Bases & alkalis

SODIUM HYDROXIDE PELLETS AR

Confirming to BP, USP "Store at 15–25°C" Caustic soda

Article code: 05900
CAS: 1310-73-2
Grade: AR
Purity: 98%
Category: Bases & alkalis

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Properties

Article No.: 05900
Grade: AR
Purity: 98%
CAS No.: 1310-73-2
Molecular Formula: NaOH
Molecular Weight: 40.00
H.S. Code: 2815.1190
Shelf Life: 60 Months
Supply conditions: EUC Required

Product information

Article No.	05900	Grade	AR
Purity	98%	CAS No.	1310-73-2
Molecular Formula	NaOH	Molecular Weight	40.00
H.S. Code	2815.1190	Shelf Life	60 Months

Physical Properties

Physical state at 20 °C	Solid	Colour	White pellets
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 deliquescent pellets or pearls	Assay (acidimetric)	98 - 100.5%
Identity (acc. to pharmacopoeias)	Passes test	Appearance of solution	Passes test
Insoluble matter in water	Max 0.025%	Sodium carbonate (Na2CO3)	Max 1.0%
Chloride (Cl)	Max 0.005%	Sulphate (SO4)	Max 0.003%
Phosphate (PO4)	Max 0.001%	Silicate (SiO2)	Max 0.001%
Total nitrogen (N)	Max 0.0003%	Heavy metal (as Pb)	Max 0.002%
Iron (Fe)	Max 0.001%	Nickel (Ni)	Max 0.001%
Calcium (Ca)	Max 0.005%	Potassium (K)	Max 0.05%
Magnesium (Mg)	Max 0.002%	Mercury (Hg)	Max 0.00001%

Packaging options

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

Details

SODIUM HYDROXIDE PELLETS AR Confirming to BP, USP "Store at 15–25°C" Caustic soda EUC Required MSDS DE EN FR KO PT ES TH TR COAs Packings 500 g (00500) 5000 g (05000) 25 Kg (0025K) 50 Kg (0050K) Print friendly version Article No. 05900 Grade AR Purity 98% CAS No. 1310-73-2 Molecular Formula NaOH Molecular Weight 40.00 H.S. Code 2815.1190 Shelf Life 60 Months Physical Properties Physical state at 20 °C Solid Colour White pellets 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 deliquescent pellets or pearls Assay (acidimetric) 98 - 100.5% Identity (acc. to pharmacopoeias) Passes test Appearance of solution Passes test Insoluble matter in water Max 0.025% Sodium carbonate (Na2CO3) Max 1.0% Chloride (Cl) Max 0.005% Sulphate (SO4) Max 0.003% Phosphate (PO4) Max 0.001% Silicate (SiO2) Max 0.001% Total nitrogen (N) Max 0.0003% Heavy metal (as Pb) Max 0.002% Iron (Fe) Max 0.001% Nickel (Ni) Max 0.001% Calcium (Ca) Max 0.005% Potassium (K) Max 0.05% Magnesium (Mg) Max 0.002% Mercury (Hg) Max 0.00001% 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 PELLETS