structure of 7778-77-0

Potassium Dihydrogen Phosphate(CAS 7778-77-0)

CAS No.: 7778-77-0 Brand: MolBest
M. Ft.: KH2PO4 Cat. No: G5408640
M. Wt.: 136.09 MDL: MFCD00011401
Storage: Store in a cool,dry area. Use: For laboratory research use only
HS CODE: 3105600000
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Applications of 7778-77-0

Potassium dihydrogen phosphate has diverse applications across various fields:

  • Agriculture: Used as a fertilizer due to its high phosphorus (P) and potassium (K) content. It provides essential nutrients for plant growth.
  • Food Industry: Acts as a food additive for buffering and stabilizing pH levels in processed foods.
  • Pharmaceuticals: Utilized as a buffering agent in intravenous solutions and medications.
  • Optical

Physical and chemical properties of 7778-77-0

Acidity coefficient

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

Boiling Point

158ºC at 760 mmHg

Decomposition

253 °C

Density

2.34 g/cm³

Exact Mass

135.932770

Index of Refraction

Index of refraction: 1.5093, 1.4682, both at 589 nm

Melting Point

253 °C

Merck

14,7659

Molecular Formula

H2KO4P

Molecular Weight

136.08

Odor

Odorless

pH

pH = 4.4 to 4.7

PSA

90.40000

Sensitivity

Hygroscopic

Solubility

Solubility in water, g/100ml: 22

Stability

Hygroscopic

Storage condition

Store at RT.

Vapour Pressure

0Pa at 25℃

Water Solubility

H2O: 1.5 M at 20 °C, clear, colorless | 222 g/L (20 ºC)

λmax

λ: 260 nm Amax: 0.046
λ: 280 nm Amax: 0.040

Q&A for CAS 7778-77-0

1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.

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Download SDS of 7778-77-0

Pictograms

Signal Word

Warning

Hazard Statements

H302 Harmful if swallowed
H315 Causes skin irritation
H319 Causes serious eye irritation
H335 May cause respiratory irritation

Safety Data Sheet

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Operate under the ISO 9001 system