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7778-77-0 - Potassium dihydrogen phosphate, Puratronic®, 99.999% (metals basis), Si 10ppm max - Potassium orthophosphate - Potassium phosphate, monobasic - 10840 - Alfa Aesar

10840 Potassium dihydrogen phosphate, Puratronic®, 99.999% (metals basis), Si 10ppm max

CAS Number
7778-77-0
Synonyms
Potassium orthophosphate
Potassium phosphate, monobasic

Size Price ($) Quantity Availability
25g 224.54
100g 806.49
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Potassium dihydrogen phosphate, Puratronic®, 99.999% (metals basis), Si 10ppm max

MDL
MFCD00011401
EINECS
231-913-4

Chemical Properties

Formula
H2KO4P
Formula Weight
136.09
Form
Crystalline Powder
Melting point
253°
Density
2.338
Sensitivity
Hygroscopic
Solubility
Soluble in water; slightly soluble in ethanol .

Applications

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

Hygroscopic.

Literature References

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.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H313

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

Precautionary Statements: 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.

Other References

Merck
14,7659
Harmonized Tariff Code
2835.24
TSCA
Yes
RTECS
TC6615500

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