Sodium Phosphate, Dibasic CAS NO.7558-79-4

Product Name:    Sodium Phosphate, Dibasic
Synonyms:    SODIUM PHOSPHATE, DIBASIC ANHYDROUS, TECHNICAL;SODIUM PHOSPHATE, DIBASIC BIO-REFINED;Sodiumhydrogenphosphate,99+%(ACS);buffer solution from di-sodium hydrogen phosphate;sodium hydrogen phosphate, anhydrous, acs;sodium phosphate dibasic solution;DIBASICSODIUMPHOSPHATE,DRIED,USP;SODIUMPHOSPHATE,DIBASIC,ANHYDROUS,BIOTECHGRADE
CAS:    7558-79-4
MF:    HNa2O4P
MW:    141.96
EINECS:    231-448-7
Product Categories:    NULL;metal phosphate compound;Inorganics;Chemistry;Food Additives
Mol File:    7558-79-4.mol

Melting point     243-245 °C
density     1.064 g/mL at 20 °C
vapor density     4.9 (vs air)
FEMA     2398 | DISODIUM PHOSPHATE
storage temp.     Store at +5°C to +30°C.
solubility     H2O: 0.5 M at 20 °C, clear, colorless
form     powder
color     White
PH    8.9-9.2 (25℃, 50g/L in water)
pka    (1) 2.15, (2) 6.82, (3) 12.38 (at 25℃)
Water Solubility     >=10 g/100 mL at 20 ºC
λmax    λ: 260 nm Amax: 0.019
λ: 280 nm Amax: 0.016
Sensitive     Hygroscopic
Merck     14,8659
Stability:    Stable. Incompatible with strong acids. Hygroscopic.
InChIKey    BNIILDVGGAEEIG-UHFFFAOYSA-L
CAS DataBase Reference    7558-79-4(CAS DataBase Reference)
EPA Substance Registry System    Disodium phosphate (7558-79-4)
Safety Information
Hazard Codes     Xi
Risk Statements     36/37/38
Safety Statements     26-36-24/25
RIDADR     UN 3077 9 / PGIII
WGK Germany     3
RTECS     WC4500000
F     3
TSCA     Yes
HS Code     28352200
Hazardous Substances Data    7558-79-4(Hazardous Substances Data)
Toxicity    LD50 orally in Rabbit: > 2000 mg/kg