900503
Sodium carbonate
anhydrous, powder or granules, free-flowing, Redi-Dri™, ACS reagent, ≥99.5%
Synonym(s):
Calcined soda, Carbonic acid disodium salt, Soda ash
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About This Item
Quality Level
grade
ACS reagent, anhydrous
agency
suitable for EPA 300
product line
Redi-Dri™
assay
≥99.5%
form
powder or granules
quality
free-flowing
impurities
≤0.005% silica, ≤0.01% insolubles
loss
≤1.0% loss on heating, 285°C
pH
12 (25 °C, 106 g/L)
mp
851 °C (lit.)
anion traces
chloride (Cl-): ≤0.001%, phosphate (PO43-): ≤0.001%, sulfur compounds (as SO42-): ≤0.003%
cation traces
Ca: ≤0.03%, Fe: ≤5 ppm, K: ≤0.005%, Mg: ≤0.005%, heavy metals: ≤5 ppm (by ICP-OES)
SMILES string
O=C(O[Na])O[Na]
InChI
1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
InChI key
CDBYLPFSWZWCQE-UHFFFAOYSA-L
Biochem/physiol Actions
Legal Information
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Warning
hcodes
Hazard Classifications
Eye Irrit. 2
Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Listings
Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.
Substances Subject to be Indicated Names
ishl_indicated
Substances Subject to be Notified Names
ishl_notified
900503-500G:4.548173391595E12
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Articles
Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.
Related Content
This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.