Sodium hydroxide 97.0-100.5%, pellets Ph. Eur., NF, BP, JP
Supplier: VWR Chemicals
Ratings:
(No Reviews)
Total Ratings: 0
Avg. Ratings: 0.0 out of 5
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Danger
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Synonyms:
Caustic soda
28248.367EA
311
GBP
28248.367
28248.460
28248.298
Sodium hydroxide 97.0-100.5%, pellets Ph. Eur., NF, BP, JP
Sodium hydroxide
Appearance: White or almost white, crystalline masses, supplied as pellets, sticks or slabs, deliquescent, readily absorbing carbon dioxide.
Caution: Not for use as Active Pharmaceutical Ingredient (API)
Formula:
NaOH MW: 40 g/mol Boiling Pt: 1390 °C (1013 hPa) Melting Pt: 323 °C Density: 2.13 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number:
MFCD00003548 CAS Number: 1310-73-2 EINECS: 215-185-5 UN: 1823 ADR: 8,II REACH: 01-2119457892-27 Merck Index: 14,08627 |
Specification Test Results
Appearance | Conforms (see CoA/CoS) |
Heavy metals (as Pb) | Max. 20 ppm |
Residual solvents | Passes test |
As (Arsenic) | Max. 1 ppm |
Cd (Cadmium) | Max. 1 ppm |
Co (Cobalt) | Max. 1 ppm |
Hg (Mercury) | Max. 1 ppm |
Ni (Nickel) | Max. 1 ppm |
Pb (Lead) | Max. 5 ppm |
V (Vanadium) | Max. 1 ppm |
Conforms to Ph.Eur./NF/BP/JP | Passes test |
Ph.Eur./BP specifications: | |
Assay (calculated as NaOH) [Ph.Eur./BP] | 97.0 --> 100.5 % |
Identification A [Ph.Eur./BP] | Min. 11.0 |
Identification B | Passes test Ph.Eur./BP |
Appearance of solution | Passes test Ph.Eur./BP |
CO3 (as Na2CO3) [Ph.Eur./BP] | Max. 2.0 % |
Cl (Chloride) [Ph.Eur./BP] | Max. 200 ppm |
SO4 (Sulphate) [Ph.Eur./BP] | Max. 200 ppm |
Fe (Iron) [Ph.Eur./BP] | Max. 10 ppm |
NF specifications: | |
Assay (total alkali) [NF] | 95.0 --> 100.5 % |
Sodium carbonate [NF] | Max. 3.0 % |
Content of sodium [NF] | 54.0 --> 59.8 % |
Identification A | Passes test NF |
Identification B | Passes test NF |
K (Potassium) [NF] | Max. 0.5 % |
Insoluble substances and organic matter | Passes test NF |
JP specifications: | |
Assay (calculated as NaOH) [JP] | Min. 95.0 % |
Identification 1 | Passes test JP |
Identification 2 | Passes test JP |
Clarity and colour of solution | Passes test JP |
Cl (Chloride) [JP] | Max. 0.050 % |
K (Potassium) | Passes test JP |
Sodium carbonate [JP] | Max. 2.0 % |
Hg (Mercury) | Passes test JP |
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