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Name Ammonium dihydrogen phosphate
CAS 7722-76-1
EINECS(EC#) 231-764-5
Molecular Formula H6NO4P
MDL Number MFCD00003396
Molecular Weight 115.03
MOL File 7722-76-1.mol

Chemical Properties

Appearance Ammonium phosphate is a white crystalline or powdery substance.
Melting point  190 °C (dec.) (lit.)
Boiling point  87.4 °C
density  1.02 g/mL at 20 °C
vapor pressure  0.066 hPa (125 °C)
RTECS  TC6587000
storage temp.  2-8°C
solubility  H2O: 0.1 M at 20 °C, clear, colorless
form  Solid
color  White or colorless
Specific Gravity 1.803
PH 3.8-4.4 (25℃, 50mg/mL in H2O)
PH Range 3.8 - 4.4
Water Solubility  368 g/L (20 ºC)
λmax λ: 260 nm Amax: ≤0.059
λ: 280 nm Amax: ≤0.050
Merck  14,543
Ammonium dihydrogen phosphate is a general purpose food additive which is readily soluble in water. A 1% solution has a ph of 4.3–5.0. It is used as a dough strengthener and leavening agent in baked goods and as a firming agent and ph control agent in condiments and puddings. It is also used in baking powder with sodium bicarbonate and as a yeast food.
CAS DataBase Reference 7722-76-1(CAS DataBase Reference)
EPA Substance Registry System 7722-76-1(EPA Substance)

Safety Data

Hazard Codes  Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S24/25:Avoid contact with skin and eyes .
S36:Wear suitable protective clothing .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
WGK Germany  1
HazardClass  8
PackingGroup  III
HS Code  31054000
Hazardous Substances Data 7722-76-1(Hazardous Substances Data)

Hazard Information

Material Safety Data Sheet(MSDS)

Questions And Answer