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10049-21-5

Name PHOSPHATE BUFFER
CAS 10049-21-5
EINECS(EC#) 231-449-2
Molecular Formula H4NaO5P
MDL Number MFCD00081857
Molecular Weight 137.992
MOL File 10049-21-5.mol

Chemical Properties

Appearance white semi-transparent crystals or crystalline
Melting point  100°C -H₂O
Boiling point  399 °C
density  2,04 g/cm3
storage temp.  Store at +5°C to +30°C.
solubility  H2O: 1 M, clear, colorless
form  Solid
color  White semi-transparentor
Odor Odorless
PH 4.1-4.5 (25℃, 50mg/mL in H2O)
PH Range 4.1 - 4.5 at 50 g/l at 25 °C
Water Solubility  Soluble in water; insoluble in ethanol, ether and chloroform.
Sensitive  Hygroscopic
λmax λ: 260 nm Amax: ≤0.03
λ: 280 nm Amax: ≤0.02
Merck  14,8660
InChIKey BBMHARZCALWXSL-UHFFFAOYSA-M
LogP -2.148 (est)
Uses
Excipient.
CAS DataBase Reference 10049-21-5(CAS DataBase Reference)
EPA Substance Registry System 10049-21-5(EPA Substance)

Safety Data

Hazard Codes  Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
R36:Irritating to the eyes.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S36:Wear suitable protective clothing .
S39:Wear eye/face protection .
WGK Germany  1
RTECS  WA1900000
3
TSCA  Yes
HS Code  28352200
Toxicity
LD50 orally in Rabbit: > 2000 mg/kg LD50 dermal Rabbit > 7940 mg/kg

Hazard Information

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