Bases & alkalis

SODIUM HYDROXIDE FLAKES Extra Pure

"Store at 15–25°C" Caustic soda

Article code: 05897
CAS: 1310-73-2
Grade: Extra Pure
Purity: 97%
Category: Bases & alkalis

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Properties

Article No.: 05897
Grade: Extra Pure
Purity: 97%
CAS No.: 1310-73-2
Molecular Formula: NaOH
Molecular Weight: 40.00
H.S. Code: 2815.1110
Shelf Life: 60 Months
Supply conditions: EUC Required

Product information

Article No.	05897	Grade	Extra Pure
Purity	97%	CAS No.	1310-73-2
Molecular Formula	NaOH	Molecular Weight	40.00
H.S. Code	2815.1110	Shelf Life	60 Months

Physical Properties

Physical state at 20 °C	Solid	Colour	White Flakes
Odour	Odorless	pH value	13 - 14
Melting point/ Freezing point [°C]	318 °C	Boiling point [°C]	1390°C
Vapour pressure [20°C]	< 24 hPa at 20 °C	Vapour density	>1
Density [g/cm3]	2.13	Solubility in water [% weight]	111 g/100 g of water

Specifications

Appearance	White flakes	Assay	Min. 97.0%
Insoluble matter in water	Max. 0.05%	Carbonate (as Na2CO3)	Max. 2.0%
Chloride (Cl)	Max. 0.05%	Sulphate (SO4)	Max. 0.05%
Heavy metal (as Pb)	Max. 0.005%	Arsenic (As)	Max. 0.0003%
Iron (Fe)	Max. 0.005%

Packaging options

500 g (00500)
1000 g (01000)
5000 g (05000)
25 Kg (0025K)
50 Kg (0050K)

Details

SODIUM HYDROXIDE FLAKES Extra Pure "Store at 15–25°C" Caustic soda EUC Required MSDS DE EN FR KO PT ES TH TR COAs Packings 500 g (00500) 1000 g (01000) 5000 g (05000) 25 Kg (0025K) 50 Kg (0050K) Print friendly version Article No. 05897 Grade Extra Pure Purity 97% CAS No. 1310-73-2 Molecular Formula NaOH Molecular Weight 40.00 H.S. Code 2815.1110 Shelf Life 60 Months Physical Properties Physical state at 20 °C Solid Colour White Flakes Odour Odorless pH value 13 - 14 Melting point/ Freezing point [°C] 318 °C Boiling point [°C] 1390°C Vapour pressure [20°C] Vapour density >1 Density [g/cm3] 2.13 Solubility in water [% weight] 111 g/100 g of water Specifications Appearance White flakes Assay Min. 97.0% Insoluble matter in water Max. 0.05% Carbonate (as Na2CO3) Max. 2.0% Chloride (Cl) Max. 0.05% Sulphate (SO4) Max. 0.05% Heavy metal (as Pb) Max. 0.005% Arsenic (As) Max. 0.0003% Iron (Fe) Max. 0.005% Safety Information and Hazard Symbols Symbol: GHS05 Signal Word: Danger UN No.: 1823 IMCO Class No.: 8 Packing Group: II Hazardous Statement: H290-H314 Precaution Statement: P234-P280-P303+P361+P353-P305+P351+P338 Revision Date: 23-Sep-2026 Home Lab Chemicals Inorganic Bases SODIUM HYDROXIDE FLAKES