Potassium Phosphate Monobasic CAS#7778-77-0

Potassium Phosphate Monobasic CAS#7778-77-0

Stable physical and chemical properties: High purity and mild performance, stable at room temperature without decomposition and deterioration.


Excellent solubility: Fast water solubility with clear solution, suitable for various proportioning.


Superior buffering capacity: Effectively stabilizes system pH for formulation deployment.


Standard storage & operation: Store sealed and dry, operate with dust protection, avoid mixing with strong oxidants.


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Product Description

Product Description of Potassium Phosphate Monobasic CAS#7778-77-0

Potassium Phosphate Monobasic is a high-quality inorganic phosphate raw material. It appears as white crystalline powder or colorless crystals with no odor and salty taste. It is easily soluble in water and the aqueous solution is weakly acidic, while insoluble in ethanol. With stable physical and chemical properties, high purity and few impurities, it is a widely used fine chemical and agricultural basic raw material.


Product Application of Potassium Phosphate Monobasic CAS#7778-77-0

Potassium Phosphate Monobasic is mainly used as pH buffer, nutritional supplement, food additive, feed additive and industrial auxiliary agent. It is widely applied in agriculture as an efficient phosphorus-potassium compound fertilizer to promote crop growth, in food industry for pH adjustment and taste improvement, and in feed industry to supplement essential nutrients. It is also used in chemical buffer solution preparation, pharmaceutical excipients, water treatment and electronic industry.

Product Information

Parameters


Melting point

252.6 °C (lit.)

Boiling point

> 450 °C

bulk density

1200kg/m3

density

2.338 g/mL at 25 °C (lit.)

vapor pressure

0Pa at 25℃

refractive index

1.4864

storage temp.

Store at +5°C to +30°C.

solubility

H2O: 1.5 M at 20 °C, clear, colorless

form

powder

color

White transparent

Specific Gravity

2.338

Odor

Odorless

PH

4.2-4.6 (20g/l, H2O, 20℃)

pka

(1) 2.15, (2) 6.82, (3) 12.38 (at 25℃)

biological source

rabbit

Water Solubility

222 g/L (20 ºC)

Sensitive

Hygroscopic

λmax

λ: 260 nm Amax: 0.046


λ: 280 nm Amax: 0.040

Decomposition

253 °C

Merck

147,659

Specific Activity

25-33nmol/min·mg

Stability:

Hygroscopic

Cosmetics Ingredients Functions

BUFFERING

InChI

1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1

InChIKey

GNSKLFRGEWLPPA-UHFFFAOYSA-M

SMILES

[K+].OP(O)([O-])=O

CAS DataBase Reference

7778-77-0(CAS DataBase Reference)

EPA Substance Registry System

Monopotassium phosphate (7778-77-0)

Absorption

≤0.01 at 260nm


≤0.01 at 280nm


Safety Information


Hazard Codes


WGK Germany

WGK 1

RTECS

TC6615500

TSCA

TSCA listed

HS Code

2835240000

Storage Class

11 - Combustible Solids

Hazardous Substances Data

7778-77-0(Hazardous Substances Data)

Toxicity

LD50 skin in rabbit: > 4640mg/kg


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