiber post-core and crown. Nie EM, Chen XY, Zhang CY, et al. Int. J. Oral Sci. 4(4), 218-20, (2012)

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Reduction of the degradation activity of umami-enhancing purinic ribonucleotide supplement in miso by the targeted suppression of acid phosphatases in the Aspergillus oryzae starter culture. Marui J, Tada S, Fukuoka M, et al. Int. J. Food Microbiol. 166(2), 238-43, (2013)

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Microglia and Astrocyte Activation by Toll-Like Receptor Ligands: Modulation by PPAR-gamma Agonists. Gurley C PPAR Res. 2008, 453120, (2008)

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Effect of carbon dioxide laser irradiation on enamel surface microhardness around orthodontic brackets. Miresmaeili A, Farhadian N, Rezaei-soufi L, et al. Am. J. Orthod. Dentofacial Orthop. 146(2), 161-5, (2014)

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Effect of fixed orthodontic appliances bonded with different etching techniques on tooth color: a prospective clinical study. Al Maaitah EF, Abu Omar AA, and Al-Khateeb SN Am. J. Orthod. Dentofacial Orthop. 144(1), 43-9, (2013)

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Effect of artificial aging on the bond durability of fissure sealants. Yun X, Li W, Ling C, et al. J. Adhes. Dent. 15(3), 251-8, (2013)

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Effect of phosphoric acid etching on the shear bond strength of two self-etch adhesives. Sabatini C J. Appl. Oral Sci. 21(1), 56-62, (2013)

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Influence of microhybrid resin and etching times on bleached enamel for the bonding of ceramic brackets. Firoozmand LM, Brandão JV, and Fialho MP Braz. Oral Res. 27(2), 142-8, (2013)

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RP-HPLC analytical method development and optimization for quantification of donepezil hydrochloride in orally disintegrating tablet. Liew KB, Peh KK, and Fung Tan YT Pak. J. Pharm. Sci. 26(5), 961-6, (2013)

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Validated chromatographic and spectrophotometric methods for analysis of some amoebicide drugs in their combined pharmaceutical preparation. Abdelaleem EA and Abdelwahab NS Pak. J. Pharm. Sci. 26(1), 175-83, (2013)

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Determination of linezolid in human serum by reversed-phase high-performance liquid chromatography with ultraviolet and diode array detection. Cios A, Kuś K, and Szymura-Oleksiak J Acta Pol. Pharm. 70(4), 631-41, (2013)

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Comparison of microleakage of different margin types around Class V resin restorations in primary teeth. Lopes Coutinho TC and Almeida Tostes M Eur. J. Paediatr. Dent. 14(3), 246-51, (2013)

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The reliability of microleakage studies using dog and bovine primary teeth instead of human primary teeth. Yavuz I, Tumen EC, Kaya CA, et al. Eur. J. Paediatr. Dent. 14(1), 42-6, (2013)

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Diurnal variation in the levels of glucose and related substances in healthy and diabetic subjects during starvation. Faiman C and Moorhouse JA Clin. Sci. 32(1), 111-26, (1967)

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Effect of phosphoric acid as a matrix additive in matrix-assisted laser desorption/ionization analysis. Park S, Kim T, Lee J, et al. Rapid Commun. Mass Spectrom. 27(7), 842-6, (2013)

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Merck 14,7344

RegBook 1 (3), 3247:I

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