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7778-77-0 - Potassium dihydrogen phosphate, ACS, 99.0% min - Potassium orthophosphate - Potassium phosphate, monobasic - 11594 - Alfa Aesar

11594 Potassium dihydrogen phosphate, ACS, 99.0% min

Numéro CAS
7778-77-0
Synonymes
Potassium orthophosphate
Potassium phosphate, monobasic

Dimensions Prix ($) Quantité Disponibilité
250g 38,50
500g 58,80
1kg 92,40
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Potassium dihydrogen phosphate, ACS, 99.0% min

MDL
MFCD00011401
EINECS
231-913-4

Propriétés chimiques

Formule
H2KO4P
Poids formulaire
136.09
Forme
Crystalline
Point de fusion
253°
Densité
2.338
Sensibilité
Hygroscopic
Solubilité
Slightly soluble in water. Insoluble in alcohol

Spécifications des grades

Maximum level of impurities: Insoluble matter 0.01%, Loss on drying at 105° 0.2%, pH of a 5% solution 4.1-4.5 at 25°, Cl 0.001%, SO<sub>4</sub> 0.003%, Heavy Metals (ICP-OES) 0.001%, Fe 0.002%, Na 0.005%

Applications

In buffers for pH determination.Potassium dihydrogen phosphate is used as a food additive, fertilizer (NPK), paint additive, coating additive, adhesive, buffering agent and in optical modulators. It is extensively used in research and analytical laboratories as a buffer in mobile/sample preparations for analysis by high pressure liquid chromatography (HPLC) and also in organic synthesis. MKP, monopotassium phosphate, owing to its non-linear optical properties, is used in optical modulators and for second-harmonic generation (SHG).

Notes

Loses H{2}O at 400°, forming metaphosphate.Hygroscopic.

Références bibliographiques

Bhagavannarayana, G.; Rajesh, P.; Ramasamy, P. Interesting Growth Features in Potassium Dihydrogen Phosphate: Unravelling the Origin and Dynamics of Point Defects in Single Crystals. J. Appl. Cryst. 2010, 43, 1372-1376.

Han, W.; Xiang, Y.; Li, F.; Wang, F.; Zhou, L.; Zhao, J.; Feng, B.; Zheng, K.; Zhu, Q.; Wei, X.; Zheng, W.; Gong, M. Evaluating the safe limit of large-aperture potassium dihydrogen phosphate crystals associated with transverse stimulated Raman scattering. Appl. Opt. 2015, 54 (13), 4167-4171.

Mentions de danger et de prudence du SGH

Mentions de danger (UE): H315-H319-H313

Causes skin irritation. Causes serious eye irritation. May be harmful in contact with skin.

Mentions de prudence: P280-P264-P305+P351+P338-P362-P312-P321-P332+P313-P337+P313-P302+P352

Wear protective gloves/protective clothing/eye protection/face protection. Wash thoroughly after handling. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). If skin irritation occurs: Get medical advice/attention. If eye irritation persists: IF ON SKIN: Wash with plenty of soap and water.

Autres références

Merck
14,7659
Code tarifaire harmonisé
2835.24
TSCA
Yes
RTECS
TC6615500

Recommandé

  • 11552

    Sodium carbonate, anhydrous, ACS, 99.5% min
  • 11593

    Potassium hydrogen phosphate, ACS, 98.0% min
  • 11596

    Magnesium sulfate heptahydrate, ACS, 98.0-102.0%
  • 12314

    Sodium chloride, ACS, 99.0% min
  • 13437

    Sodium hydrogen phosphate, anhydrous, ACS, 99.0% min

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