Home Categories Inorganic chemistry Sodium dihydngen phoshate anhydrous
A7294112

Sodium dihydngen phoshate anhydrous , Chromatography, ≥99.0%(t) , 7558-80-7

Synonym(s):
Monosodium dihydrogen orthophosphate;Monosodium phosphate;Sodium biphosphate;Sodium dihydrogen phosphate;Sodium dihydrogen phosphate anhydrous

CAS NO.:7558-80-7

Empirical Formula: H3O4P.Na

Molecular Weight: 119.977

MDL number: MFCD00003527

EINECS: 231-449-2

Pack Size Price Stock Quantity
10g RMB88.80 In Stock
50G RMB296.00 In Stock
250G RMB985.60 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: <0°C
Boiling point: 100°C
Density  1.40 g/mL at 20 °C
vapor pressure  0Pa at 20℃
storage temp.  room temp
solubility  H2O: 5 M, clear, colorless
form  powder
color  White
PH 4.0 - 4.5 (25℃, 50g/L in water)
pka (1) 2.15, (2) 6.82, (3) 12.38 (at 25℃)
Odor at 100.00?%. odorless
Water Solubility  Soluble in water. Insoluble in alcohol,ether and chloroform.
Sensitive  Hygroscopic
λmax λ: 260 nm Amax: ≤0.025
λ: 280 nm Amax: ≤0.02
Merck  14,8660
BRN  3903772
Stability: Stable. Incompatible with heavy metals, strong acids.
InChIKey AJPJDKMHJJGVTQ-UHFFFAOYSA-M
LogP -2.148 (est)

Description and Uses

Sodium phosphate monobasic monohydrate is used as sequestrant, emulsifier, mordant in dyeing, reagent and buffer in foods and analytical chemistry. It was applied as a fireproofing agent and for weighting silk in tanning. It is employed in manufacturing of enamels, ceramics, detergents, boiler compounds, in soldering and brazing instead of borax.

Safety

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P280a-P304+P340-P305+P351+P338-P405-P501a
Hazard Codes  Xi
Risk Statements  36/37/38-36
Safety Statements  26-36-39
WGK Germany  1
RTECS  WA1900000
3
TSCA  Yes
HS Code  28352200
Toxicity LD50 orally in Rabbit: 8290 mg/kg LD50 dermal Rabbit > 7940 mg/kg

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