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127-09-3

Name Sodium acetate
CAS 127-09-3
EINECS(EC#) 204-823-8
Molecular Formula C2H3NaO2
MDL Number MFCD00012459
Molecular Weight 82.03
MOL File 127-09-3.mol

Chemical Properties

Appearance White powder
Melting point  >300 °C (dec.)(lit.)
density  1.01 g/mL at 20 °C
FEMA  3024
refractive index  1.4640
Fp  >250 °C
storage temp.  2-8°C
solubility  H2O: 3 M at 20 °C, clear, colorless
form  powder
pka 4.756[at 20 ℃]
color  white
Specific Gravity 1.45
Odor Slight acetic acid
PH 8.9 (25℃, 100mg/mL in water, 0.1 M agueous sodium acetate solution)
PH Range 8.5 - 9.9 at 246 g/l at 25 °C
Stability: Stable. Incompatible with strong oxidizing agents, halogens. Moisture sensitive.
Odor Type odorless
Water Solubility  500 g/L (20 ºC)
Hydrolytic Sensitivity 0: forms stable aqueous solutions
Sensitive  Hygroscopic
λmax λ: 260 nm Amax: 0.03
λ: 280 nm Amax: 0.02
Merck  14,8571
Boiling point  >400°C(decomposition)
BRN  3595639
InChIKey VMHLLURERBWHNL-UHFFFAOYSA-M
LogP -3.72
Uses
This colorless crystal, also known as sodium ethanoate or acetate of soda, was made by the reaction of acetic acid with sodium carbonate. It is soluble in water but less so in alcohol. Sodium acetate was used as a pH modifier for toning baths.
CAS DataBase Reference 127-09-3(CAS DataBase Reference)
NIST Chemistry Reference Sodium ethanoate(127-09-3)
EPA Substance Registry System 127-09-3(EPA Substance)

Safety Data

Safety Statements 
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
WGK Germany  1
RTECS  AJ4300010
3
Autoignition Temperature 607 °C
TSCA  Yes
HS Code  29152200
Safety Profile
Poison by intravenous route. Moderately toxic by ingestion. A skin and eye irritant. Migrates to food from packagmg materials. Violent reaction with F2, m03, diketene. When heated to decomposition it emits toxic fumes of Na2O.
Hazardous Substances Data 127-09-3(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 3530 mg/kg LD50 dermal Rabbit > 10000 mg/kg

Hazard Information

Material Safety Data Sheet(MSDS)

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