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Name: Potassium Phosphate Monobasic CAS#7778-77-0
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Potassium Phosphate Monobasic CAS#7778-77-0

Basic Information

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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