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A6647012

Potassium phosphate monobasic pH standard , PH value (25 ° C): 6.864 , 7778-77-0

Synonym(s):
Potassium dihydrogen phosphate;Monopotassium phosphate;Potassium phosphate monobasic;p65;PSK

CAS NO.:7778-77-0

Empirical Formula: H2KO4P

Molecular Weight: 136.086

MDL number: MFCD00011401

EINECS: 231-913-4

Pack Size Price Stock Quantity
10G RMB479.20 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: 252.6 °C (lit.)
Boiling point: > 450 °C
Density  2.338 g/mL at 25 °C (lit.)
vapor pressure  0Pa at 25℃
storage temp.  Store at +5°C to +30°C.
solubility  H2O: 1.5 M at 20 °C, clear, colorless
form  powder
Specific Gravity 2.338
color  White transparent
PH 4.2-4.6 (20g/l, H2O, 20℃)
pka (1) 2.15, (2) 6.82, (3) 12.38 (at 25℃)
Odor Odorless
Water Solubility  222 g/L (20 ºC)
λmax λ: 260 nm Amax: 0.046
λ: 280 nm Amax: 0.040
Sensitive  Hygroscopic
Decomposition  253 °C
Merck  14,7659
Stability: Hygroscopic
InChIKey GNSKLFRGEWLPPA-UHFFFAOYSA-M

Description and Uses

potassium phosphate is a humectant and pH adjuster used in cosmetic formulations. Potassium phosphate is an inorganic salt.

Safety

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H313-H315-H319
Precautionary statements  P264-P280a-P305+P351+P338-P321-P332+P313-P337+P313
Hazard Codes 
HS Code  2835240000
Toxicity LD50 skin in rabbit: > 4640mg/kg

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