Sodium Fluoride Extra pure - Prayon

Sodium Fluoride Extra pure
PRODUCT SPECIFICATION DATA SHEET
Meets the requirements of the European pharmacopoeia and the USP 23
Description
Synonym Sodium fluoride
Chemical formula NaF
Molecular weight 41.99
International
codification
Product characteristics
CAS N°: 7681-49-4 EINECS N°: 231-667-8
CUS N°: 23 262 Customs duty n°: 2826 19 10
Edition n° 01-07
Date: February 2007
Page 1 / 2
Transport: Class 6.1 – UN 1690 – MFAG Table Nr 750 – EMS 6.1-04 – Packing Group III
Appearance White, free flowing, crystalline powder
Chemical properties Unit Specification Typical analysis Method
NaF % 99,4 min 99,8 PLC 01 - Titrimetry
Na2SiF6 % 0,2 max < 0,01 PLC 17 - Titrimetry
Alkalinity (% NaOH) % 0,1 max < 0,01 PLC17 - Titrimetry
Insoluble substances % 0,5 max < 0,1 PLC 03 - Gravimetry
Loss on drying % 0,1 max < 0,1 PLC 13 - Gravimetry
Cl ppm 100 max 50 PLC 04 - Titrimetry
SO4 ppm 200 max < 100 PICP 03 – ICP*
Fe ppm 50 max 10 PICP 03 - ICP*
Heavy Metals (as Pb) ppm 30 max < 10 PLC 08 - FCC Test
Pb ppm 1 max < 1 PICP 03 - ICP*
As ppm 0,5 max 0,1 PICP 04 - ICP*
*ICP : Inductively Coupled Plasma
Physical properties Unit Specification Method
Solubility in water (@ 20°C) g/100 ml 3,5 Theoretical value
Specific gravity (@ 18°C) kg/dm³ 2,726 Theoretical value
Bulk density – loose kg/m³ 1350 Indicative value
Bulk density - tapped kg/m³ 1600 Indicative value
Melting point °C 980 Theoretical value
Boiling point °C 1705 Theoretical value
Particle size distribution (D50) µm 60 –140 PLC 09 – size analysis
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Sodium Fluoride Extra pure
Storage Keep in a cool, dry and well-ventilated place.
Standard packagings
ISO 9001:2000
OHSAS 18001:1999
ISO 14001 (2004)
Big bags 1000 kg
Plastic bags 25 kg in plastic drums on pallets, shrink-wrapped
Shelf life Maximum 4 years from production date
Main applications
- Fluoridation of potable water
- Flux in the manufacture of rimmed steel
- Pickling of stainless steel
- Manufacture of vitreous enamels
- Ingredient in wood preservatives
- Treatment of soil liming
- Ingredient in toothpaste
- Electroextraction and electro refining of aluminium
- …
Place of production: Puurs (Belgium)
Safety: see MSDS
KOSHER
Pareve Passover
Edition n° 01-07
Date: February 2007
Page 2 / 2
Typical analysis are given for information only. They are not binding and may vary from time to time. Our services have used their best endeavours to
ensure the conformity of the Product to the specifications. This should not prevent the user from carrying out any checks that he deems useful. We invite
the user to verify, in every case, local legislation related to the use of the product. Our deliveries are governed by our general sales conditions.
In order to achieve ongoing production improvements, we reserve the right to modify, with advance notice, the characteristics of our products. We
recommend that you check regularly to ensure that this version is still current. In case of any dispute, the reference document will be the one kept by
Prayon. No animal derived materials are used during manufacturing. Our products meet Halal requirements.