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Sodium hydroxide

Catalog No. 71687 Name Sigma Aldrich
CAS Number 1310-73-2 Website http://www.sigmaaldrich.com
M. F. NaO Telephone 1-800-521-8956
M. W. 38.98917 Fax
Purity ≥98.0% (T) Email
Storage Chembase ID: 103898

SYNONYMS

Title
氢氧化钠
IUPAC name
sodium oxidanide
IUPAC Traditional name
sodium oxidanide
Synonyms
‘Caustic soda’
苛性钠

DATABASE IDS

MDL Number MFCD00003548
PubChem SID 24886249
EC Number 215-185-5
CAS Number 1310-73-2

PROPERTIES

Antion Traces chloride (Cl-): ≤10 mg/kg
Antion Traces phosphate (PO43-): ≤5 mg/kg
Antion Traces sulfate (SO42-): ≤5 mg/kg
Cation Traces Ag: ≤5 mg/kg
Cation Traces Al: ≤5 mg/kg
Cation Traces As: ≤0.1 mg/kg
Cation Traces Ba: ≤5 mg/kg
Cation Traces Bi: ≤5 mg/kg
Cation Traces Ca: ≤10 mg/kg
Cation Traces Cd: ≤5 mg/kg
Cation Traces Co: ≤5 mg/kg
Cation Traces Cr: ≤5 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤5 mg/kg
Cation Traces Hg: ≤0.1 mg/kg
Cation Traces K: ≤200 mg/kg
Cation Traces Li: ≤5 mg/kg
Cation Traces Mg: ≤5 mg/kg
Cation Traces Mn: ≤5 mg/kg
Cation Traces Mo: ≤5 mg/kg
Cation Traces Ni: ≤5 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Sr: ≤5 mg/kg
Cation Traces Zn: ≤5 mg/kg
Grade for luminescence
Impurities insoluble matter, passes filter test
Impurities ≤0.0003% total nitrogen (N)
Impurities ≤0.0005% silicon dioxide (SiO2)
Impurities ≤1.0% sodium carbonate (Na2CO3)
λ 1 M in H2O
Linear Formula NaOH
Product Line BioUltra
Purity ≥98.0% (T)
Suitability in accordance for luminescence
Absorption Wavelength λ: 260 nm Amax: 0.015
Absorption Wavelength λ: 280 nm Amax: 0.01
Apperance pellets
Melting Point 318 °C(lit.)
Solubility H2O: soluble1 M at 20 °C, clear, colorless
Vapor Density >1 (vs air)
Vapor Pressure <18 mmHg ( 20 °C)
Vapor Pressure 3 mmHg ( 37 °C)
GHS Pictograms GHS05
GHS Signal Word Danger
GHS Hazard statements H314
European Hazard Symbols Corrosive Corrosive (C)
MSDS Link Download
Personal Protective Equipment Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
GHS Precautionary statements P280-P305 + P351 + P338-P310
RID/ADR UN 1823 8/PG 2
Risk Statements 35
RTECS WB4900000
Safety Statements 26-37/39-45
Hazard Class 8
UN Number 1823
Packing Group 2
German water hazard class 1

DETAILS

REFERENCES